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SC83702 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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SC83702 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 10 page  Silan Semiconductors SC83702 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 1 ALL IN ONE MOUSE CONTROLLER DESCRIPTION The SC83702 Mouse Controller is specially designed to control mouse device. This single chip can interface three key-switches and four photo-couple direct to RS-232C. The SC83702 does not need any external power supply, so the mouse can go without a power line. It is versatile with both microsoft and mouse system. Debouncing circuit were provided to prevent false entry and to improve the accuracy. In 1200 baud rate non-auto speed with 200 DPI wheels and photo-couples, the scanning is 650mm/sec without missing a dot in microsoft mode, and the scanning speed can up to 770mm/sec in mouse system mode. FEATURES *Built-in two zener diode between VDD and VSS, RTS and VDD *Built-in noise immunity circuit *CMOS DIP 16 pins package&SOP 16 pins package *Low power dissipation *Use 32.768KHz crystal or 3.58MHz resonator *Oscillator circuits on-chip *Serial output in 1200 baud rate *Can be powered directly from RS-232C *Can drive directly to RS-232C *Three key-switches and four photo-couples inputs *Both key-in and key-release debounce interval 13ms DIP-16 SOP-16 *Through three key-switches input, SC83702 can exert seven different output *The sampling rate of motion detector is 65KHz APPLICATIONS *Optical mouse or pen-mouse *Mechanical mouse or pen-mouse *Optomechanical mouse or pen-mouse *Mechanical track ball *Optomechanical track ball PIN CONFIGURATIONS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SC83702A 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SC83702B RS MS OSCI OSCO RTS RXD VSS R RS OPT MS OSCI OSCO RTS RXD VSS VDD OPT Y2 Y1 X2 X1 L M Y2 Y1 X2 X1 L M R VDD |
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