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data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 1 general description the AUR3852 is a low-cost high-resolution single chip solution for apa capacitive touch screen. it is an 8-bit single cycle 8051 microcontroller with icp interface. the chip includes a 12-bit successive approximation analog-to-digital converter with an i 2 c interface and multiplexer-switcher circuits for flexible measurement of analog signal from apa panel. an accurate switched-capacitor integrator is built-in and it can auto calibrate the pixel parameters for a wide range of capacitance on the touch screen (0.1pf to 4pf). on-c hip capacitor can replace external component. this touch screen controller (tsc) with cmos integration circuit provides an ideal choice for apa touch panel. the AUR3852 is specified over the temper ature range of -40c to 85c. the AUR3852 is available in qfn-66-48 and qfn-77-56 packages. features ? 1 mutual capacitive touch sensing ? single power supply: 2.8v to 3.6v operation voltage ? 1 supports low voltage to 1.8v by built-in 1.8v to 3.3v boost converter ? qfn-66-48 package: up to 20 drive lines and 14 sense lines ? 1 qfn-77-56 package: up to 27 drive lines and 15 sense lines ? 1 dedicated internal two-wi re serial control bus i 2 c and uart between AUR3852 and host ? 1 single-end integrator with programmable gain control and offset control ? 1 multiplexed analog digitization with 12-bit resolution sar adc features (continued) ? single cycle 8051 cpu core, maximum opera- ting clock up to 24mhz from iosc 2mhz to 24mhz internal oscillator (iosc) 32k-byte flash rom 256-byte internal sram and 5888-byte xsram two 16-bit timers t0/t1 and one 16-bit ect timer t2 one i 2 c slave controller and one i 2 c master controller shared with the same port ? with asynchronous i 2 c slave address detection logic design up to 30 general purpose gpio pins (qfn-56); 25 general purpose gpio pins (qfn-48) up to 8 external interrupt pins up to 2 uart ports (qfn-56); 1 uart port (qfn-48) ? isp/iap via i2c/uart port (with external clock i/o pin definition for uart iap. pin shared with p1.7) ? operation temperature range: -40c to 85c ? package type: qfn-66-48 and qfn-77-56 ? rohs compliance ? operating mode: mode description power-down no scan with power-down mode low speed lower scan rate when finger is not on panel, iosc=32khz standard higher scan rate when fingers are on panel, iosc can up to 2mhz to 24mhz applications ? mobile phones ? personal digital assistants ? smart hand-held or gaming devices figure 1. package types of AUR3852 qfn-66-48 qfn-77-56
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 2 pin configuration qt package (qfn-66-48) s5 s9 s10 s6 s13 s11 s7 s8 s3 s4 s12 s14 p1.3/scl testen p1.7/t0/pint0.1/extclkin p1.2/sda p2.2/txd1 rstn p3.6/rxd1 p0.7/rxd0/dr8 p0.4/pint1.4/dr5 p1.0/dr9 p0.6/txd0/dr7 p0.5/pint1.5/dr6 15 16 14 13 12 11 10 9 8 7 6 5 3 2 4 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 pin 1 mark ep
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 3 pin configuration (continued) qu package (qfn-77-56) p3.1/dl5 p2.5/t2/dl9 p2.6/dl8 p2.4/t2ex/dl10 p2.3/dl11 p2.7/dl7 p3.2/dl12 p3.0/dl6 p3.3/dl13 p2.0/dl4 p1.6/t1/pint0.0/dl3 p1.5/dl2 p1.1/dl1 vss p0.7/rxd0/dr8 p1.3/scl testen p1.7/t0/pint0.1/extclkin p1.2/sda p1.0/dr9 p2.2/txd1 p0.6/txd0/dr7 p0.5/pint1.5/dr6 rstn p1.4/dr10 p3.5/dr11 p3.4/dr12 p3.6/rxd1 p0.3/pint1.3/dr4 p0.0/pint1.0/dr1 p0.4/pint1.4/dr5 vdd xcp vdd18 xcp_en vdden s3 s2 s1 xcp_vss p0.2/dr3 p0.1/pint1.1/dr2 s7 s11 s12 s8 s15 s13 s9 s10 s5 s6 s14 xdx0 xdx1 s4 ep pin 1 mark 15 56 1 16 14 13 12 11 10 9 8 7 6 5 3 2 4 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 figure 2. pin configuration of AUR3852 (top view)
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 4 pin description pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 1 1 vss power ground voltage . 0v 2 2 p1.1 i/o port 1.1 gpio 8051 p1.1 gpio dl1 left driving line 1 3 3 p1.5 i/o port 1.5 gpio 8051 p1.5 gpio dl2 left driving line 2 4 4 p1.6 i/o port 1.6 gpio 8051 p1.6 gpio pint0.0 this pin can also b e configured as the expanded int0 interrup t t1 timer 1 input this pin can also be configured as timer 1 input dl3 left driving line 3 5 5 p2.0 i/o port 2.0 gpio 8051 p2.0 gpio. to allow proper operation as gpio p2.0 function, crystal oscillator must be disabled by setting xosccfg re g ister to 0x00 dl4 left driving line 4 6 6 p3.1 i/o port 3.1 gpio 8051 p3.1 gpio dl5 left driving line 5 7 7 p3.0 i/o, a port 3.0 gpio 8051 p3.0 gpio dl6 left driving line 6
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 5 pin description (continued) pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 8 8 p2.7 i/o port 2.7 gpio 8051 p2.7 gpio dl7 left driving line 7 9 9 p2.6 i/o port 2.6 gpio 8051 p2.6 gpio dl8 left driving line 8 10 10 p2.5 i/o port 2.5 gpio 8051 p2.5 gpio t2 timer 2 input this pin can also be configured as timer 2 input dl9 left driving line 9 11 11 p2.4 i/o port 2.4 gpio 8051 p2.4 gpio t2ex timer 2 trigger this pin can also be configured as t2ex signal for timer 2. t2ex is the timer 2 trigger input dl10 left driving line 10 12 12 p2.3 i/o port 2.3 gpio 8051 p2.3 gpio dl11 left driving line 11 13 15 p3.6 i/o port 3.6 gpio 8051 p3.6 gpio rxd1 this pin can also be configured as rxd of uart 1 14 16 p2.2 i/o port 2.2 gpio 8051 p2.2 gpio. txd1 this pin can also be configured as txd of uart 1 8051 p2.2 gpio. to allow proper operation as gpio p2.2 function, crystal oscillator must be disabled by setting xosccfg re g iste r to 0x00
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 6 pin description (continued) pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 15, 18 17, 20 rstn, teste n i reset low active typically connect a resistor to vdd and a capacitor to vss low asserted and th r eshold at 0.5v dd . when forced low, the chip enters into reset condition this pin should not be connected to any level above v dd 16 18 p1.3 i/o port 1.3 gpio 8051 p1.3 gpio scl this pin can also b e configured as the scl signal of the i 2 c master or i 2 c slave controller. in i 2 c master mode, this pin should be configured as open-drain output. in i 2 c slave mode, this pin should be configured as input only 17 19 p1.2 i/o port 1.2 gpio 8051 p1.2 gpio sda this pin can also b e configured as the sda signal of the i 2 c master or i 2 c slave controller. in this operation mode, this pin should also be configured as bi-directional i/o with open-drain outpu t 19 21 p1.7 i/o port 1.7 gpio 8051 p1.7 gpio pint0.1 this pin can also b e configured as the expanded int0 interrup t t0 timer 0 input this pin can also be configured as timer 0 input external clock input external clock input source 20 25 p1.0 i/o port 1.0 gpio 8051 p1.0 gpio dr9 right driving line 9 21 26 p0.7 i/o port 0.7 gpio 8051 p0.7 gpio rxd0 this pin can also be configured as rxd of uart 0 dr8 right driving line 8
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 7 pin description (continued) pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 22 27 p0.6 i/o port 0.6 gpio 8051 p0.6 gpio txd0 this pin can also be configured as txd of uart 0 dr7 right driving line 7 23 28 p0.5 i/o port 0.5 gpio 8051 p0.5 gpio pint1.5 this pin can also be configured as the expanded int1 interrupt dr6 right driving line 6 24 29 p0.4 i/o port 0.4 gpio 8051 p0.4 gpio pint1.4 this pin can also b e configured as the expanded int1 interrup t dr5 right driving line 5 25 30 p0.3 i/o port 0.3 gpio 8051 p0.3 gpio pint1.3 this pin can also b e configured as the expanded int1 interrup t dr4 right driving line 4 26 31 p0.2 i/o port 0.2 gpio 8051 p0.2 gpio dr3 right driving line 3 27 32 p0.1 i/o port 0.1 gpio 8051 p0.1 gpio pint1.1 this pin can also b e configured as the expanded int1 interrupt. dr2 right driving line 2
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 8 pin description (continued) pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 28 33 p0.0 i/o port 0.0 gpio 8051 p0.0 gpio pint1.0 this pin can also b e configured as the expanded int1 interrup t dr1 right driving line 1 29 34 xcp_ vss power ground voltage. 0v boost ground 30 35 xcp power supply voltage. 1.6v to 2.0v 1.8v boost in 31 36 vdd power supply voltage. 2.8v to 3.6v a good decoupling capacitor between vdd and vss pins is critical for g ood performance 32 37 vdd1 8 power internal regulator output. 1.6v to 2.0v typical decoupling capacitors of 0.1 port 3.2 gpio 8051 p3.2 gpio dl12 left driving line 12
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 9 pin description (continued) pin number pin name pin type pin function qfn-66- 48 qfn-77- 56 - 14 p3.3 i/o port 3.3 gpio 8051 p3.3 gpio dl13 left driving line 13 - 22 p3.4 i/o port 3.4 gpio 8051 p3.4 gpio dr12 right driving line 12 - 23 p3.5 i/o port 3.5 gpio 8051 p3.5 gpio dr11 right driving line 11 - 24 p1.4 i/o port 1.4 gpio 8051 p1.4 gpio dr10 right driving line 10 - 55,56 xdx0, xdx1 i, a driving line 26,27
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 10 functional block diagram figure 3. main afe i/o pin assignment and whole chip?s functional block diagram 32kb flash 6kb sram
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 11 g: green ordering information AUR3852 circuit type package temperature range part number marking id packing type qfn-6x6-48 -40 to 85 c AUR3852gqt a3852gqt tape & reel qfn-7x7-56 AUR3852gqu a3852gqu tape & reel bcd semiconductor's pb-free products, as designated with "g" in the part number, are rohs compliant and green. AUR3852 support 4? to 7? touch panel, listed below: pn tx/rx multi-touch package panel size AUR3852gqt 20/14 10 point 100hz qfn-6x6-48 4? to 5? AUR3852gqu 27/15 10 point 100hz qfn-7x7-56 5? to 7? absolute maximum ratings (note 1) parameter symbol value unit supply voltage v dd 2.8 to 3.6 v analog input voltage (other pins) -0.3 to v dd +0.3 v logic input voltage -0.3 to v dd +0.3 v power dissipation p d 250 mw maximum junction temperature t j 100 c operating temperature t op -40 to 85 c storage temperature t stg -65 to 150 c note 1: stresses greater than those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional op eration of the device at these or any other conditions beyond those indicated under ?recommended operating co nditions? is not implied. exposure to ?absolute maximum ratings? for extended periods may affect device reliability. qt: qfn-66-48 qu: qfn-77-56
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 12 electrical characteristics da/ac characteristics for afe t a =?40c to 85c, v dd =3.3v, i 2 c bus frequency=400khz, 12-bit mode, unless otherwise noted. parameter symbol test condition min typ max unit adc dc accuracy resolution 12 bits no missing codes standard/fast mode 11 12 bits integral linearity error inl standard/fast mode 3 lsb differential linearity error offset error gain error dnl external v ref 1.5 6 4 lsb lsb lsb analog input full-scale input span absolute input range 0 -0.2 v dd v dd +0.2 v v adc sampling dynamics throughput rate 250 ksps reference input input voltage range 1.8 v dd v switched-capacitor integrator output voltage range 0.3 v dd -0.3 v integrator capacitor c int 12 pf power supply supply voltage v dd operating voltage 2.8 3.6 v charge pump voltage xcp 1.8 3.6 v quiescent current standard mode: iosc= 2mhz to 24mhz 1 tbd ma low-speed mode: iosc =32khz tbd a powe r -down mode, v dden =low 3 a temperature range specified performance -40 85 c 3.3v to 1.8v ldo internal 1.8v regulator output v dd18 , 15ma 1.6 1.8 2.0 v output voltage trimming level -2/4/6 0 2/4/6 % internal osc frequency 2 24 mhz operating current operating frequency =12mhz 50 a frequency trimming level -10/20/ 30 0 10/20/30 % external clock frequency 2 24 mhz operating current operating frequency= 12mhz 50 a
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 13 electrical characteristics (continued) da/ac characteristics for 8051 cpu core, digital gpio pins, digital peripherals, and iosc t a =?40c to 85c, v dd =2.8v to 3.6v, unless otherwise noted. parameter symbol mi n typ max unit note power supply current normal mode supply current using iosc up to 24mhz i dd , normal iosc1 7 ma 2 normal mode supply current using iosc<4mhz i dd , normal iosc2 2.5 ma 2 pmm mode supply current using iosc up to 24mhz i dd , pmm iosc1 2.5 ma 2 pmm mode supply current using iosc<4mhz i dd , pmm iosc2 0.5 ma 2 idle mode supply current using iosc up to 24mhz i dd , idle iosc1 2.5 ma 2 stop mode supply current using iosc keeps low, v dden =low i dd , stop 3 a 2 digital gpio characteristics high level input voltage v ih 2 3.6 v 3 v ih , sda/scl 1.6 3.6 v 3 low level input voltage v il -0.3 0.8 v 3 v il , sda/scl -0.3 0.5 v 3 high level output voltage v oh 2.4 v low level output voltage v ol 0.4 v high level output current @v oh (min) i oh (2ma) 3.0 7.8 12.9 ma i oh (4ma) 7.7 15.6 25.8 ma low level output current @v ol (max) i ol (2ma) 3.4 5.4 7.4 ma i ol (4ma) 6.7 10.7 14.7 ma input pull up resistance r pu 34 74 k ? 3 input pull down resistance r pd 29 86 k ? 3 input low to high level, rstn v ih , rstn 1.56 1.71 v 4 input high to low level, rstn v il , rstn 1.16 1.30 v 4 output rise time t rise 5 ns 7 output fall time t fall 5 ns 7 internal 3.3v to 1.8v ldo from afe internal 1.8v regulator output v dd18 , 15ma 1.6 1.8 2.0 v 5 power on/off reset level v dd18 , reset 80 85 90 % 6 note 2: does not include load current and test ed under nop loop and all peripheral disabled. note 3: for digital i/o only. note 4: for rstn pin only. note 5: supply to internal digital and analog circuit only. note 6: this is measured as the pe rcentage of steady state value of v dd18 . note 7: this is measured with 20pf load and 20% to 80% output level.
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 14 typical application figure 4. typical application of AUR3852 (for qfn-77-56 package)
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 15 mechanical dimensions qfn-66-48 unit: mm(inch) 5.900(0. 232) 6.100(0. 240) 6.100(0.240) 5.900(0.232) 4.400(0. 173) 4.600(0. 181) pin 1 mark 4.600(0. 181) 4.400(0. 173) 0.400 ( 0. 016) bsc 0.250(0. 010) min 0.700(0. 028) 0.800(0. 031) 0.000(0. 000) 0.050(0. 002) 0.200(0. 008) ref 0.150(0. 006) 0.250(0. 010) n1 n13 n25 n37 n48 0.300(0. 012) 0.500(0. 020) pin # 1 identification see detail a 1 2 pin 1 options detail a 3 48 47 46 1 2 3 48 47 46 1 2 3 48 47 46
data sheet enhanced multi-touch capacitive touch screen controller AUR3852 feb. 2013 rev. 1. 0 bcd semiconductor manuf acturing limited 16 mechanical dimensions (continued) qfn-77-56 unit: mm(inch)
important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yishan road, shanghai 200233, china tel: +021-6485-1491, fa x: +86-021-5450-0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manu facturing co., ltd., shenzhen office unit a room 1203,skyworth bldg., gaoxin ave.1.s., nanshan district shenzhen 518057, china tel: +86-0755-8660-4900, fax: +86-0755-8660-4958 taiwan office (taipei) bcd semiconductor (taiwan) company limited 3f, no.17, lane 171, sec. 2, jiu-zong rd., ne i-hu dist., taipei(114), taiwan, r.o.c tel: +886-2-2656 2808 fax: +886-2-2656-2806/26562950 taiwan office (hsinchu) bcd semiconductor (taiwan) company limited 8f, no.176, sec. 2, gong-dao 5th road, east district hsinchu city 300, taiwan, r.o.c tel: +886-3-5160181, fax: +886-3-5160181 - headquarters bcd (shanghai) micro-electronics limited no. 1600, zi xing road, shanghai zizhu scie nce-based industrial park, 200241, p. r.c. tel: +86-021-2416-2266, fax: +86-021-2416-2277 usa office bcd semiconductor corp. 48460 kato road, fremont, ca 94538, usa tel: +1-510-668-1950 fax: +1-510-668-1990 korea office bcd semiconductor limited korea office. room 101-1112, digital-empire ii, 486 sin-dong, yeongtong-gu, suwon-city, gyeonggi-do, korea tel: +82-31-695-8430 important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd., shenzhen office unit a room 1203, skyworth bldg., gaoxin ave.1.s., nanshan district, shenzhen, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corp. 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax: +1-510-324-2788 - headquarters bcd semiconductor manufacturing limited no. 1600, zi xing road, shanghai zizhu sc ience-based industrial park, 200241, china tel: +86-21-24162266, fax: +86-21-24162277 important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited

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