shenzhen shenzhen shenzhen shenzhen lize lize lize lize electronic electronic electronic electronic technology technology technology technology co., co., co., co., ltd ltd ltd ltd specification specification specification specification mx8 mx8 mx8 mx8 732 732 732 732 usb/ps2 usb/ps2 usb/ps2 usb/ps2 single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor version version version version 1.0 1.0 1.0 1.0
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 2 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor table table table table of of of of contents contents contents contents 1. 1. 1. 1. general general general general description description description description ................................................................................................................. ................................................................................................................. ................................................................................................................. ................................................................................................................. 3 3 3 3 2. 2. 2. 2. features features features features ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... 3 3 3 3 3. 3. 3. 3. pin pin pin pin assignment assignment assignment assignment ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... 4 4 4 4 4. 4. 4. 4. absolute absolute absolute absolute maximum maximum maximum maximum rating rating rating rating ..................................................................................................... ..................................................................................................... ..................................................................................................... ..................................................................................................... 6 6 6 6 5. 5. 5. 5. electrical electrical electrical electrical characteristic characteristic characteristic characteristic ......................................................................................................... ......................................................................................................... ......................................................................................................... ......................................................................................................... 6 6 6 6 6. 6. 6. 6. dc dc dc dc electrical electrical electrical electrical characteristic characteristic characteristic characteristic .................................................................................................. .................................................................................................. .................................................................................................. .................................................................................................. 6 6 6 6 7. 7. 7. 7. application application application application circuit circuit circuit circuit ................................................................................................................... ................................................................................................................... ................................................................................................................... ................................................................................................................... 7 7 7 7 8. 8. 8. 8. package package package package (dimension (dimension (dimension (dimension in in in in mm/inch) mm/inch) mm/inch) mm/inch) ........................................................................................ ........................................................................................ ........................................................................................ ........................................................................................ 8 8 8 8 9. 9. 9. 9. revision revision revision revision history history history history ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... 8 8 8 8
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 3 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor 1. 1. 1. 1. g g g g eneral eneral eneral eneral description description description description the MX8732 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. 2. 2. 2. f f f f eatures eatures eatures eatures 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 low emi radiation supports 3d (x, y, z) input supports 3 buttons and mechanical wheel encoding option for sensor angular rotation (0 degree, 9 0 degrees or 18 0 degrees)
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 4 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor 3. 3. 3. 3. p p p p in in in in assignment assignment assignment assignment chart 1 pin pin pin pin assignment assignment assignment assignment pin pin pin pin no. no. no. no. symbol symbol symbol symbol i/o i/o i/o i/o function function function function 1 lb i left button input 2 xyled o led control (sink current) 3 s_rot i option for sensor clockwise rotation angle. 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 1 0 mb i middle button input 1 1 z2 i z axis input 1 1 2 z1 i z axis input 2 note note note note : 1. sensor angular rotation is 0 degrees while s_rot is under input floating state; 2. sensor angular rotation is 90 degrees while s_rot is connected to vdd; 3. sensor angular rotation is 180 degree while s_rot is connected to gnd.
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 5 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor chart 2 p p p p ackage ackage ackage ackage pin pin pin pin o o o o ut ut ut ut at at at at 0 0 0 0 ? ? ? ? chart 3 p p p p ackage ackage ackage ackage pin pin pin pin o o o o ut ut ut ut at at at at 18 18 18 18 0 0 0 0 ? ? ? ? chart 4 p p p p ackage ackage ackage ackage pin pin pin pin o o o o ut ut ut ut at at at at 9 9 9 9 0 0 0 0 ? ? ? ?
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 6 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor 4. 4. 4. 4. absolute absolute absolute absolute maximum maximum maximum maximum rating rating rating rating symbol symbol symbol symbol min. min. min. min. max. max. max. max. unit unit unit unit operating temperature 0 70 o c storage t emperature C 65 150 o c input voltage C 0.5 6.0 v output voltage C 0.5 6.0 v 5. 5. 5. 5. electrical electrical electrical electrical characteristic characteristic characteristic characteristic test condition: t = 25 o c, vdd=5.0v, vss=0v 6. 6. 6. 6. dc dc dc dc electrical electrical electrical electrical characteristic characteristic characteristic characteristic (t=25 , vdd=5v, vss=0v) symbol symbol symbol symbol parameter parameter parameter parameter condition condition condition condition min min min min type type type type max max max max unit unit unit unit 3.3v 3.3v 3.3v 3.3v regulator regulator regulator 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 mcu mcu mcu operation operation operation operation iil input leakage current for input pins vin=vdd, vss - - 1 ua icc vdd operating supply output pins - - 10 ma parameters parameters parameters parameters sym. sym. sym. sym. min. min. min. min. typ. typ. typ. typ. max. max. max. max. unit unit unit unit operating voltage vdd 4.5 5.0 5.5 v operating current (normal operation) iop - - 10 ma operating current (sleep mode) isleep - 6.0 - m a usb suspend current isuspend - - 32 0 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 70 0 - - s
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 7 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor current normal frequency operation mode floating usb usb usb usb interface interface interface interface voh static output high usb operation mode 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 3.0 - 3.6 v 7. 7. 7. 7. application application application application circuit circuit circuit circuit note: note: note: note: 1. c3, 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 c1, c2, 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 . 6. MX8732 has an option for sensor clockwise angular rotation (0 degree, 90 degrees, 180 degrees).
t el :86-755-8835 3502/03/04 f ax :86-755-8835 3509 website:http://www.lizhiic.com shenzhen lize electronic technology co., ltd da te: 1 9 . apr . 20 1 1 version: 1 . 0 page: 8 of 8 mx8 mx8 mx8 mx8 732 732 732 732 u+p u+p u+p u+p single single single single chip chip chip chip optical optical optical optical mouse mouse mouse mouse sensor sensor sensor sensor 8. 8. 8. 8. package package package package (dimension (dimension (dimension (dimension in in in in mm/ mm/ mm/ mm/ inch inch inch inch ) ) ) ) 1 2 3 4 5 6 12 11 10 9 8 7 9. 9. 9. 9. revision revision revision revision history history history history version version version version update update update update date date date date revised revised revised revised content content content content revised revised revised revised by by by by confirmed confirmed confirmed confirmed by by by by v1.0 2011-4-19 o riginal liuxing alan
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