8279 IP
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Intel™ 8279 Programmable Keyboard/Display Interface Device
- Functionally based on the Intel 8279 device
- Simultaneous keyboard display operations
- Scanned keyboard and sensor modes
- Strobed input entry mode
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Power On Reset (POR)
- Start-Up Reset:
- Voltage Monitoring:
- Failure Detection:
- Safe Operation:
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Programmable Keyboard / Display Interface
- Simultaneous and independent scanning of a keyboard and refresh of a display, significantly offloading these functions from the microprocessor.
- Keyboard section:
- 8-character Keyboard FIFO.
- 2-Key Lockout or N-key Rollover with Contact Debounce.