ETL9345 - 4-BIT NMOS MICROCONTROLLERS

Datasheet Summary

Description

The ETL9444/L9445 and ETL9344/L9345 SingleChip N-Channel Microcontrollers are fully compatible with the COPS® family, fabricated using N-channel, silicon gate XMOS technology.

Features

include single supply operation, a variety of output configuration options, with an instruction set, internal architecture and I/O scheme designed to facilitate keyboard input, display output and BCD data manipulation. The ETL9445 is identical to the ETL9444, except with 19 I/O lines instead of 23 : They are an appropriate choice for use in numerous human interface control environments. Standard test procedures and reliable high-density fabrication techniques provide the medium to large volume c.

STMicroelectronics

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Datasheet Details

Part number	ETL9345
Manufacturer	STMicroelectronics
File Size	321.50 KB
Description	4-BIT NMOS MICROCONTROLLERS
Datasheet	ETL9345 Datasheet
Additional preview pages of the ETL9345 datasheet.

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Full PDF Text Transcription

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ETL9444/ETL9445 ETL9344/ETL9345 4-BIT NMOS MICROCONTROLLERS . . . . . . . . . . . . . . . . . . LOW COST POWERFUL INSTRUCTION SET 2k x 8 ROM, 128 x 4 RAM 23 I/O LINES (ETL9444) TRUE VECTORED INTERRUPT, PLUS RESTART THREE-LEVEL SUBROUTINE STACK 16µs INSTRUCTION TIME SINGLE SUPPLY OPERATION (4.5-6.3V) LOW CURRENT DRAIN (13mA max.) INTERNAL TIME-BASE COUNTER FOR REALTIME PROCESSING INTERNAL BINARY COUNTER REGISTER WITH MICROWIRE® SERIAL I/O CAPABILITY GENERAL PURPOSE AND TRI-STATE® OUTPUTS LSTTL/CMOS COMPATIBLE IN AND OUT DIRECT DRIVE OF LED DIGIT AND SEGMENT LINES SOFTWARE/HARDWARE COMPATIBLE WITH OTHER MEMBERS OF ET9400 FAMILY EXTENDED TEMPERATURE RANGE DEVICES ETL9344/L9345 (– 40°C to + 85°C) WIDER SUPPLY RANGE (4.5 – 9.

Published: Mar 30, 2005 |