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HT82K68E -- Multimedia Keyboard Encoder 8-Bit
OTP MCU
General Description
The HT82K68E is an 8-bit high performance
peripheral interface IC, designed for multiple I/O product 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.
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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
- 3Kx16 program EPROM
- 160x8 data RAM
- One external interrupt pin (shared with PC2)
- Has 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
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