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HT6513 Scheda tecnica(PDF) 1 Page - Holtek Semiconductor Inc |
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HT6513 Scheda tecnica(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 8 page ![]() HT6513 Mouse Controller Pin Assignment Features • Low power dissipation • Use 32.768KHz crystal • Crystal oscillator circuits on-chip • 1200 baud rate serial output • Power directly from RS-232C without exter- nal power supply • Three key-switches and four photo-couples inputs • Key-in and key-release debounce interval 52 ms • The HT6513 can execute two different outputs with any of the key-switch inputs • RXD with heavy NMOS output General Description The HT6513 is a specially designed CMOS IC for mouse control applications. Capable of driv- ing up to 3 key-switches and 4 photo-couplers directly into a standard RS-232C line, and it can be operated without an external power sup- ply. It is compatible with both Microsoft and Mouse systems with false entries being pre- vented by internal debounce circuits. 1 23rd Oct ’96 |
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