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Keyboard Controller IP

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Compare 3 Keyboard Controller IP from 3 vendors (1 - 3)
  • Intel 8279 Functional Equivalent Programmable Keyboard/Display Interface
    • The DB8279 Programmable Keyboard / Display Interface core is a full function equivalent to the Intel 8279 / Mitsubishi 8279 / NEC uPD8279 devices.
    • The DB8279 simultaneously and independently interface a keyboard and display to a microprocessor. The keyboard section provides a scanned interface to a 64-contact key matrix keyboard. The display section contains a 16x8 display RAM which refreshes a numeric or alphanumeric segment display.
    Block Diagram -- Intel 8279 Functional Equivalent Programmable Keyboard/Display Interface
  • PS/2 Keyboard controller, fully configurable
    • PS/2 core is used to communicate with either keyboard or mouse device
    • PS/2 core can be configured to use single or dual connection signals within the same core
    • AHB or WISHBONE SoC Interconnection Rev B compliant interface
    • PS/2 can operate in pooling or interrupt mode
    Block Diagram -- PS/2 Keyboard controller, fully configurable
  • 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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