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ICM7245 - 8-Character 16-Segment Microprocessor Compatible LED Display Decoder Driver

Description

SIGNAL D0 - D5 CS WR MODE PIN 4 thru 9 10 13 29 6-Bit ASCll Data input pins (active high).

Chip Select from µP address decoder, etc.

WRite pulse input pin (active low).

Features

  • Single supply +3.3V operation.
  • 16-Segment fonts with decimal point.
  • Up to 8 character display driver.
  • Has internal pull-up resistors of 136Ω Typical.
  • 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.
  • Character and segment driver.

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Full PDF Text Transcription

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8-Character, 16-Segment, Microprocessor Compatible, LED Display Decoder Driver ICM7245 The ICM7245 is an 8-character, alphanumeric display driver and controller which provides all the circuitry required to interface a microprocessor or digital system to a 16-segment display with internal pull-up resistors. 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, 8x6 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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