6402 - Universal asynchronous receiver transmitter
to a high i m p e d a n c es t a t e .
DRR Data received reset - a low level on this input clears Data receivedoutput (DR)to a low level thereby permitting the next characterto be receivedwithout an overrunerror.
MR Master reset- a high level clearsthe PE, FE,OE, DR, and TREstatusflags and sets t
data lssuedMarch 19854W Universalasynchronousreceiver transmitter ilOz and il02-1 Stock numbers 309-284and 304-12t4 The RS Universal asynchronousreceivertrans- mitters, UARTS are designed for interfacing an asynchronousserial data channeland a parallel data channel.
The devicescan be used in a wide range of applicationsincludingmodems,printers, peripheralsand remote dataacquisitionsystems.
The transmitter convertsparalleldata into serial form and automaticallyadds start,parity and stop
6402 Features
* O Two speed options up to 1 MHzMO2or 2 MHz 6402-1 O Low power- lessthan10mW at 2MHz O Programmableword length,stop bits and parity O Automatic data formatting and statusgeneration O CMOSand LSTTLcompatible. PIN CONNECTIONS Absolutemaximumratings Operatingtemperaturerange- -40"C to
* 85"C Stora
