TK65C51 ACIA

General Description

The TK65C51 asynchronous communications interface (CMOS) adapter provides interfacing 6500/6800 microprocessors to serial commun-ication data sets and modems with a variety of multipurpose features. For instance, the TK65C51 features an internal baud rate generator with a full range of programmable baud rates (50 to 19,200 baud) originating from a single standard 1.8432 MHz external crystal. The product also comes with an external 16X clock input for nonstandard baud rates up to 125,000 baud. Not only does the TK65C51 encompass powerful communications control features, but it also integrates Tekmos’ prevailing CMOS technology, including greater reliability, increased noise immunity, and significantly reduced power consumption.

Features

CMOS low power process technology
15 programmable baud rates of 50—19,200 baud
Adjustable interrupt and condition code registers
Serial echo mode
False start bit deletion
External 16X clock input for nonstandard baud rates (up to 125,000 baud)
Programmable: stop bit number, data word lengths, and parity bit generation and detection
Full and half-duplex operational modes
Transmission rates from 5 – 9 bits
Parity: (odd, even, none, mark, space)
Operating rates from 1 – 4 MHz
Data set/modem control functions included

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Minimum Order Quantity

We will continue to sell the TK65C51 parts with a MOQ of 100 units as long as we have inventory in stock. Once that inventory is gone, then minimum order quantities will increase to 5000 parts per order.

Documentation

The data sheet is available here: TK65C51

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Microprocessors

Main Office

Tekmos, Inc.
14121 Highway 290 West
Building #15
Austin, TX 78737
Phone: (512) 342-9871