MD82C52/B - CMOS Serial Controller Interface

CMOS Serial Controller Interface

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 pre-scale 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).

A programmable buffered clock output (CO) is available and 

can be programmed to provide either a buffered oscillator or 

16X baud rate clock for general purpose system usage.

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