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ICM7243 - LED Display Decoder Driver

Description

The ICM7243 is an 8-character, alphanumeric display driver and controller which provides all the circuitry required to interface a microprocessor or digital system to a 14-segment or 16-segment display.

Features

  • 14-Segment and 16-Segment Fonts with Decimal Point.
  • Mask Programmable for Other Font-Sets Up to 64 Characters.
  • Microprocessor Compatible.
  • Directly Drives LED Common Cathode Displays.
  • Cascadable Without Additional Hardware.
  • Standby Feature Turns Display Off; Puts Chip in Low Power Mode.
  • Sequential Entry or Random Entry of Data Into Display.
  • Single +5V Operation.
  • Character and Segment Drivers, All MUX Scan Circuitry,.

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Full PDF Text Transcription

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ICM7243 August 1997 8-Character, MicroprocessorCompatible, LED Display Decoder Driver Description The ICM7243 is an 8-character, alphanumeric display driver and controller which provides all the circuitry required to interface a microprocessor or digital system to a 14-segment or 16-segment display. It is primarily intended for use in microprocessor systems, where it minimizes hardware and software overhead. Incorporated on-chip are a 64-character ASClI decoder, 8 x 6 memory, high power character and segment drivers, and the multiplex scan circuitry. 6-bit ASCll data to be displayed is written into the memory directly from the microprocessor data bus. Data location depends upon the selection of either Sequential (MODE = 1) or Random access mode (MODE = 0).
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