Intel™ 8279 Programmable Keyboard/Display Interface Device
Overview
The AL8279 core is the VHDL model of the Intel™ 8279 Programmable Keyboard/Display Interface device designed for use with Intel microprocessors. The keyboard portion provides a scanned interface to 64-contact key matrix while the display portion provides an interface for popular display technologies (e.g. LED).
Key Features
- Functionally based on the Intel 8279 device
- Simultaneous keyboard display operations
- Scanned keyboard and sensor modes
- Strobed input entry mode
- 8-character keyboard FIFO
- 2-key lockout or N-key rollover with contact debounce
- Dual 8- or 16-numerical display
- Single 16-character display RAM
- Programmable scan timing and mode
- Interrupt output on key entry
Technical Specifications
Availability
Now
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