w S a SMC520 at .D w v3.20 w 2004/03/29 e e h .
ETC
SMC520 - SMC520
w S a SMC520 at .D w v3.20 w 2004/03/29 e e h U 4 t m o .c Shanghai Systron Microelectronics Co., Ltd. w w w t a .D S a e h U 4 t .
SHANGHAI BELLING
SMC520 - 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、PAN301BOI-204/208 。SMC520 ， ，.