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SMC520

SHANGHAI BELLING

PS/2 normal 3D mouse controler

www.DataSheet4U.com PS/23DSMC520 PS/2 3D SMC520 1. SMC520 、 3D 3KEY PS/2 。( ), HDNS2000、ADNS-2051、PAN101BSI-204/208、...


SHANGHAI BELLING

SMC520

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www.DataSheet4U.com PS/23DSMC520 PS/2 3D SMC520 1. SMC520 、 3D 3KEY PS/2 。( ), HDNS2000、ADNS-2051、PAN101BSI-204/208、PAN301BOI-204/208 。SMC520 , , 300CPI 600CPI 。 2. ● IBM PS/2 Mouse Microsoft IntelliMouse ● IBM PS/2 Mouse 、、、, ● PS/2 Mouse , IBM PC ● , ● Vth Auto Switching ,、 (Threshold Voltage, Vth), ,, ● , ● RC , 6MHz ● (Tracking Speed) 20000 dps ● , IC , ● , ● 2 ,, 3. http://www.belling.com.cn -1Total 12 Pages 8/24/2006 Wrote by dipeng PS/23DSMC520 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Z2 CLK DATA GND R M L A/C Y2 Y1 X2 X1 VDD OSCOUT OSCIN Z1 I I/O I/O I I I I I I I I O I I CLK DATA ( A , C ) 5V 5. 5.1 A C , PIN8 。 PIN8 , A ,( 2 ) , 300cpi , 600cpi 。 PIN8 , C ,。 ,, C 。 http://www.belling.com.cn -2Total 12 Pages 8/24/2006 Wrote by dipeng PS/23DSMC520 5.2 SMC520 (1) RC ,, R1 PIN13 PIN15 * 。 R1 9.1K。 PCB * ,, R1 。() , * R1 ,: , PIN14 , 1.50MHz~1.55 MHz , (, ) 。 。 * , Mouse_IC >15%,, R1 ,,。 (2) SMC520 A ,, ,、。, ,,, 。( 400dpi ) ,,、, SMC520C 。 (3) 3D ,(Detent) (pulse/360°),: 24 Detents;12 pulses/360° (4) PCB , COM () A , COM , ,,。 * http://www.belling.com.cn -3Total 12 Pages 8/24/2006 Wrote by dipeng PS/23DSMC520 6. Symbol VDD IDD ISTB ILEAKH ILEAKL VIL VIH IOL IOH RPL1 RPL2 RPH Parameter Operating Voltage Operating Current Stand-by Current Input high level leakage Input low level leakage Input low level voltage Input high level voltage Output low level voltage Output high level voltage Pull-low resistan...




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