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PDF UPD78P324 Data sheet ( Hoja de datos )

Número de pieza UPD78P324
Descripción 16-/8-Bit Single-Chip Microcomputers
Fabricantes NEC 
Logotipo NEC Logotipo



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No Preview Available ! UPD78P324 Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD78P324, 78P324(A)
16-/8-Bit Single-Chip Microcomputers
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 µPD78P324 is described as a representative product. PROM is
the representative term used for the part common to both the one-time PROM product and the EPROM
product.
Document No. IC-2857
(O. D. No. IC-8315)
Date Published January 1995 P
Printed in Japan
The information in this document is subject to change without notice.
©
1991, 1995

1 page




UPD78P324 pdf
(b) 68-pin plastic QFJ(s 950 mil); 68-pin ceramic WQFN
µPD78P324, 78P324(A)
P30/TXD
P31/RXD
P32/SO/SB0
P33/SI/SB1
P34/SCK
P80/TO00
P81/TO01
P82/TO02
P83/TO03
P84/TO10
P85/TO11
RESET
X2
X1
VSS
WDTO
RTP0/P00
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10 60
11 59
12 58
13 57
14 56
15 55
16 µPD78P324LP
54
17 µPD78P324KC
53
18 µPD78P324LP(A)
52
19 µPD78P324LP(A1)
51
20 µPD78P324LP(A2)
50
21 49
22 48
23 47
24 46
25 45
26 44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
P71/AN1
P70/AN0
AVSS
VDD
P57/A15
P56/A14
P55/A13
P54/A12
P53/A11
P52/A10
P51/A9
P50/A8
P47/AD7
P46/AD6
P45/AD5
P44/AD4
P43/AD3
Remark Pin-compatible with µPD78324LP.
5

5 Page





UPD78P324 arduino
µPD78P324, 78P324(A)
1. LIST OF PIN FUNCTIONS
1.1 NORMAL OPERATION MODE
(1) Port pins
Pin Name
P00-P07
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P40-P47
P50-P57
P70-P77
P80
P81
P82
P83
P84
P85
P90
P91
P92
P93
I/O Function
Port 0.
I/O
8-bit I/O port.
I/O specifiable per bit.
(Operable as a real-time output port as well.)
Input
Port 2.
8-bit input-only port.
Port 3.
I/O 5-bit I/O port.
I/O specifiable per bit.
I/O
I/O
Input
Port 4.
8-bit I/O port.
I/O specifiable in units of eight bits.
Port 5.
8-bit I/O port.
I/O specifiable per bit.
Port 7.
8-bit input-only port.
Port 8.
I/O 6-bit I/O port.
I/O specifiable per bit.
Port 9.
I/O 4-bit I/O port.
I/O specifiable per bit.
Shared Pin Name
RTP0-RTP7
NMI
INTP0
INTP1
INTP2
INTP3
INTP4
INTP5
INTP6/TI
TXD
RXD
SO/SB0
SI/SB1
SCK
AD0-AD7
A8-A15
AN0-AN7
TO00
TO01
TO02
TO03
TO10
TO11
RD
WR
TAS
TMD
11

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