
Holtek Semiconductor
General Description
This device is an 8-bit high performance peripheral in terface IC, designed for multiple I/O products and multimedia applications. It supports interface to a low speed PC with multimedia keyboard or wireless keyboard in Windows 95, Windows 98 or Windows 2000 environ ment. A HALT feature is included to reduce power consumption.
The mask version HT82K68A-L is fully pin and functionally compatible with the OTP version HT82K68E-L device.
FEATUREs
Operating voltage: 1.8V~5.5V
34 bidirectional I/O line and 3 CMOS output
One 8-bit programmable timer counter with overflow interrupts
Crystal or RC oscillator
Watchdog Timer
3K16 program EPROM
1608 data RAM
One external interrupt pin (shared with PC2)
2.0V LVR by option (default disable)