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gl860a usb 2.0 uvc camera controller datasheet revision 1.00 may 09, 2007 genesys logic, inc.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 2 copyright: copyright ? 2007 genesys logic incorporated. all rights reserv ed. no part of the materials may be reproduced in any form or by any means without prio r written consent of genesys logic, inc. disclaimer: all materials are provided ?as is? without express or implied warranty of any kind. no license or right is granted under any pat ent or trademark of genesys logic inc.. genesys logic hereby disclaims all warranties and conditions in regard to materials, including all wa rranties, implied or express, of merchantability, fitness for any partic ular purpose, and non-infringement of intellectual property. in no e vent shall genesys logic be liable for any damages including, without limita tion, damages resulting from loss of information or profits. please be adv ised that the materials may contain errors or ommisions. genesys logic may make changes to the materials or to the products described therein at a ny time without notice. trademarks: is a registered trademark of genesys logic, inc. all trademarks are the properties of their respect ive owners. office: genesys logic, inc. 12f, no. 205, sec. 3, beishin rd., shindian city, taipei, taiwan tel: (886-2) 8913-1888 fax: (886-2) 6629-6168 http://www.genesyslogic.com
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 3 revision history revision date description 0.9 21/12/2006 first draft release 0.91 01/03/2007 update register 1.00 09/05/2007 add 46pin package information
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 4 table of contents chapter 1 general description ................................ ................... 7 chapter 2 features ........................................... ................................... 8 chapter 3 pin assignment..................................... ............................ 9 3.1 p inout ................................................... ................................................... . 9 3.2 p in l ist ................................................... ................................................. 11 3.3 p in d escriptions ................................................... ................................ 12 chapter 4 registers ............................... ........................................... 14 4.1 r egisters b ase a ddress ................................................... ................... 14 4.2 r egisters d escriptions ................................................... ................... 17 4.2.1 global control register part................. ........................................ 17 4.2.2 usb register part ............................ ............................................... 20 4.2.3 sensor register part ......................... .............................................. 27 chapter 5 functional description .................. ....................... 34 5.1 f unction b lock ................................................... ................................. 34 5.2 o peration m ode ................................................... ................................ 35 5.2.1 with flash memory ............................ ............................................. 35 5.2.2 without flash memory ......................... .......................................... 35 chapter 6 electrical characteristics.............. ................. 36 6.1 m aximum r atings ................................................... .............................. 36 6.2 dc c haracteristics ................................................... ......................... 36 chapter 7 package dimension....................... .............................. 37 chapter 8 ordering information .................... ........................ 40 appendix a. application circuit.................... ............................... 41
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 5 list of figures f igure 3.1 - 48 p in lqfn/lqfp p inout d iagram ................................................... .... 9 f igure 3.2 - 46 p in lqfn p inout d iagram ................................................... .............. 10 f igure 5.1 - b lock d iagram ................................................... ...................................... 34 f igure 7.1 - gl860a 48 p in lqfp p ackage ................................................... ............. 37 f igure 7.2 - gl860a 48 p in lqfn p ackage ................................................... ............ 38 f igure 7.3 - gl860a 46 p in lqfn p ackage ................................................... ............ 39
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 6 list of tables t able 3.1 - 48-p in lqfp/lqfn p in l ist ................................................... ................... 11 t able 3.2 - 46-p in lqfn p in l ist ................................................... ............................... 12 t able 3.3 - 48-p in lqfp/lqfn p in d escriptions ................................................... .. 12 t able 3.4 - 46-p in lqfn p in d escriptions ................................................... .............. 13 t able 4.1 - b ase a ddress for r egisters ................................................... ................. 14 t able 6.1 - m aximum r atings ................................................... ................................... 36 t able 6.2 - dc c haracteristics e xcept usb s ignals ............................................ 36 t able 8.1 - o rdering i nformation ................................................... .......................... 40
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 7 chapter 1 general description the gl860a is a high performance usb 2.0 video clas s compliant controller for pc camera and nb camera application. with the genesys logic?s highly recognized self-developed usb high-speed transceiv er, gl860a provides up to 30 fps at vga or capture stil l images at 2 mega pixels for fulfilling the mass bandwidth demand of video transferring. gl860a also support usb isochronous mode to provide certain bandwidth to insure user can get satisfied usage ex perience on video application even running high ban dwidth consumption devices concurrently. the gl860a, compliant with video class 1.1 in usb d evice class (uvc), can be worked with microsoft native driver. it makes you use usb pc camera as yo u use an usb flash disk. additionally, the gl860a provides an alternative proprietary driver to meet better image performance requirement. the gl860a integrates a highly flexible sensor inte rface to make it easily adopted with variety sensor s in which include most popular ccd sensor module and cm os sensors. the gl860a?s low power consumption, low operation temperature characteristic also make it easy to implement a high quality pc camera witho ut worry about the noise signals of sensors to affect by high performance usb controller.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 8 chapter 2 features usb specification compliance - complies with 480mbps universal serial bus specific ation rev. 2.0. - complies with 12mbps universal serial bus specifica tion rev. 2.0. - support usb 2.0 isochronous video pipe to 24mb/s. sensor interface - programmable interface for popular general ccd modu le/cmos sensor non-process video streaming (usb high-speed connect ion) support 4 usb endpoints - endpoint 0: control pipe. - endpoint 1: isochronous/bulk data in (configurable) . - endpoint 2: interrupt out. - endpoint 3: interrupt in. embedded 8052 micro-controller - operate @ 15 mhz clock. - 8k rom. support usb remote wakeup.. 3.3v/1.8v operation. 3.3v to 1.8v regulator is built-in. capability to support on-line download program available in 100-pin qfp and 48-pin lqfp package. pass whql (windows hardware quality lab) pass usb-if (usb implementers forum) test application nb cam, pc cam, umpc, game console support os xp, vista, mce, xp64, win2k usb video class v1.1 compliant - the sensor, uvc, property control setting stored in external eeprom (24cxxx). (<= 8k bytes) - support alternative proprietary driver to enhance i mage performance. - non-uvc mode (non-eeprom), worked with proprietary driver support yuv/rgb/i420 format video stream up to 12 fps in uxga, 15 fps in sxga, 30 fps in vga - uvc class mode (external eeprom), worked with os na tive driver support uvc uncompressed yuy2 format video stream up to 6 fps in uxga, 9 fps in sxga, 30 fps in vga - still image captured up to uxga
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 9 chapter 3 pin assignment 3.1 pinout figure 3.1 - 48 pin lqfn/lqfp pinout diagram
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 10 figure 3.2 - 46 pin lqfn pinout diagram
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 11 3.2 pin list three type packages: case 1 48 pin 8 bit sensor interface 12 gpio pins lqfp/lqfn package case 2 46 pin 8 bit sensor interface 12 gpio pins lqfn package table 3.1 - 48-pin lqfp/lqfn pin list pin# pin name type pin# pin name type pin# pin name type pin# pin name type 1 dvdd p 13 hrst_ i 25 dvdd p 37 vdd p 2 cms_dat6 i 14 gpio13 i/o 26 x1 i 38 dgnd p 3 cms_dat7 i 15 gpio14 i/o 27 x2 i/o 39 dvdd p 4 cms_dat8 i 16 vdd p 28 dgnd p 40 vdd p 5 cms_dat9 i 17 dgnd p 29 gpio4 i/o 41 dgnd p 6 gpio0 i/o 18 agnd p 30 gpio5 i/o 42 cms_dat2 i 7 gpio1 i/o 19 avdd p 31 gpio6 i/o 43 cms_dat3 i 8 gpio2 i/o 20 dm i/o 32 gpio7 i/o 44 cms_dat4 i 9 gpio3 i/o 21 dp i/o 33 gpio8 i/o 45 cms_dat5 i 10 cms_dat1 i/o 22 agnd p 34 gpio9 i/o 46 vsync i/o 11 dgnd p 23 rref a 35 cms_clk i/o 47 hsync i/o 12 vdd p 24 avdd p 36 test i 48 dgnd p
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 12 table 3.2 - 46-pin lqfn pin list pin# pin name type pin# pin name type pin# pin name type pin# pin name type 1 dvdd p 13 hrst_ i 25 dvdd p 37 vdd p 2 cms_dat6 i 14 gpio13 i/o 26 x1 i 38 dgnd p 3 cms_dat7 i 15 gpio14 i/o 27 x2 i/o 39 dvdd p 4 cms_dat8 i 16 vdd p 28 dgnd p 40 vdd p 5 cms_dat9 i 17 dgnd p 29 gpio4 i/o 41 cms_dat2 i 6 gpio0 i/o 18 agnd p 30 gpio5 i/o 42 cms_dat3 i 7 gpio1 i/o 19 avdd p 31 gpio6 i/o 43 cms_dat4 i 8 gpio2 i/o 20 dm i/o 32 gpio7 i/o 44 cms_dat5 i 9 gpio3 i/o 21 dp i/o 33 gpio8 i/o 45 vsync i/o 10 cms_dat1 i/o 22 agnd p 34 gpio9 i/o 46 hsync i/o 11 dgnd p 23 rref a 35 cms_clk i/o 12 vdd p 24 avdd p 36 test i 3.3 pin descriptions table 3.3 - 48-pin lqfp/lqfn pin descriptions pin name pin# type description vdd 12,16,37,40 p 1.8v power for crystal cms_dat1~9 10,42~45,2~5 i sensor data bit 1~9 gpio0~9,13,14 6~9,29~34, 14,15 i/o (pd) gpio pins bit 0~9,13,14 gnd 11,17,18,22 28,38,41,48 p ground dvdd 1,25,39 p 3.3v core power hrst 13 i (pu) hardware reset, low active avdd 19,24 p 3.3v analog power dm 20 i/o usb d- dp 21 i/o usb d rref 23 a reference r x1 26 i 12m crystal in x2 27 i/o 12m crystal out cms_clk 35 i/o sensor clock test 36 i (pd) test mode vsync 46 i/o sensor vsync
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 13 hsync 47 i/o sensor hsync nc 10 - no connection table 3.4 - 46-pin lqfn pin descriptions pin name pin# type description vdd 12,16,37,40 p 1.8v power for crystal cms_dat1~9 10,41~44,2~5 i sensor data bit 1~9 gpio0~9,13,14 6~9,29~34, 14,15 i/o (pd) gpio pins bit 0~9,13,14 gnd 11,17,18,22, 28,38 p ground dvdd 1,25,39 p 3.3v core power hrst 13 i (pu) hardware reset, low active avdd33 19,24 p 3.3v analog power dm 20 i/o usb d- dp 21 i/o usb d+ rref 23 a reference r x1 26 i 12m crystal in x2 27 i/o 12m crystal out cms_clk 35 i/o sensor clock test 36 i (pd) test mode vsync 45 i/o sensor vsync hsync 46 i/o sensor hsync nc 10 - no connection notation: type o output i input b bi-directional b/i bi-directional, default input b/o bi-directional, default output p power / ground a analog pu internal pull up pd internal pull down odpu open drain with internal pull up
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 14 chapter 4 registers 4.1 registers base address table 4.1 - base address for registers mnemonic offset description default gp1_dat 00h gpio[7:0] data -- gp1_intpol 01h interrupt polarity for gpio[7:0] 8?h00 gp1_inten 02h interrupt enable for gpio[7:0] 8?hff gp1_int 03h interrupt indication for gpio[7:0] 8?h0 0 romflg 04h reserved for internal use. 8?hff gp1_oe 06h output enable for gpio[7:0] 8?h00 gp2_dat 07h gpio[14:8] data -- gp2_intpol 08h interrupt polarity for gpio[14:8] 8?h00 gp2_inten 09h interrupt enable for gpio[14:8] 8?hff gp2_inten 0ah interrupt indication for gpio[14:8] 8?h00 gp2_oe 0dh output enable for gpio[14:8] 8?h00 gctl 0eh global control register 8?hfc int_mask 0fh interrupt mask for each sub-module 8?h 00 clkctl 10h sensor clock control 8?h80 cpurst 11h cpu reset register 8?h00 devctl 40h usb device control 8?h04 uevt1 41h usb interrupt flag #1 8?h00 uevt2 42h usb interrupt flag #2 8?h00 uevt1en 43h usb interrupt #1 enable 8?h00 uevt2en 44h usb interrupt #2 enable 8?h00 utmctl 45h utmi control 8?h0c utmdatl 46h utmi data low byte -- utmdath 47h utmi data high byte -- devadr 48h usb device address 8?h00 misc 49h miscellaneous register 8?h10 epctl1 4ah endpoint control 1 8?h00 epctl2 4bh endpoint control 2 8?h00 epctl3 4ch endpoint control 3 8?h00 ep0ctl 4dh endpoint 0 control 8?h40 rx0cnt 4eh endpoint 0 receive length 8?h00 ff0buf 4fh endpoint 0 fifo data 8?h00 ff1buf 50h endpoint 1 fifo data 8?h00
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 15 ff2buf 51h endpoint 2 fifo data 8?h00 ff3buf 52h endpoint 3 fifo data 8?h00 ep12ctl1 53h endpoint1,2 control 1 8?h00 ep12ctl2 54h endpoint1,2 control 2 8?h00 ep12ctl3 55h endpoint1,2 control 3 8?h00 ep3ctl 56h endpoint3 control 8?h00 rx2cnt 57h endpoint 2 receive length 8?h00 waken 5fh wakeup source enable 8?h00 headctl1 60h head function control 1 8?h00 headctl2 61h head function control 2 8?h00 head0 62h head 0 data 8?h00 head1 63h head 1 data 8?h00 sen_ctl c0h sensor control 8?h00 mck_samp c1h master clock selection / select of sampling phase 8 ?h03 clkrg_ clkfg c2h falling/rising edge for mclk 8?h00 hv_cc c3h clock counter for hsync/vsync output 8?h00 rhnl c4h pixel number for rising edge of hsync output 8?h00 rhnh_ fhnh c5h pixel number for rising/falling of hsync output 8?h 00 fhnl c6h pixel number for falling edge of hsync output 8?h00 rvpnl c7h pixel number for rising edge of vsync output 8?h00 rvpnh_ rvlnh c8h pixel number for rising/falling of vsync output 8?h 00 rvlnl c9h pixel number for falling edge of vsync output 8?h00 fvpnl cah line number for rising edge of vsync output 8?h00 fvpnh_ fvlnh cbh line number for rising/falling of vsync output 8?h0 0 fvlnl cch line number for falling edge of vsync output 8?h00 mpnl cdh maximum pixel number 8?h00 mpnh_ mlnh ceh maximum pixel/line number 8?h00 mlnl cfh maximum line number 8?h00 salnl d0h start line number of active window 8?h00 salnh_ ealnh d1h start/end line number of active window 8?h00 ealnl d2h end line number of active window 8?h00 sapnl d3h start pixel number of active window 8?h00 sapnh_ eapnh d4h start/end pixel number of active window 8?h00 eapnl d5h end pixel number of active window 8?h00 senint d6h sensor interrupt 8?h00
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 16 senint_en d7h sensor interrupt enable 8?h00 sub_samp d8h sub-sampling mode 8?h00 notation: r/w read / write r/o read only w/o write only r/w1c read / write ?1? to clear r/w/c read / write and hardware automatic clear
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 17 4.2 registers descriptions 4.2.1 global control register part offset 00h ? gp1_dat gpio7 gpio6 gpio5 gpio4 gpio3 gpio2 gpio1 gpio0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 gpio[7:0] gpio7~0 data. 0 gpio7~0o write. 1 gpio7~0i read. offset 01h ? gp1_intpol ??????????????? ..????? default value = 8?h00 gpio7 gpio6 gpio5 gpio4 gpio3 gpio2 gpio1 gpio0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 gpio[7:0] gpio7~0 interrupt polarity. 0 h2l 1 l2h offset 02h ? gp1_inten ???????????? ??? ..????? default value = 8?hff gpio7 gpio6 gpio5 gpio4 gpio3 gpio2 gpio1 gpio0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 gpio[7:0] 0 unmask int 1 mask int offset 03h ? gp1_int ?????????????????????? default value = 8?h00 gpio7 gpio6 gpio5 gpio4 gpio3 gpio2 gpio1 gpio0 w1c w1c w1c w1c w1c w1c w1c w1c 7-0 gpio[7:0] gpio7~0 interrupt indication. offset 04h ? romflg ?? ..??????????????????? default value = 8?hff romflg7 romflg6 romflg5 romflg4 romflg3 romflg2 romflg1 romflg0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 romflg[7:0] reserved for internal use.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 18 offset 06h ? gp1_oe ?? ..?.????????????? ..????? default value = 8?h00 gpio7 gpio6 gpio5 gpio4 gpio3 gpio2 gpio1 gpio0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 gpio[7:0] gpio7~0 control. 0 input 1 output offset 07h ? gp2_dat -- gpio14 gpio13 gpio12 gpio11 gpio10 gpio9 gpio8 -- r/w r/w r/w r/w r/w r/w r/w 7 reserved - 6-0 gpio[14:8] gpio14~8 data. 0 gpio14~8o write. 1 gpio14~8i read. offset 08h ? gp2_intpol ??????????????? ..????? default value = 8?h00 -- gpio14 gpio13 eapn11 sapn11 gpio10 gpio9 gpio8 -- r/w r/w r/w r/w r/w r/w r/w 7 reserved - 6-5 gpio[14:13] gpio14~13 interrupt polarity. 0 h2l 1 l2h 4 eapn11 pixel number of end active window 3 sapn11 pixel number of start active window 2-0 gpio[10:8] gpio10~8 interrupt polarity. 0 h2l 1 l2h offset 09h ? gp2_inten ??????????????? ..??? ?? default value = 8?hff -- gpio14 gpio13 gpio12 gpio11 gpio10 gpio9 gpio8 -- r/w r/w r/w r/w r/w r/w r/w 7 reserved - 6-0 gpio[14:8] 0 unmask int 1 mask int offset 0ah ? gp2_int ?????????????????????? default value = 8?h00 -- gpio14 gpio13 gpio12 gpio11 gpio10 gpio9 gpio8 -- w1c w1c w1c w1c w1c w1c w1c
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 19 7 reserved - 6-0 gpio[14:8] gpio14~8 interrupt indication. offset 0dh ? gp2_oe ?? ..?.????????????? ..????? default value = 8?h00 -- gpio14 gpio13 gpio12 gpio11 gpio10 gpio9 gpio8 -- r/w r/w r/w r/w r/w r/w r/w 7 reserved - 6-0 gpio[14:8] gpio14~8 control. 0 input 1 output offset 0eh ? gctl ?????????????????? ..????? default value = 8?hfc -- -- -- -- -- sen_en -- sen_clken -- -- -- -- -- r/w -- r/w 7-3 reserved - 2 sen_en register enable to sensor interface. 0 default/reset state 1 enable 1 reserved - 0 sen_clken 0 stop clock to sensor interface 1 enable clock to sensor interface offset 0fh ? int_mask ???????????????? ..????? default value = 8?h00 -- -- -- -- -- pie_intm ask -- sen_intm ask -- -- -- -- -- r/w -- r/w 7-3 reserved - 2 pie_intmask 0 mask of sie_int 1 unmask of sie_int 1 reserved - 0 sen_intmask 0 mask of sen_int 1 unmask of sen_int offset 10h ? clkctl ?????????????????? ..???? default value = 8?h80 -- -- sen_clkc tl4 sen_clkc tl3 sen_clkc tl2 sen_clkc tl1 sen_clkc tl0 -- -- r/w r/w r/w r/w r/w 7-6 reserved - 4 sen_clkctl4 operating clock of sensor interface is 48m
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 20 3 sen_clkctl3 operating clock of sensor interface is 7.5m 2 sen_clkctl2 operating clock of sensor interface is 15m 1 sen_clkctl1 operating clock of sensor interface is 30m 0 sen_clkctl0 operating clock of sensor interface is 60m offset 11h ? cpurst ?????? ..??????????? ..???? default value = 8?h00 -- -- -- -- -- -- -- cpu2sen_ rst -- -- -- -- -- -- -- r/w 7-1 reserved - 0 cpu2sen_rst 0 unreset 1 reset sen_top 4.2.2 usb register part offset 40h ? devctl1 ???????????????? ..????? default value = 8?h04 hs_suspd chirp_den tstpken tstpkrst -- disglusb dis_sus pwrdn r/w/c r/w r/w/c w/o -- r/w r/w r/w/c 7 hs_suspd high speed suspend this bit can be set/cleared by uc. when chip is in high speed mode and suspends event is detected, uc can set hs_sus and pwrdn bits to enter suspend mode. this bit will be cleared automatically when end of resume signaling (k to se0) is detected. 6 chirp_den set this bit will enable hs-kjkjkj chirp detection . after correct hs chirp sequence is detected, chirp_det bit in usbevt1 will be set. 5 tstpken enable endpoint 1 data packet transmission without receiving in token. this bit is cleared by hardware when tstpktx interr upt is set. 4 tstpkrst reset read pointer of tx fifo0. note: write pointer & fifo data keep unchanged . 3 reserved - 2 disglusb when this bit is set to ?1?, d+ pin will be left f loating so that no connect will be detected on the host side. 1 dis_sus disable suspend detection 0 pwrdn ` power down mode if usb suspend is detected, firmware can set pwrdn to put the controller into power down mode. power down mode stops oscillator a nd freezes at known states, and no more command can be executed. hardwa re will automatically clear pwrdn upon hardware reset or interrupted even t. offset 41h ? uevt1 ?????????????????? ..????? default value = 8?h00 sof chirp_det urst wakeup resume suspd ep0tx ep0rx r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 21 7 sof sof token packet received event 6 chirp_det chirp sequence ?k-j-k-j-k-j? detected. 5 srst usb reset (se0 for 3ms) is detected. after receiving this event, uc should begin the hs detection handshake. 4 wakeup remote-wakeup event is detected during suspend sta te 3 resume usb resume detected 2 suspd usb suspend detected 1 ep0tx endpoint 0 transmits a data packet completely. 0 ep0rx endpoint 0 receives a data packet. offset 42h ? uevt2 ?????????????????? ..????? default value = 8?h00 setup tstpktx ep2nak ep1nak ep0nak ep3tx ep2rx ep1tx r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c r/w1c 7 setup device received a setup packet. 6 tstpktx test packet is sent complete. 5-3 epnnak endpoint receiving or transmitting nak flag. (n=2~0 ) 2 ep3tx endpoint 3 transmission done event 1 ep2rx endpoint 2 receive done event. 0 ep1tx endpoint 1 transmission done event. offset 43h ? uevt1en ?????????????? ?? ..????? default value = 8?h00 sofen chirpden ursten wkupen rsmen susen ep0txen ep0rxen r/w r/w r/w r/w r/w r/w r/w r/w 7-0 these are the interrupt enable bits for usb event i nterrupt #1 to uc. (mask bits of usbevt1) offset 44h ? uevt2en ???????????????? ..????? default value = 8?h00 setupen tstpktxen ep2naken ep1naken ep0naken ep3txen ep2rxen ep1txen r/w r/w r/w r/w r/w r/w r/w r/w 7-0 these are the interrupt enable bits for usb event i nterrupt #2 to uc. (mask bits of usbevt1) offset 45h ? utmctl ???????????????? ..????? default value = 8?h0c vmi vpi opmod1 opmod0 fspeed hsterm txvldh/ rxvldh txvld/ rxactv r/o r/o r/w r/w r/w r/w r/w r/w write to generate hs chirp, set to 8?b0010_0111. to generate fs remote-wake-up, set to 8?b001 0_1111. read rxactv/rxvldh will reflect the real-time status of the utm interface.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 22 offset 46h ? utmdatl utmd7 utmd6 utmd5 utmd4 utmd3 utmd2 utmd1 utmd0 r/w r/w r/w r/w r/w r/w r/w r/w offset 47h ? utmdath utmd15 utmd14 utmd13 utmd12 utmd11 utmd10 utmd9 utmd8 r/w r/w r/w r/w r/w r/w r/w r/w utmdatl/utmdath are used to set/read data to/from utm interface. write set the output data on utm interface. to issue chirp or remote-wake-up, these 2 re gisters should set to 4?h0000. read reflect the real-time status of the utm data bus. offset 48h ? devadr ??? ..????????????? ..????? default value = 8?h00 -- devadr6 devadr5 devadr4 devadr3 devadr2 devadr1 devadr0 -- r/w r/w r/w r/w r/w r/w r/w 7 reserved - 6-0 this register is used to store usb device address. offset 49h ? misc ?? .???????????????? ..????? default value = 8?h00 suspd addr default power -- -- sf sus_dis r/o r/o r/o r/o -- -- r/w r/w 7 suspd device is in the suspend state. 6 addr device is in the address state. 5 default device is in the default state. 4 power device is in the powered state. 3-2 reserved - 1 sf short frame mode, using in suspend detection. 0 normal mode, needs 3ms bus idle to enter suspend mode 1 short frame mode, needs only 200us to enter susp end mode 0 sus_dis disable suspend detection. offset 4ah ? epctl1 ?? .???????????????? ..???? default value = 8?h00 ep1isoen disnyet tatoden ep0test bulk_rst ep3en ep2en ep1en r/w r/w r/w r/w r/w r/w r/w r/w 7 ep1isoen 0 endpoint 1 is bulk in mode. 1 endpoint 1 is iso in mode. 6 disnyet disable usb nyet response, instead of ack respons e. 5 tatoden turn around time out detect enable. 4 ep0test 0 normal mode, endpoint 0 doesn?t response to bu lk in/out packet.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 23 1 test mode, endpoint 0 can response all pack et. 3 bulk_rst ep1 bulk mode initial reset 2-0 epnen endpoint 1, 2, 3 tx/rx enable. (n=3~1) after device is configured, eptx1en, eptx2en,e p3txen, eprx1en, eprx2en,ep3rxen write 1 to decide endpoint 1,2,3 in or out. before endpoint is enabled, it won?t response to any usb t ransaction. offset 4bh ? epctl2 ?? .???????????????? ..???? default value = 8?h00 -- ep3tgrst ep2tgrst ep1tgrst -- ep3stl ep2stl ep1stl -- w/o w/o w/o -- r/w r/w r/w 7 reserved - 6-4 epntgrst endpoint toggle reset. (n=3~1) 3 reserved - 2-0 epnstl endpoint stall. (n=3~1) offset 4ch ? epctl3 ?? .???????????????? ..???? default value = 8?h00 ep3tog ep2tog ep1tog tx3ffpop ff3rst rx0ffpsh tx0ffpop ff0rst r/o r/o r/o r/w r/w r/w r/w r/w 7-5 epntog toggle indication of data packet. (n=3~1) 4 tx3ffpop uc pop endpoint 3 txfifo enable. 3 ff3rst reset endpoint 3 fifo read/write pointer. data in f ifo remain unchanged. 2 rx0ffpsh uc push endpoint 0 rxfifo enable 1 tx0ffpop uc pop endpoint 0 txfifo enable. 0 ff0rst reset endpoint 0 txfifo read/write pointer. data in fifo remain unchanged. offset 4dh ? epctl3 ?? .???????????????? ..???? default value = 8?h00 rx0dis rxsetup rxout rxseq ep0rxstl ep0txstl tx0oe tx0seq r/w r/o r/o r/w r/w r/w r/w/c r/w 7 rx0dis disable receiving capability on endpoint 0 upon successfully receiving a data packet on endpoin t 0, hardware will automatically set this bit to ?1?. at this time, no more out data on endpoint 0 can be accepted, hardware will respond with nak. note, for setup tra nsaction, hardware will always accept and respond with ack. 0 endp0 fifo is available for data receiving. 1 endp0 fifo is not available 6 rxsetup endpoint 0 received token is setup. 5 rxout endpoint 0 received token is out. 4 rxseq endpoint 0 received data toggle. 0 the received data is data0 1 the received data is data1 3 ep0rxstl endpoint 0 receiving stall. endpoint 0 will respond with a stall to a valid out transaction. this bit will
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 24 be cleared by setup transaction automatically. 2 ep0txstl endpoint 0 transmitting stall. endpoint 0 will respond with a stall to a valid in transaction. this bit will be cleared by setup transaction automatically. 1 tx0oe ready to transmit control data. 0 tx0seq endpoint 0 transmission data toggle. 0 tx data0 1 tx data1 offset 4eh ? rx0cnt ?????????????????? ..???? default value = 8?h00 ctlrd rx0cnt6 rx0cnt5 rx0cnt4 rx0cnt3 rx0cnt2 rx0cnt1 rx0cnt0 r/w r/o r/o r/o r/o r/o r/o r/o 7 ctlrd control pipe(endpoint 0) control to prevent respons e of bulk packet. 0 host send out packet right after setup package. (has a in packet status) 1 host send in packet right after setup package. ( has a out packet status) 6-0 rx0cnt[6:0] the received data length of endpoint 0. offset 4fh ? ff0buf ?????????????????? ..???? default value = 8?h00 ff0dat7 ff0dat6 ff0dat5 ff0dat4 ff0dat3 ff0dat2 ff0dat1 ff0dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 ff0dat[7:0] data entry for endpoint 0 fifo. writing this register will push data into endpoint 0 txfifo, and reading will pop data from endpoint 0 rxfifo. offset 50h ? ff1buf ?????????????????? ..???? default value = 8?h00 ff1dat7 ff1dat6 ff1dat5 ff1dat4 ff1dat3 ff1dat2 ff1dat1 ff1dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 ff1dat[7:0] data entry for endpoint 1 fifo. writing this register will push data into endpoint 1 txfifo, and reading will pop data from endpoint 1 rxfifo. offset 51h ? ff2buf ?????????????????? ..???? default value = 8?h00 ff2dat7 ff2dat6 ff2dat5 ff2dat4 ff2dat3 ff2dat2 ff2dat1 ff2dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 ff2dat[7:0] data entry for endpoint 2 fifo. writing this register will push data into endpoint 2 txfifo, and reading will pop data from endpoint 2 rxfifo.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 25 offset 52h ? ff3buf ??????????????? ??? ..???? default value = 8?h00 ff3dat7 ff3dat6 ff3dat5 ff3dat4 ff3dat3 ff3dat2 ff3dat1 ff3dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 ff3dat[7:0] data entry for endpoint 3 fifo. writing this register will push data into endpoint 3 txfifo, and reading will pop data from endpoint 3 rxfifo. offset 53h ? ep12ctl1 ????????????????? ..???? default value = 8?h00 -- -- -- -- -- txasel2 txasel1 txasel0 -- -- -- -- -- r/w r/w r/w 7-3 reserved - 2-0 txasel[2:0] 001 txaffsel1 set 1 010 txaffsel2 set 1 011 txaffsel3 set 1 100 txaffsel4 set 1 101 txaffsel5 set 1 110 txaffsel0 set 1 in normal operation, bulk fifo is pushed/popped b y dtv/sen engine or usb sie engine. but use the register, we can push/pop bulk fifo by uc. uc accessing iso/bulk in fifo: set txffpsh=1, and use txaffsel to select data a fi fo, or use txbffsel to select data b fifo. then write data to ff1buf to begin pushing fifo. to pop data from fifo, just set txffpsh = 0, set tx bffsel or txaffsel to select data a/data b fifo, and read data from ff1buf to begin p opping fifo. after pop/push is complete, uc must clear all fifo select and control setting on ffctl. offset 54h ? ep12ctl2 ?? .???????????????? ..??? default value = 8?h00 -- -- dtxen txfmod txffrst rxffrst txffpsh rxffpsh -- -- r/w r/w r/w r/w r/w r/w 7-6 reserved - 5 dtxen firmware set endp1 tx mode. 4 txfmod firmware test ep1 fifo, read/write byte mode. 3 txffrst reset txfifo, cleared by hardware itself. 2 rxffrst reset rxfifo, cleared by hardware itself. 1 txffpsh push indication for tx fifo 0 rxffpsh push indication for rx fifo offset 55h ? ep12ctl2 ?? .???????????????? ..??? default value = 8?h00 ank1_en -- -- -- -- anakep2 ep2nak ep1nak r/w -- -- -- -- r/w r/w r/w 7 ank1_en force nak of endpoint 1.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 26 6-3 reserved - 2 anakep2 automatic nak of endpoint 2, after receiving a data packet. (bit fnakep2 would be set to 1, after receiving a d ata packet.). 1 ep2nal force nak of endpoint 2. 0 ep1nak force nak of endpoint 1. offset 56h ? ep3ctl ??? ..???????????????? ..??? default value = 8?h00 txoe3 tx3cnt6 tx3cnt5 tx3cnt4 tx3cnt3 tx3cnt2 tx3cnt1 tx3cnt0 r/w/c r/o r/o r/o r/o r/o r/o r/o 7 txoe3 ready to transmit endpoint 3 data 6-0 tx3cnt[6:0] the transmit data length of endpoint 3 offset 57h ? rx2cnt ?? ..???????????????? ..??? default value = 8?h00 rx2dis rx2cnt6 rx2cnt5 rx2cnt4 rx2cnt3 rx2cnt2 rx2cnt1 rx2cnt0 r/w r/o r/o r/o r/o r/o r/o r/o 7 rx2dis disable receiving capability on endpoint 2 upon successfully receiving a data packet on endpoi nt 2, hardware will automatically set this bit to ?1?. at this time, no more out data on endpoint 2 can be accepted, hardware will respond with nak. 0 endp2 fifo is available for data receiving. 1 endp2 fifo is not available 6-0 rx2cnt[6:0] the received data length of endpoint 2 offset 5fh ? waken ?? ...???????????????? ..??? default value = 8?h00 -- ramdis3 ramdis2 ramdis1 -- gp4en gp3en gp2en -- r/w r/w r/w -- r/w r/w r/w enable falling edge event on corresponding pins as remote wakeup source. 7 reserved - 6 ramdis3 endp3 ram disable. 5 ramdis2 endp2 ram disable. 4 ramdis1 endp1 ram disable. 3 reserved - 2 gp4en falling edge event on gpio4 wakeup enable. 1 gp3en falling edge event on gpio3 wakeup enable. 0 gp2en falling edge event on gpio2 wakeup enable offset 60h ? headctl1 ?? ...??????????????? ..??? default value = 8?h00 -- -- -- -- -- -- fram_en head_en -- -- -- -- -- -- r/w r/w
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 27 7-2 reserved - 1 fram_en set 1 to enable, header function.. 0 head_en set 1 to add header for each frame, set 0 to add he ader for each sof. offset 61h ? headctl2 ?? ...??????????????? ..??? default value = 8?h00 -- -- -- -- headcnt0 headcnt0 headcnt0 headcnt0 -- -- -- -- r/w r/w r/w r/w 7-4 reserved - 3-0 headcnt[3:0] select header byte count from 0~8. offset 62h ? head0 ???????????????????? ..??? default value = 8?h00 h0dat7 h0dat6 h0dat5 h0dat4 h0dat3 h0dat2 h0dat1 h0dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 h0dat[7:0] head data 0. offset 63h ? head1 ???????????????????? ..??? default value = 8?h00 h1dat7 h1dat6 h1dat5 h1dat4 h1dat3 h1dat2 h1dat1 h1dat0 r/w r/w r/w r/w r/w r/w r/w r/w 7-0 h1dat[7:0] head data 1. 4.2.3 sensor register part offset c0h ? senctl ??????????????? ..?? ..???? default value = 8?h00 inctst edgesel clkoe vsatv hsatv hvoe -- bitmode r/w r/w r/w r/w r/w r/w -- r/w 7 inctst 0 no incremental data on cmsdat[9:0] 1 incremental data on cmsdat[9:0] for debugging 6 edgesel rising/falling edge of pix_clk selection 0 the same with the pix_clk 1 inverse with the pix_clk 5 clkoe mas_clk output selection 0 input clock (pix_clk) 1 output clock (mas_clk) 4 vsatv select of timing to reset internal line count when vs ync is coming from sensor. 0 falling edge 1 rising edge 3 hsatv select of timing to reset internal pixel count when hsync is coming from sensor. 0 falling edge 1 rising edge 2 hvoe hsync/vsync output enable
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 28 0 output 1 input 1 reserved - 0 bitmode pixel data bit number. 0 8bit pixel date 1 10bit pixel date (in this mode, 10 bit data will be transferred to usb by continuous two byte. the first byte is msb 8 bit, and the next byte is lsb2 bit and 6?b0.) offset c1h ? mck_samp ??????????????? ...????? default value = 8?h03 samp4 samp3 samp2 samp1 samp0 mck2 mck1 mck0 r/w r/w r/w r/w r/w r/w r/w r/w 7-3 samp[4:0] sampling phase of data bus. 2-0 mck[2:0] selection of master clock to sensor (mclk) 000 mclk is 60mhz 001 mclk is 30mhz 010 mclk is 20mhz 011 mclk is 15mhz 100 mclk is 12mhz 101 mclk is 10mhz 110 mclk is 8.57mhz 111 mclk is 7.5mhz address 0x10 0xc1 clock data 0x01 0x00 60mhz 0x01 30 0x02 20 0x03 15 0x04 12 0x05 10 0x06 8.57 0x07 7.5 address 0x10 0xc1 clock data 0x02 0x00 30mhz 0x01 15 0x02 10 0x03 7.5 0x04 6 0x05 5
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 29 0x06 4.2857 0x07 3.75 address 0x10 0xc1 clock data 0x04 0x00 15mhz 0x01 7.5 0x02 5 0x03 3.75 0x04 3 0x05 2.5 0x06 2.1429 0x07 1.875 address 0x10 0xc1 clock data 0x08 0x00 7.5mhz 0x01 3.75 0x02 2.5 0x03 1.875 0x04 1.5 0x05 1.25 0x06 1.0714 0x07 0.9375 address 0x10 0xc1 clock data 0x10 0x00 48mhz 0x01 24 0x02 16 0x03 12 0x04 9.6 0x05 8 0x06 6.8571 0x07 6
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 30 offset c2h ? clkrg_clk ?????????????? ..????? default value = 8?h00 -- -- clkfg2 clkfg1 clkfg0 clkrg2 clkrg1 clkrg0 -- -- r/w r/w r/w r/w r/w r/w 5-3 clkfg[2:0] falling edge of mclk. 2-0 clkrg[2:0] rising edge of mclk. offset c3h ? hv_cc ????????????????? ..????? default value = 8?h00 -- -- vcc2 vcc1 vcc0 hcc2 hcc1 hcc0 -- -- r/w r/w r/w r/w r/w r/w 5-3 vcc[2:0] phase of output vsync. 2-0 hcc[2:0] phase of output hsync. offset c4h ? rhnl ????? .?.????????????? ..??? default value = 8?h00 rhn7 rhn6 rhn5 rhn4 rhn3 rhn2 rhn1 rhn0 r/w r/w r/w r/w r/w r/w r/w r/w offset c5h ? rhnh_fhnh ??? .????????????? ..??? default value = 8?h00 -- -- fhn10 fhn9 fhn8 rhn10 rhn9 rhn8 -- -- r/w r/w r/w r/w r/w r/w rhn[10:0] pixel number of the rising edge of hsync offset c6h ? fhnl ??? .??????????? ..????? ..??? default value = 8?h00 fhn7 fhn6 fhn5 fhn4 fhn3 fhn2 fhn1 fhn0 r/w r/w r/w r/w r/w r/w r/w r/w fhn[10:0] pixel number of falling edge of hsync offset c7h ? rvpnl ????? .?.????????????? ..??? default value = 8?h00 rvpn7 rvpn6 rvpn5 rvpn4 rvpn3 rvpn2 rvpn1 rvpn0 r/w r/w r/w r/w r/w r/w r/w r/w
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 31 offset c8h ? rvpnh_rvi ??? .????????????? ..??? default value = 8?h00 -- -- rvln10 rvln9 rvln8 rvpn10 rvpn9 rvpn8 -- -- r/w r/w r/w r/w r/w r/w rvpn[10:0] number of the rising pixel number offset c9h ? rvlnl ??? .?..???? ????? ..????? ..??? default value = 8?h00 rvln7 rvln6 rvln5 rvln4 rvln3 rvln2 rvln1 rvln0 r/w r/w r/w r/w r/w r/w r/w r/w rvln[10:0] line number for rising edge of vsync line number offset cah ? fvpnl ????? .?.????????????? ..??? default value = 8?h00 fvpn7 fvpn6 fvpn5 fvpn4 fvpn3 fvpn2 fvpn1 fvpn0 r/w r/w r/w r/w r/w r/w r/w r/w offset cbh ? fvpnh_fvlnh ?? .????????????? ..??? default value = 8?h00 -- -- fvln10 fvln9 fvln8 fvpn10 fvpn9 fvpn8 -- -- r/w r/w r/w r/w r/w r/w fvpn[10:0] pixel number for falling edge of vsync offset cch ? fvlnl ??? .?..????????? ..????? ..??? default value = 8?h00 fvln7 fvln6 fvln5 fvln4 fvln3 fvln2 fvln1 fvln0 r/w r/w r/w r/w r/w r/w r/w r/w fvln[7:0] line number for falling edge of vsync offset cdh ? mpnl ????? .?.????????????? ..??? default value = 8?h00 mpn7 mpn6 mpn5 mpn4 mpn3 mpn2 mpn1 mpn0 r/w r/w r/w r/w r/w r/w r/w r/w offset ceh ? mpnh_mlnh ?? .?????? ..??????? ..??? default value = 8?h00 -- -- mln10 mln9 mln8 mpn10 mpn9 mpn8 -- -- r/w r/w r/w r/w r/w r/w mpn[10:0] pixel number for maximum window mln[10:0] line number for maximum window
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 32 offset cfh ? mlnl ?? .?.?..????????? ..????? ..??? default value = 8?h00 mln7 mln6 mln5 mln4 mln3 mln2 mln1 mln0 r/w r/w r/w r/w r/w r/w r/w r/w offset d0h ? salnl ????? .?..????????????? ..??? default value = 8?h00 saln7 saln6 saln5 saln4 saln3 saln2 saln1 saln0 r/w r/w r/w r/w r/w r/w r/w r/w saln[10:0] line number of start active window ealn[10:0] line number of end active window offset d1h ? salnh_ealnh ???????? ..??????? ..??? default value = 8?h00 -- -- ealn10 ealn9 ealn8 saln10 saln9 saln8 -- -- r/w r/w r/w r/w r/w r/w offset d2h ? ealnl ?? .?.?..???? ..???? ..????? ..??? default value = 8?h00 ealn7 ealn6 ealn5 ealn4 ealn3 ealn2 ealn1 ealn0 r/w r/w r/w r/w r/w r/w r/w r/w offset d3h ? sapnl ???? ...?..????????????? ..??? default value = 8?h00 sapn7 sapn6 sapn5 sapn4 sapn3 sapn2 sapn1 sapn0 r/w r/w r/w r/w r/w r/w r/w r/w sapn[10:0] pixel number of start active window eapn[10:0] pixel number of end active window offset d4h ? sapnh_eapnh ???????? ..??????? ..??? default value = 8?h00 -- -- eapn10 eapn9 eapn8 sapn10 sapn9 sapn8 -- -- r/w r/w r/w r/w r/w r/w offset d5h ? eapnl ?? .?.?..???? ....???? ..????? ..??? default value = 8?h00 eapn7 eapn6 eapn5 eapn4 eapn3 eapn2 eapn1 eapn0 r/w r/w r/w r/w r/w r/w r/w r/w
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 33 offset d6h ? senint ?.?.?..???? ....???? ..????? ..??? default value = 8?h00 -- -- -- -- -- -- -- eofint -- -- -- -- -- -- -- r/w1c 7-1 reserved - 0 eofint eof (end of frame) indicate eof offset d7h ? senint_en ?.?..???? ....???? ..????? ..??? default value = 8?h00 -- -- -- -- -- -- -- eofint_en -- -- -- -- -- -- -- r/w1c 7-1 reserved - 0 eofint_en 0 disable eofint 1 enable eofint offset d8h ? sub_samp ?? ..???? ....???? ..????? ..??? default value = 8?h00 -- -- psh_mode psh_mode pclk_cnt1 pclk_cnt0 sub_samp4 sub_samp2 -- -- r/w r/w r/w r/w r/w r/w 6-7 reserved - 5 -4 psh_mode[1:0] ?2? sen2ff_psh will separate 2 sen_clk60 ?1? sen2ff_psh will separate 1 sen_clk60 ?0? sen2ff_psh will continue 3-2 pclk_cnt[1:0] 00 incoming sensor data rate is the same as mclk 01 incoming sensor data rate is 1/2 times of mclk 10 incoming sensor data rate is 1/3 times of mclk 11 incoming sensor data rate is 1/4 times of mclk 1 sub_samp4 0 unchanged 1 frame size will reduce to 1/16. pixel number which ar e sampled on horizontal and vertical direction separately reduce to 1/4 tim es. for example, a 640x480 image will be 160x120 if this bit is set. 0 sub_samp2 0 unchanged 1 frame size will reduce to 1/4. pixel number which are sampled on horizontal and vertical direction separately reduce to 1/2 tim es. for example, a 320x240 image will be 160x120 if this bit is set.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 34 chapter 5 functional description 5.1 function block ccd/cmos sensor i/f txfifo pie usb 2.0 phy cpu 8052 figure 5.1 - block diagram ccd module/cmos sensor interface gl860a can link with popular cmos sensor on market for pc camera application. gl860a can be configured by different sensor requirement. if sens or is acting as master, gl860a can accept hsync/vsync from sensor. if gl860a is configured as a master hsync/vsync will be provided by gl860a to sensor. gl860a keep the most flexibili ty to fit most of the sensors. the detail of configuration needs to refer to gl860a application note. for most sensors no matter of yuv format or rgb format, they can be easily transferred image da ta to pc by gl860a. txfifo gl860a build in 6k byte internal buffer for usb hig h bandwidth application. this 6k internal buffer can be used as transmitted buffer of isochronous pi pe or bulk pipe. in usb specification, the highest bandwidth of isochronous pipe is 24m byte/second, t hat can be easily derived to maximum frame rate depending on configuration. for example, frame rate can be easily achieved to 30 frames per second if image size is 640 x 480 if raw data output and sens or clock is 15m. pie pie handles the usb protocol defined in chapter 8 o f usb specification revision 2.0 . it co-works with cpu to play the role of the chip?s kernel. the main functions of pie include the state machine of usb protocol flow, crc check, pid error check, and time out check. unlike usb1.1, bit stuffing/de-stuffing is implemented in utmi, not in pie. usb 2.0 phy (utmi ) utmi handles the low level usb protocol and signali ng. it?s designed based on the intel?s utmi specification 1.01. the major functions of utmi log ic are to handle the data and clock recovery, nrzi encoding/decoding, bit stuffing /de-stuffing, suppo rting usb2.0 test modes, and serial/parallel convers ion. cpu cpu is the micro-processor unit of gl860a. it is an 8-bit 8052 processor with 8k rom and 256 bytes ram. it operates at 15mhz clock to decode the usb c ommand issued from host and then prepares the data to respond to the host. in addition, c can handle gpio (general purpose i/o) settings an d reading content of eeprom to support high flexibili ty for customers of different configurations of chi p. these configurations include self/bus power mode se tting, individual/gang mode setting, downstream port number setting, device removable/non-removable setting, and pid/vid setting.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 35 5.2 operation mode for customized firmware, flash memory can use as ex ternal program memory of cpu. this is for customer to develop their firmware. this is only available for 100-pin package type. 5.2.1 with flash memory only available in 100-pin qfp package force extcpu = 0 gpio9 pull down gpio13/gpio14 used as serial bus to configure senso r 5.2.2 without flash memory if 100 pin, set extcpu = 0 gpio9 pull down gpio13/gpio14 are used as serial bus to configure s ensor
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 36 chapter 6 electrical characteristics 6.1 maximum ratings table 6.1 - maximum ratings symbol parameter min. max. unit v in 3.3v input voltage 3.0 3.6 v t a ambient temperature under bias 0 +100 o c f osc frequency 12 mhz 500ppm 6.2 dc characteristics table 6.2 - dc characteristics except usb signals symbol parameter min. typ. max. unit p d power dissipation - - - ma v dd power supply voltage 3 3.3 3.6 v v il low level input voltage - - 0.9 v v ih high level input voltage 2.0 - - v v tlh low to high threshold voltage 1.36 1.48 1.62 v v thl high to low threshold voltage 1.36 1.48 1.62 v v ol low level output voltage when i ol =8ma - - 0.4 v v oh high level output voltage when i oh =8ma 2.4 - - v i olk leakage current for pads with internal pull up or p ull down resistor - - - a r dn pad internal pull down resister - - - r up pad internal pull up resister - - -
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 37 chapter 7 package dimension figure 7.1 - gl860a 48 pin lqfp package
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 38 internal no. date code lot code green package code no. figure 7.2 - gl860a 48 pin lqfn package
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 39 internal no. date code lot code green package code no. figure 7.3 - gl860a 46 pin lqfn package
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 40 chapter 8 ordering information table 8.1 - ordering information part number package green version status gl860a-mngxx 48-pin lqfp green package xx available GL860A-PNGXX 48-pin lqfn green package xx available gl860a-pmgxx 46-pin lqfn green package xx available
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 41 appendix a. application circuit the schematic below represents a very basic example to the controller and is subject to variations dep ending on application intentions.
gl860a usb 2.0 uvc camera controller ?2007 genesyslogic, inc. - all rights reserved. page 42

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