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au9472 r2 multimedia usb keyboard hub technical reference manual revision 2.1 1998 - 200 3 alcor micro corp. all rights reserved
copyright notice copyright 1998 - 2003 alcor micro corp. all rights reserved. trademark acknow ledgements the company and product names mentioned in this document may be the trademarks or registered trademarks of their manufacturers. disclaimer alcor micro corp. reserves the right to change this product without notice. alcor micro corp. makes no wa rranty for the use of its products and bears no responsibility for any error that appear in this document. specifications are subject to change without notice. contact information: web site: http://www.alcormicro.com/ taiwan alcor micro corp. 4 f - 1 , no 20 0 , kang chien r d., nei hu taipei, taiwan , r.o.c. phone: 886 - 2 - 8751 - 1984 fax: 886 - 2 - 2659 - 7723 san jose office los angeles office 2901 tasman drive, suite 206 9400 seventh st., bldg. a2 santa clara, ca 95054 rancho cucamonga, ca 91730 phone: (408) 8 45 - 9300 phone: (909) 989 - 3600 fax: (408) 845 - 9086 fax: (909) 944 - 0464
table of contents i table of contents 1.0 introduction --------------------------------------------------------------------------------------- 1 1.1 description --------------------------------------- -------------------------------------------- 1 1.2 features --------------------------------------------------------------------------------------- 1 2.0 application block diagram ------------------------------------------------------------------ - 3 3.0 pin assignment --------------------------------------------------------------------------------- - 5 4.0 system architecture and reference design ------------------------------------------- . 9 4.1 au9472 r2 block diagram ------------------------------------ --------------------------- ---- 9 4.2 sample schematics ------------------------------------------------------------------------- 10 4.3 keyboard hub eeprom sample value ---------------------------------------------- --------- 11 4.4 sample key matrix l ayout table ------------------------------------------------------- 16 5.0 electrical characteristics -------------------------------------------------------------------- - 17 5.1 absolute maximum rating ----------------------------------------------------- ---------- 17 5.2 recommended operating conditions -------------------------------------------------- 17 5.3 general dc characteristics -------------------------------------------------------------- 18 5.4 dc electrical characteristic for 5 volts opera tion ----------------------------------- 18 5.5 dc electrical characteristic for 3.3 volts operation -------------------------------- 19 5.6 crystal oscillator circuit setup for characteristics -------------------------------- 19 5.7 usb transceiver cha racteristics -------------------------------------------------------- 20 5.8 esd test results ---------------------------------------------------------------------------- 24 5.9 latch - up test results ------------------------------------------------------- -------------- 25 6.0 mechanical information ----------------------------------------------------------------------- 27
table of contents i
introduction 1 1.0 introduction 1.1 description the au9472 r2 is an integrated usb keyboard and 2 port hub controll er chip. the au9472 r2 has a built - in default keyboard matrix, so that it can be directly connected to an 18 x 8 keyboard matrix. the keyboard matrix can be customized via an optional external 1024 - byte serial eeprom. downstream ports can be used to con nect various usb peripheral devices, such as usb printers, modems, scanners, cameras, mice, and joysticks to the system without adding external glue logic. it also supports multimedia volume control, cd/dvd play/pause, stop, eject, mute and general purpose shortcut keys such as internet, email and help. this single chip integration makes the au9472 r2 the most cost effective hub/keyboard solution available in the market. 1.2 features ? ? fully compliant with the universal serial bus specification, version 1 .1 ? ? usb hub design is compliant with universal serial bus hub specification, revision 1.1 ? ? usb keyboard design is compliant with usb device class definition for human interface devices (hid), firmware specification, version 1.1 ? ? single chip integration of usb keyboard, hub, acpi and multimedia control functions ? ? integrated usb hub supports two bus - powered downstream ports ? ? patent - pending, table - driven scantable ? technology for easy customization to different keyboard matrix up to 18x8. ? ? support rotary encoder for multimedia volume control ? ? support cd/dvd play/pause, fast forward, rewind, stop, eject, mute (up to 24 keys) ? ? additional general purpose keys for internet, email, help?shortcuts, up to 16 keys. ? ? additional 2 general purpose leds ? ? support acpi compliant suspe nd/shutdown key ? ? if necessary, usb vendor id, product id, and keyboard scan code table can be customized via optional external eeprom. ? ? built - in 3.3v voltage regulator allows single +5v operating voltage drawing directly from usb bus. this results in reduce d overall system cost. ? ? optional gang - powered control pin for downstream port. ? ? runs at 12mhz frequency ? ? available in 64 - pin lqfp package.
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application block diagram 3 2.0 application block diagram the au9472 r2 is a single chip which int egrates usb keyboard and hub functionality. the upstream port is connected to the usb system. the downstream ports can be used for a mouse and joystick. the multimedia function keys are designed to support volume control, cd/dvd play/pause, stop, eject, m ute and general purpose shortcut keys for one key internet, email and help.
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pin assignment 5 3.0 pin assignment the au9472 r2 is packed in a 64 - pin quad flat package (lqfp ). the following figure shows the signa l names for each of the pins on the chip of a lqfp package. the table on the following page describes each of the pin signals. vhv v33 wakupkyn shutdkyn scan_m2 scan_m1 scan_m0 scan_r18 scan_r17 scan_r16 scan_r15 scan_r14 scan_r13 gndio scan_r12 scan_r11 16 14 15 10 11 12 7 8 9 5 6 2 3 4 1 13 33 35 34 39 38 37 42 41 40 44 43 47 46 45 48 36 scan_c2 scan_c7 scan_c6 scan_c5 scan_c4 scan_c3 scan_c1 scan_r8 scan_r7 scan_r6 scan_r5 scan_r4 scan_r3 scan_r10 scan_r9 scan_c8 61 60 59 58 57 56 55 54 53 52 51 50 49 62 64 63 e2pclk capslock num_lock led2 led1 dp1ovcr dp2pwrup dp2ovrcr gangpwrn ain gndk vcc3k bin e2pdata scan_r1 scan_r2 rstn xtal_1 xtal_2 gndap vccap usb_dp usb_dm usb1_dp usb1_dm usb2_dp mutekeyn sleepkeyn modekeyn nc usb2_dm scroll_lock 32 20 21 22 23 24 25 26 27 28 29 30 31 19 17 18
pin assignment 6 table 3 - 1. pin descriptions pin # pin name io type driving capability description 1 gndio gnd ground 2 vhv 5v power supply 5v input 3 v cc 33 regulator 3.3v output 4 wakupkyn input, pull up acpi wakeup key 5 shutdkyn input, pull up acpi shutdown key 6 scan_m2 input,output,pull down 16ma, 50kohm row/scan line (dedicated for mm/shortcut keys) 7 scan_m1 input/outpu t,pull down 16ma, 50kohm row/scan line (dedicated for mm/shortcut keys) 8 scan_m0 input/output,pull down 16ma, 50kohm row/scan line (dedicated for mm/shortcut keys) 9 scan_r18 input/output,pull down 16ma, 50kohm row/scan line 10 scan_r17 input/output,pu ll down 16ma, 50kohm row/scan line 11 scan_r16 input/output,pull down 16ma, 50kohm row/scan line 12 scan_r15 input/output,pull down 16ma, 50kohm row/scan line 13 scan_r14 input/output,pull down 16ma, 50kohm row/scan line 14 scan_r13 input/output,pull d own 16ma, 50kohm row/scan line 15 scan_r12 input/output,pull down 16ma, 50kohm row/scan line 16 scan_r11 input/output,pull down 16ma, 50kohm row/scan line 17 scan_r10 input,pull up,pull down 16ma, 50kohm row/scan line 18 scan_r9 input,pull up,pull do wn 16ma, 50kohm row/scan line 19 scan_c8 input,pull up 2.5k ohm column line 20 scan_c7 input,pull up 2.5k ohm column line 21 scan_c6 input,pull up 2.5k ohm column line 22 scan_c5 input,pull up 2.5k ohm column line 23 scan_c4 input,pull up 2.5k ohm column line 24 scan_c3 input,pull up 2.5k ohm column line 25 scan_c2 input,pull up 2.5k ohm column line 26 scan_c1 input,pull up 2.5k ohm column line 27 scan_r8 input/output,pull down 16ma, 50kohm row/scan line 28 scan_r7 input/output,pull down 16ma, 50kohm row/scan line 29 scan_r6 input/output,pull down 16ma, 50kohm row/scan line 30 scan_r5 input/output,pull down 16ma, 50kohm row/scan line 31 scan_r4 input/output,pull down 16ma, 50kohm row/scan line 32 scan_r3 input/output,pull down 16ma, 50kohm r ow/scan line 33 scan_r2 input/output,pull down 16ma, 50kohm row/scan line 34 scan_r1 input/output,pull down 16ma, 50kohm row/scan line 35 bin input rotary encoder input ?b? 36 vcc3k kernel 3 .3 v input +3v power supply 37 gndk kernel ground ground 38 ain input rotary encoder input ?a? 39 gangpwrn output 8ma port 1 power/gang power enable (gang mode)
pin assignment 7 40 dp2ovrcur input,pull up 50kohm port 2 over current ? low active 41 dp2pwrup output 8ma downstream port 2 power enable ? low active 42 dp1ovrc ur input,pull up 50kohm port 1 over current ? low active 43 led1 output 8ma additional led 1 ? low active ? open drain 44 led2 output 8ma additional led 2 ? low active ? open drain 45 num_lock output 16ma num lock led ? low active ? open drain 46 cap slock output 16ma cap lock led ? low active ? open drain 47 e2pclk output 4ma eeprom clock 48 e2pdata input/output,pull up 50kohm eeprom data 49 nc no connection 50 modekeyn input fn key 51 usb2_dm input/output 16ma usb downstream port 2 d - 52 us b2_dp input/output 16ma usb downstream port 2 d+ 53 usb1_dm input/output 16ma usb downstream port 1 d - 54 usb1_dp input/output 16ma usb downstream port 1 d+ 55 usb_dm input/output 16ma usb upstream d - 56 usb_dp input/output 16ma usb upstream d+ 57 vcc ap analog 3.3v input analog vcc 58 gndap analog ground analog ground) 59 xtal_2 output 12mhz crystal output 60 xtal_1 input 12mhz crystal input 61 rstn input reset ? low active 62 mutekeyn input,pull up 50kohm mute key, low active 63 sleepkeyn input,pull up 50kohm acpi (sleep/wakeup/power down) ? low active 64 scroll_lock output 16ma scroll_lock led output ? low active ? open drain
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system architectur e and reference desi gn 9 4.0 system architecture and reference desig n 4.1 au9472 r2 block diagram au9472 block diagram
system architectur e and reference desi gn 10 4.2 sample schematics r10 15k jp1 header 10 1 2 3 4 5 6 7 8 9 10 vcc3.3 scan_r17 scan_r4 j2 right gnd dm dp out_a fgnd c29 0.1uf u3 24c08 or compatible 1 2 3 4 5 6 7 8 a0 a1 a2 gnd sda scl wp vcc c32 0.1uf alcor micro AU9472R2 a AU9472R2 usb keyboard-hub controller a4 1 1 friday, june 07, 2002 title size document number rev date: sheet of r14 470 r5 15k scan_r10 scan_c6 scan_r14 vcc3.3 scan_r4 scan_c4 scan_r18 scan_r8 scan_r5 j1 1 2 3 4 5 vcc data- data+ gnd fgnd1 scan_r9 c9 1uf scan_r3 c24 39pf f8 fb f7 fb vcc3.3 scan_r18 c20 150uf scan_c7 r26 100k scan_c4 scan_r10 d2 led c34 150uf scan_r16 f2 fb scan_c8 scan_r17 y1 12mhz c23 47p c19 47p r8 1m r27 100k vcc3.3 u1 au9472a2 26 25 24 23 22 21 20 19 34 33 32 31 30 29 28 27 18 17 16 15 14 13 12 11 10 9 36 57 3 56 55 54 53 52 51 64 46 45 60 59 61 39 37 58 48 47 8 7 6 2 42 40 41 38 35 63 62 43 44 1 50 49 4 5 scan_c1 scan_c2 scan_c3 scan_c4 scan_c5 scan_c6 scan_c7 scan_c8 scan_r1 scan_r2 scan_r3 scan_r4 scan_r5 scan_r6 scan_r7 scan_r8 scan_r9 scan_r10 scan_r11 scan_r12 scan_r13 scan_r14 scan_r15 scan_r16 scan_r17 scan_r18 vcc3k vccap vcc3.3 usb_dp usb_dm usb1_dp usb1_dm usb2_dp usb2_dm scr_lock# cap_lock# num_lock# xtal_1 xtal_2 reset# gangpwrn gndk gndap e2p_data e2p_clk scan_m0 scan_m1 scan_m2 vhv dp1_ovrcur# dp2_ovrcur# dp2_pwr# a_in b_in sleep# mute# led1# led2# gndio modekeyn nc wakupkyn shutdkyn scan_r15 scan_r1 c25 0.1uf r4 15k r23 47k scan_c1 scan_r14 scan_c8 scan_r2 scan_r5 r7 39 scan_r7 f1 fb scan_r12 c20 0.1uf r6 15k scan_c3 c11 0.1uf d3 led r11 39 vcc3.3 c21 0.1uf scan_r13 r13 470 r25 470k r17 39 c10 10uf r1 39 r2 1.5k scan_r1 c22 39pf r15 470 vcc3.3 scan_c3 vcc scan_r6 u2 2526 or compatible 1 2 3 4 5 6 7 8 ena# flga# flgb# enb# outb gnd in outa scan_r3 c15 47p scan_r15 c17 47p vcc r9 39 scan_r7 c26 0.1uf d4 led j3 left gnd dm dp out_a fgnd scan_r9 vcc3.3 jp2 header 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 disclaimer: this schematic is for reference only. alcor micro corp. makes no warranty for the use of its products and bears no responsibility for any error that appear in this document. specifications are subject to change without notice. f4 fb r16 39 c33 0.1uf scan_r6 f3 fb scan_c1 scan_c5 scan_r13 vcc scan_r8 scan_r11 c36 0.1u scan_c7 r12 39 c31 0.1uf vcc vcc c14 0.1uf scan_c2 scan_c2 r3 39 c37 0.1u scan_c6 scan_r12 scan_r16 scan_c5 scan_r2 scan_r11 r24 47k
system architectur e and reference desi gn 11 4.3. au9472 a2 keyboard hub eeprom sample value offset hex value description 00 00,07 configuration byte 1 bit 0 : individ ual power. byte 1 bit 1 : wakeup on any key. byte 1 bit 2 : select selfpower change by hid feature. byte 1 bit 3 : enable disconnect on power change. byte 1 bit 4 : disable hub(keyboard only). byte 1 bit 5 : enable volume up/down keys (disable rotary encoder). byte 1 bit 6 : enable split report (16 bits - id3, 8 - id1) byte 1 bit 7 : enable port error 02 b1,c3 lobyte : pointer to hub device descriptor 000h rom address hibyte : xfer end address + 1 04 1c,35 lobyte : pointer to hub configuration descriptor 000h rom address hibyte : xfer end address + 1 (config+interface+endpoint) 06 c3,cc lobyte : pointer to hub class descriptor (0x29) 000h rom address hibyte : xfer end address + 1 08 cc,de lobyte : pointer to keyboard device descriptor 000h r om address hibyte : xfer end address + 1 0a 35 , 57 lobyte : pointer to keyboard configuration descriptor hibyte : xfer end address + 1 000h rom address (config+interface0+hid0+endpoint1+interface1+hid1+endpoint2) 0c 47 ,50 lobyte : pointer to keyboard hid descriptor (0x21) interface 0 hibyte : xfer end address + 1 000h rom address 0e 70,b1 lobyte : pointer to keyboard report descriptor (0x22) interface 0 hibyte : xfer end address + 1 000h rom address 10 60,69 lobyte : pointer to keyboard hid descriptor (0x21) interface 1 hibyte : xfer end address + 1 000h rom address 12 54,02 lobyte : pointer to keyboard r eport descriptor (0x22) interface 1 hibyte : xfer end address + 1 start in 200h rom address end in 300h rom address
system architectur e and reference desi gn 12 14 02,06 lobyte : pointer to string descriptor (index 0) 300h rom address hibyte : xfer end address + 1 16 06,12 lobyte : pointer to string descriptor (index 1) 300h rom address hibyte : xfer end address + 1 18 12,3a lobyte : pointer to string descriptor (index 2) 300h rom address hibyte : xfer end address + 1 1a 3a,42 lobyte : pointer to string descriptor (index 3) 300h rom address hibyte : xfer end address + 1 1c 09,02,19,00,01,01,02,e0,32 config desc. 1 interface, self powered, remote wakeup, 100 ma total bytes returned : 0x19 25 09,04,00,00,01,09,00,00,02 hub interface descriptor, interface 0. class code 0x9, sub class 02 2e 07,05,81,03,01,00,ff hub endpoint descriptor 35 09,02,22,00,01,01,02,e0,32 keybrd config desc. 1 interfaces, self powere d, remote wakeup, 100 ma total bytes returned : 0x22 3e 09,04,00,00,01,03,01,01,02 keyboard interface descriptor, interface 0. class code 0x3.boot subclass 47 09,21,10,01,00,01,22,41,00 keyboard hid 1.1 descriptor , country code=00 50 07,05,81,03,08,00,0a keyboard endpoint descriptor 57 09,04,01,00,01,03,00,00,02 added key interface descriptor, interface 1. class code 0x3. subclass 02, (kb 1 interface, added key not used) 60 09,21,10,01,00,01,22,ae,00 added key hid 1.1 descriptor , country code=00 69 07,05,82,03,04,00,ff added key endpoint descriptor 70 05,01,09,06,a1,01,05,07, 19,e0,29,e7,15,00,25,01, 75,01,95,08,81,02,95,01, 75,08,81,01,95,05,75,01, 05,08,19,01,29,05,91,02, 95,01,75,03,91,01,95,06, 75,08, 15,00,26,ff,00,05, 07,19,00,2a,ff,00,81,00, c0 keyboard report descriptor b1 12,01,10,01,09,00,00,08, 8f,05,13,92,01,00,01,02, 00,01 hub device descriptor, version 1. 1, change vid,pid device version 1 12 descriptor length 01 device descriptor 10 01 usb version 1.1 09 hub class 00 sub - class 00 device protocol 08 maximum packet size vv vv vender id ? hub vender id (058f) pp pp product id - hub product id (9213) 01 00 device release number 01 index of manufacturer string descriptor 02 index of p roduct string descriptor 00 index of serial number string descriptor ? no serial number 01 number of configuration c3 09,29,03, 0c,00,16,64,02,ff hub class descriptor. 09 descriptor length 29 hub descriptor
system architectur e and reference desi gn 13 03 number of downstream port ? one keyboard a nd 2 external ports 0c 00 individual over - current, compound device, gang power switch 16 power good wait time 16hx2 ms 64 maximum current required (100 ma) 02 port 1 is not removable ff port power control mask cc 12,01,10,01,00,00,00,08, 8f,05,72,94 ,01,00,01,02, 00,01 keyboard device descriptor, version 1.1, change vid,pid device version 1 12 descriptor length 01 device descriptor 10 01 usb version 1.1 00 class defined in interface descriptor 00 sub - class 00 device protocol 08 maximum packet size vv vv vender id ? keyboard vender id (058f) pp pp product id - keyboard product id (9472) 01 00 device release number 01 index of manufacturer string descriptor 02 index of product string descriptor 00 index of serial number string descriptor ? no serial number 01 number of configuration de 00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, spare bytes for expanding the key report descriptor 100 39,2c,4e,3a,3b,3c,3d,3e, 3f,40,41,42,43,53, 47,5f, 60,61,56,5c,5d,5e,57,59, 5a,5b,62,63,58,44,45,46, 34,35,4d,31,1d,1b,06,19, 05,11,10,36,37,38,4c,55, 24,25,26,27,2d,2e,2a,2b, 14,1a,08,15,17,1c,18,0c, 12,13,2f,30,28,51,04,16, 07,09,0a,0b,0d,0e,0f,33, 32,4a,52,4b,48,50,4f,49, 00,89,e0,e4,e8,e2,e6,54, 8b,e3,00,00,67,88,00,8a, e1,87,00,00,e5,66,e7,65, 64,29,1e,1f,20,21,22,23, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, keyboard matrix 8x18 190 60,61,56,5c,5d,5e,57,59, 5a,5b,62,63,58,44,45,46, 34,35,4d,31,1d,1b,06,19, 05,1 1,62,36,63,54,4c,55, 5f,60,61,55,2d,2e,2a,2b, 14,1a,08,15,17,1c,5c,5d, 5e,56,2f,30,58,4e,04,16, 07,09,0a,0b,59,5a,5b,57, keyboard matrix 8x14
system architectur e and reference desi gn 14 32,4a , 4b,4b,48,4a,4d,49, 00,89,e4,e4,e8,e2,e6,54, 8b,e3,00,00,67,88,00,8a, e1,87,00,00,e5,66,e7,65, 64,29,1e,1f,20,21,22,23, 00,00,00,0 0,00,00,00,00, 200 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00, 00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00, spare bytes for expanding the added key report descriptor 254 05,0c,09,01,a1,01,85 ,01, 09,e0,15,e8,25,18,75 ,07, 95,01,81,06,15,00,25 ,01, 75,01,09,e2,81,06,c0 ,05, 01,09,80,a1,01,85,02 ,19, 81,29,83,15,00,25,01 ,75, 01,95,03,81,06,75,05 ,95, 01,81,01,c0,05,0c,09 ,01, a1,01,85,03,95,01,75 ,01, 15,00,25,01,0a,21,02 ,81, 06,0a,8a,01,81,06,09 ,b7, 81,06,09,cd,81,06,09 ,e9, 81,06,09,ea,81,06,0a ,92, 01,81,06,0a,24,02,81 ,06, 0a,8a,01,81,06,0a,23 ,02, 81,06,0a,21,02,81,06 ,0a, 2 6,02,81,06,0a,27,02, 81, 06,09,e2,81,06,09,00 ,81, 06,09,00,81,06,95,01 ,75, 08,81,01,05,08,09,19 ,75, 01,91,02,09,2a,91,02 ,95, 01,75,06,91,01,c0, added key report descriptor (kb 1 interface, added key not used) 302 04,03,09,04 lang id array, (index 0), chang e string 306 0c,03, 41,00,4c,00,43,00,4f,00,52,00, leng,str_desc, (index 1) manufacturer, a,l,c,o,r 312 28,03, 41,00,55,00,39,00,34,00, 37,00,32,00,20,00,4b,00, 65,00,79,00,62,00,6f,00, 61,00,72,00,64,00,20,00, 48,00,75,00,62,00, leng, str_des c (index 2), change string product, a,u,9,4,7,2, ,k,e,y,b,o,a,r,d, ,h,u,b 33a 08,03,31,00,32,00,33,00 leng,str_desc (serial number, index 3), change string 1,2,3 342 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00, 00,00,00,00, 00,00,00,00,00,00,00,00, spare bytes
system architectur e and reference desi gn 15 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00, 00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,
system architectur e and reference desi gn 16 4.4 sample key matrix layout table this table is a sample key matrix. the au9472 r2 can also mask this matrix as default without an external eeprom. table 4 - 1. sample au9472 r2 key matrix h1 h2 h3 h4 h5 h6 h7 h8 v1 ? left v2 alt - left japan alt - right japan v3 ctrl - left caps - lock ctrl - right r korea - right v4 korea - left shift - right japan shift - left v5 z a back - space `~ enter home ? 4 tab v6 x s += 1! ]} ? 8 5 q v7 f3 f5 print - screen pause f11 f9 f7 f1 v8 esc f4 f12 scr oll - lock f10 f8 f6 f2 v9 m j 7& 6^ u k ,< y v10 n h 8* 5% i l .> t v11 b g 9( 4$ o ;: ?/ r v12 v f 0) 3# p ?? space - bar e v13 c d - _ 2@ [{ pg up 9 ? 6 w v14 page - up page - dn \ (uk) | ? - * pg dn 3 ins 0 v15 home end \ | ? + / ? 2 . del v16 ins ert del ? ? ? num lock end 1 enter (pad) v17 ? right v18 <> japan japan rev.key brazil
electrical charact eristics 17 5.0 electrical characteristics 5.1 absolute maximum ratings symbol parameter rating units v cc power supply - 0.3 to 6.0 v v in input voltage - 0.3 to vcc+0.3 v v out output voltage - 0.3 to vcc+0.3 v v cc5 power supply for dual oxide cells - 0.6 to 6.0 v v in5 power supply for dual oxide cells - 0.3 to v cc5 +0.3 v v out output voltage - 0.3 to v cc5 +0.3 v t stg storage temperature - 55 to 150 o c 5.2 recommended o perating conditions symbol parameter min typ max units v cc power supply 3.0 3.3 3.6 v v in input voltage 0 - v cc v commercial power supply for dual oxide cells 4.75 5.0 5.25 o c industrial power supply for dual oxide cells 4.5 5.0 5.5 v v cc5 v in5 input voltage 0 - v cc5 v commercial junction operating temperature 0 25 115 o c t j industrial junction operating temperature - 40 25 125 o c
electrical charact eristics 18 5.3 general dc characteristics symbol parameter conditions min typ max units i il input leakage current no pull - up or pull - down - 1 1 ? a i oz tri - state leakage current - 1 1 ? a c in3 3.3 input capacitance 2.8 ? f c out3 3.3 output capacitance 2.7 4.9 ? f c bid3 3.3v bi - directional buffer capacitance 2.7 4.9 ? f c in5 5v input capacitance 2.7 5.6 ? f c out5 5v output capacitance ? f c bid5 5v bi - directional buffer capacitance 2.7 5.6 ? f 5.4 dc electrical characteristics for 5 volts operation ( under recommended operating conditions and v cc =4.5v ~ 5.25v , tj= 0 o c to +115 o c ) symbol parameter condi tions min typ max units v il input low voltage cmos 0.3*v cc v v ih input high voltage cmos 0.7*v cc v v il input low voltage ttl 0.8 v v ih input high voltage ttl 2.0 v v t - schmitt trigger negative going threshold voltage cmos 1.78 v v t+ schmi tt trigger positive going threshold voltage cmos 3.20 v v t - schmitt trigger negative going threshold voltage ttl 1.10 v v t+ schmitt trigger positive going threshold voltage ttl 1.90 v v ol output low voltage i ol =2, 4, 8, 12, 16, 24 ma 0.4 v v o h output high voltage i oh =2, 4, 8, 12, 16, 24 ma 3.5 v r i input pull - up/down resistance v il =0 v or v ih =v cc 50 k ?
electrical charact eristics 19 5.5 dc electrical characteristics for 3.3 volts operation ( under recommended operating conditions and v cc =3.0v ~ 3.6v , tj = 0 o c t o +115 o c ) symbol parameter conditions min typ max units v il input low voltage cmos 0.3*v cc v v ih input high voltage cmos 0.7*v cc v v t - schmitt trigger negative going threshold voltage cmos 1.20 v v t+ schmitt trigger positive going threshold voltage cmos 2.10 v v ol output low voltage i oh =2, 4, 8, 12, 16, 24 ma 0.4 v v oh output high voltage i oh =2, 4, 8, 12 , 16, 24 ma 2.4 v r i input pull - up/down resistance v il =0 v or v ih =v cc 75 k ? 5.6 crystal oscillator circuit setup for characterization the following setup was used to measure the open loop voltage gain for crystal oscillat or circuits. the feedback resistor serves to bias the circuit at its quiescent operating point and the ac coupling capacitor, cs, is much larger than c1 and c2.
electrical charact eristics 20 5.7 usb transceiver characteristics recommended operating conditions symbol parameter c onditions limits unit min max v cc dc supply voltage 3.0 3.6 v v i dc input voltage range 0 5.5 v v i/o dc input range for i/os 0 v cc v v o dc output voltage range 0 v cc v t amb operating ambient temperature range in free air see dc and ac charact eristics for individual device 0 70 c absolute maximum ratings (notes 1 and 2) in accordance with the absolute maximum rating system, voltages are referenced to gnd (ground=0v) symbol parameter conditions limits unit min max v cc dc supply voltag e - 0.5 +6.5 v i ik dc input diode current vi<0 - 50 ma v i dc input voltage note 3 - 0.5 +5.5 v v i / o dc input voltage range for i/os - 0.5 vcc +0.5 v i ok dc output diode current vo> vcc or vo<0 +/ - 50 ma v o dc output voltage note 3 - 0.5 vcc +0.5 v i o d c output source sink current for vp/vm and rcv pins vo=0 to vcc +/ - 15 ma i o dc output source or sink current for d+/d - pins vo= 0 to vcc +/ - 50 ma i cc , i gnd dc vcc or gnd current +/ - 100 ma t sto storage temperature range - 60 +150 c p tot power dissipation per package mw notes: 1. stresses beyond those listed may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated un der "recommended operating conditions" is not implied. exposure to absolute maximum rated conditions for extended periods may affect device reliability. 2. the performance capability of a high performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. the maximum junction temperature of this integrated circuit should not exceed 150 c. 3. the input and output voltage ratings may be exceeded if the input and output clamp current ratings are observed.
electrical charact eristics 21 dc electrical characteristics over recommended operating conditions. voltages are referenced to gnd (ground=0v). limits symbol parameter - 40 c to +85 c unit test conditions min typ max vhys hysteresis on inputs vcc=3.0v to 3.6v (note 3) 0.3 0.4 0.5 v vih high level input vcc=3.0v to 3.6v (note 3) 1.5 2.0 v vil low level input vcc=3.0v to 3.6v (note 3) 0.8 1.1 v roh ou tput impedance (high state) note 2 28 34 43 ohm rol output impedance (low state) note 2 28 35 43 ohm voh high level output (note 3) vcc=3.0v io=6ma vcc=3.0v io=4ma vcc=3.0v io=100 ? a 2.2 2.4 2.8 2.7 v vol low level output (note 3) vcc=3.0v io=6ma vcc= 3.0v io=4ma vcc=3.0v io=100 ? a 0.3 0.7 0.4 0.2 v iq quiescent supply current vcc=3.6v vi=vcc or gnd io=0 330 600 ? a isup supply current in suspend vcc=3.6v vi=vcc or gnd io=0 70 ? a ifs active supply current (full speed) vcc=3.3v 9 14 ma ils active supply current (low speed) vcc=3.3v 2 ma ileak imput leakage current vcc=3.6v vi=5.5v or gnd, not for i/o pins +/ - 0.1 +/ - 0.5 ? a ioff 3 - state output off - state current vi=vih or vi l ; vo=vcc or gnd +/ - 10 ? a notes: 1. all typical values are at vcc=3. 3v and tamb=25 c. 2. this value includes an external resistor of 24 ohm +/ - 1%. see "load d+ and d - " diagram for testing details. 3. all signals except d+ and d - .
electrical charact eristics 22 ac electrical characteristics gnd=0v, t r = t f =3.0 ns; c l = 50pf, rl=500ohms limits (t amb ) 0 c to +25 c 0 c to +70 c symbol parameter waveform min typ max min max unit tplh tphl vmo/vpo to d+/d - full speed 1 0 0 12 12 0 0 14 14 ns trise tfall rise and fall times full speed 2 4 4 9 9 20 20 4 4 20 20 ns trfm rise and fall time matching full s peed 90 110 90 110 % tplh tphl vmo/vpo to d+/d - low speed 1 120 120 300 300 300 300 ns trise tfall rise and fall times low speed 2 75 75 300 200 75 75 300 200 ns trfm rise and fall time matching low speed 70 130 70 130 % tplh tphl d+/d - to rcv 3 9 9 16 16 16 16 ns tplh tphl d+/d - to vp/vm 1 4 4 8 8 8 8 ns tphz tpzh tplz tpzl oe# to d+/d - rl = 500ohm 4 12 12 10 10 12 12 10 10 ns tsu setup for speed 5 0 ns vcr crossover point 1 3 1.3 2.0 1.3 2.0 v note: 1. the crossover point is in the range of 1.3v to 2.5v for the low speed mode with a 5cpf capacitance.
electrical charact eristics 23
electrical charact eristics 24 5.8 esd test results test description : esd testing was performed on a zapmaster system using the human - body ? model (hbm) and machine - model (mm), according to mil_std 883 and eiaj ic_121 respectively. ? ? human - body - model stress devices by sudden application of a high voltage supplied by a 100 pf capacitor through 1.5 kohm resistance. ? ? machine - model stresses devices by sudden application of a high voltage supplied by a 200 pf capacitor through very low (0 ohm) resistance test circuit & condition ? ? zap interval : 1 second ? ? number of zaps : 3 positive and 3 negative at room temperature ? ? critera : i - v curve tracing model model s/s target results hbm vdd, vss, i/c 15 6000v pass mm vdd, vss, i/c 15 200v pass
electrical charact eristics 25 5.9 latch - up test results test description: latch - up testing was performed at room ambient using an imcs - 4600 system which applies a stepped voltage to one pin per device with all other pins open excep t vdd and vss which were biased to 5 volts and ground respectively. testing was started at 5.0 v (positive) or 0 v(negative), and the dut was biased for 0.5 seconds. if neither the put current supply nor the device current supply reached the predefined li mit (dut=0 ma , icc=100 ma), then the voltage was increased by 0.1 volts and the pin was tested again. this procedure was recommended by the jedec jc - 40.2 cmos logic standardization committee. notes: 1. dut: device under test. 2. put: pin under test. vcc dut gnd pin under test m a untested output open circuit untested input tied to v supply trigger source v supply + + icc measurement test circuit : positive input/ output overvoltage /overcurrent 1 source
electrical charact eristics 26 vcc dut gnd pin under test ma untested output open circuit untested input tied to v supply trigger source v supply + + icc measurement test circuit : negative input/ output overvoltage / overcurrent 1 source vcc dut gnd ma untested output open circuit all input tied to v supply v supply + icc measurement supply voltage test latch ? up data model model voltage (v)/ current s/s results + voltage - 11.0 11.0 5 pass + current - 200 200 5 vdd - vxx 9.0 5 pass
mechanical informa tion 27 6.0 mechanical information

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