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UPD78P324

NEC
Part Number UPD78P324
Manufacturer NEC
Description 16-/8-Bit Single-Chip Microcomputers
Published Apr 16, 2005
Detailed Description DATA SHEET µPD78P324, 78P324(A) 16-/8-Bit Single-Chip Microcomputers MOS INTEGRATED CIRCUIT The µPD78P324 is a produc...
Datasheet PDF File UPD78P324 PDF File

UPD78P324
UPD78P324

Overview
DATA SHEET µPD78P324, 78P324(A) 16-/8-Bit Single-Chip Microcomputers MOS INTEGRATED CIRCUIT The µPD78P324 is a product in which the µPD78324’s internal mask ROM is replaced by a one-time PROM or EPROM.
The one-time PROM product, which enables writing only once, is effective for multiple-device small production of sets or early start of mass-production.
The EPROM product, which enables program writing, deletion, and rewriting, is the most suitable for system evaluation.
The µPD78P324(A) is more reliable than the µPD78P324.
The µPD78P324(A) is a product resulting from the µPD78324(A) whose internal mask ROM is replaced by a one-time PROM.
For details of functions, please refer to the following User’s Manual.
Reading this manual is indispensable especially for designing work.
µPD78322 User’s Manual: IEU-1248 FEATURES q µPD78324 compatible • For mass-production, this can be replaced by the µPD78324 incorporated in the mask ROM.
q Minimum instruction run time: 250 ns (with the external clock operating at 16 MHz): µPD78P324 & 78P324(A) 320 ns (with the external clock operating at 12.
5 MHz): µPD78P324(A1) & 78P324(A2) q Internal PROM: 32768 x 8 bits • Writing enabled only once (windowless one-time PROM product) • Elimination by ultraviolet light and electrical rewriting enabled (EPROM product with window): µPD78P324 only q ECC circuit incorporated • High internal PROM content reliablility possible q PROM programming characteristic: µPD27C1001A compatible q QTOPTM microcomputer compatible Remark A QTOP microcomputer is a single-chip microcomputer with one-time PROM for which program writing, marking, screening, and verifying is completely supported by NEC.
APPLICATION FIELDS q µPD78P324: Fields dealing with motor control equipment.
q µPD78P324(A), 78P324(A1), and 78P324(A2): Automotive and transportation equipments, etc.
This document describes the µPD78P324, 78P324(A), µPD78P324(A1), and µPD78P324(A2) as well.
However, unless there are particular differences, the µPD...


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