shenzhen lize electronic technology co., ltd specification MX8732A usb/ps2 single chip optical mouse sensor version 1.1 pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 2 of7 mx8 732a u+p single chip optical mouse sensor table of contents 1. general description....................................................................................................3 2. features.......................................................................................................................3 3. pin assignment...........................................................................................................4 4. absolute maximum rating.........................................................................................5 5. electrical characteristic.............................................................................................5 6. dc electrical characteristic.......................................................................................5 7. application circuit......................................................................................................6 8. package (dimension in mm)......................................................................................7 9. revision history..........................................................................................................7 pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 3 of7 mx8 732a u+p single chip optical mouse sensor 1. general description the MX8732A chip is a low cost single chip optical mouse solution used to implement a non-mechanical tracking engine for computer mice. it is based on optical navigation technology with usb/ps2 combo mcu bundled. which measures changes in position by optically acquiring sequential surface images(frames) and mathematically determining the direction and magnitude of movement. the single chip optical mouse sensor provides a complete and compact mouse solution, there are no moving parts, and precision optical alignment is not required, few outside components use and facilitate high volume assembly. it is a true crystal-less and ultra low cost solution. 2. features optical navigation technology low-cost and powerful solution for ps/2 and low-speed usb combo mouse microsoft 3d intellimouse and ibm ps/2 mouse compatible internal switch for usb dp/dm and ps2 clk/data i/o universal serial bus specification, version 2.0 usb hid specification, version 1.1 usb-if and whql compliable 5v power supply power saving during no motion on chip led drive with regulated current crystal-less resolution 1000dpi low emi radiation supports 3d (x, y, z) input supports 3 buttons and mechanical wheel encoding pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 4 of7 mx8 732a u+p single chip optical mouse sensor 3. pin assignment chart 1 pin assignment pin no. symbol i/o function 1 lb i left button input 2 xyled o led control (sink current) 3 nc - 4 gnd p gnd 5 vdd5 p 5v power input 6 v33 p 3.3v dc voltage output from internal regulator, this pin need to be tied to a 10uf/104 capacitor. 7 dp/clk i/o usb d+ / ps2 clk 8 dm/data i/o usb d- / ps2 data 9 rb i right button input 10 mb i middle button input 11 z2 i z axis input 2 12 z1 i z axis input 1 pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 5 of7 mx8 732a u+p single chip optical mouse sensor 4. absolute maximum rating symbol min. max. unit operating temperature 0 70 o c storage temperature C 65 150 o c input voltage C 0.5 6.0 v output voltage C 0.5 6.0 v 5. electrical characteristic test condition: t = 25 o c, vdd=5.0v, vss=0v 6. dc electrical characteristic (t=25 , vdd=5v, vss=0v) symbol parameter condition min type max unit 3.3v regulator vreg output voltage of 3.3v regulator vdd=4.4v~5.25v 3.0 3.3 3.6 v vresetl low power reset detecting low voltage - - - 3.3 v vreseth low power reset detecting high voltage - 3.6 - - v mcu operation iil input leakage current for input pins vin=vdd, vss - - 1 ua icc vdd operating supply output pins - - 10 ma parameters sym. min. typ. max. unit operating voltage vdd 4.5 5.0 5.5 v operating current (normal operation) iop ? ? 15 ma operating current (sleep mode) isleep ? 6.5 - ma usb suspend current isuspend - - 320 ua output voltage of 3.3v regulator vreg 3.0 3.3 3.6 v l, m, r, debounce time tb 17 ? ? ms z-axis debounce time tz 700 ? ? s pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 6 of7 mx8 732a u+p single chip optical mouse sensor current normal frequency operation mode floating usb interface voh static output high 2.8 - 3.6 v vol static output low - - 0.3 v vdi differential input sensitivity 0.2 - - v vcm differential input command mode range 0.8 - 2.5 v vse single ended receiver threshold 0.8 - 2.0 v cin transceiver capacitance - - 20 pf vrg output voltage of internal regulator usb operation mode 3.0 - 3.6 v 7. application circuit note: 1. c1, r4 as close usb/ps2 line solder pad on pcb as possible, pcb layout should be designed in such a way as to ensure that the vdd is stable and pass through rc filter. 2. the capacitance c2, c3, c4 & c5 have to close to ic. 3. d+/clk and d-/data signal line have the short trace to ic. 4. recommend to have ground grid on the pcb periphery. 5. components in dotted line are used for emc issue. pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
tel:86-755-8835 3502/03/04 fax:86-755-8835 3509 website: http://www.lizhiic.com shenzhen lize electronic technology co., ltd date: 10.may. 2013 version: 1.1 page: 7 of7 mx8 732a u+p single chip optical mouse sensor 8. package (dimension in mm) 123456 12 1110987 9. revision history version update date revised content revised by confirmed by v1.0 2011-12-10 original liuxing alan v1.1 2013-5-10 improve the dpi jacke alan pdf ?? "fineprint pdffactory pro" e www.fineprint.com.cn
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