General Description
The HT6513B is specially designed for PnP compatible mouse controller. Capable of driving up
to 3 key-switches and 4 photo-couplers (optomechanical mouse) directly into a standard RS-232C line, and it can be operated without an external power supply. It is compatible with both M+ and Mouse systems with false entries being prevented by internal debounce circuits.
FEATUREs
Supports optomechanical mouse
In M+ mode, compatible with Plug and Play
Fit a defined Windows 95 class name in M+ mode
Uses 32.768kHZ crystal
Crystal oscillator circuits on chip
1200/9600 baud rate serial output
Power directly from RS-232C without external power supply
Three key-switches and four photo-coupler inputs
Compatible with both M+ and Mouse systems
Microsoft system mode with middle key supported
Mouse mode (M+/PC) changeable during power on reset
RXDwith heavy NMOS open drain output