• Part: UPD8279-5
  • Description: PROGRAMMABLE KEYBOARD/DISPLAY INTERFACE
  • Manufacturer: NEC
  • Size: 479.83 KB
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Datasheet Summary

NEe Microputers, Inc. NEe fLPD8279- 5 PROGRAMMABLE KEYBOARD/DISPLAY INTERFACE DESCR IPTION The ~PD8279-5 is a programmable keyboard and display Input/Output device. It provides the user with the ability to display data on alphanumeric segment displays or simple indicators. The display RAM can be programmed as 16 x 8 or a dual 16 x 4 and loaded or read by the host processor. The display can be loaded with right or left entry with an auto-increment of the display RAM address. The keyboard interface provides a scanned signal to a 64 contact key matrix expandable to 128. General sensors or strobed keys may also be used_ Keystrokes are stored in an 8 character FIFO and can be either 2...