General Description
The HT82K68A is an 8-bit high performance peripheral interface 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 environment. A HALT feature is included to reduce power consumption.

FEATUREs
Operating voltage: 2.2V~5.5V
32/34 bidirectional I/O lines
One 8-bit programmable timer counter with overflow interrupts
Crystal or RC oscillator
Watchdog Timer
3K16 program ROM
1608 data RAM
One external interrupt pin (shared with PC2)
2.4V LVR by option (default disable)
HALT function and wake-up feature reduce power consumption
Six-level subroutine nesting
Bit manipulation instructions
16-bit table read instructions
63 powerful instructions
All instructions in 1 or 2 machine cycles
20/28-pin SOP, 48-pin SSOP package