[Shanghai Systron Microelectronics Co., Ltd]

general description
SMC518 is Shanghai Silicon Microelectronics Co., Ltd. developed high-performance, low-cost 3D mouse dedicated control chip, currently there are A Version, C version, and several versions suitable for control of a variety of semi-optical mouse. The mouse controller supports 3D 3KEY PS / 2 Mouse And 3D 5KEY PS / 2  Mouse two specifications, / 2 Mouse and Microsoft IntelliMouse fully compatible with the IBM PS.