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ID82C52 - CMOS Serial Controller Interface

General Description

The Intersil 82C52 is a high performance programmable Universal Asynchronous Receiver/Transmitter (UART) and Baud Rate Generator (BRG) on a single chip.

Key Features

  • Single Chip UART/BRG.
  • DC to 16MHz (1M Baud) Operation.
  • Crystal or External Clock Input.
  • On-Chip Baud Rate Generator - 72 Selectable Baud Rates.
  • Interrupt Mode with Mask Capability.
  • Microprocessor Bus Oriented Interface.
  • 80C86 Compatible.
  • Single +5V Power Supply.
  • Low Power Operation.
  • 1mA/MHz Typ.
  • Modem Interface.
  • Line Break Generation and Detection.
  • Operating Temp.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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82C52 March 1997 CMOS Serial Controller Interface Description The Intersil 82C52 is a high performance programmable Universal Asynchronous Receiver/Transmitter (UART) and Baud Rate Generator (BRG) on a single chip. Utilizing the Intersil advanced Scaled SAJI IV CMOS process, the 82C52 will support data rates up to 1M baud asynchronously with a 16X clock (16MHz clock frequency). The on-chip Baud Rate Generator can be programmed for any one of 72 different baud rates using a single industry standard crystal or external frequency source. A unique prescale divide circuit has been designed to provide standard RS-232-C baud rates when using any one of three industry standard crystals (1.8432MHz, 2.4576MHz, or 3.072MHz).