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Simultaneous Keyboard Display Operation
Scanned Keyboard Mode
Scanned Sensor Mode
Strobed Input Entry Mode
8-Character Keyboard FIFO
2-Key Lockout or N-key Rollover with Contact Debounce
Dual 8- or 16-Numeric Display
Single 16-Character Display
Right or Left Entry 16-Byte Display RAM
Mode Programmable from CPU
Interrupt Scan Timing
Interrupt Output on Key Entry
Functionality based on the Intel 8279
CAST, Inc.
March 2004
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