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What is UPD78P328?

This electronic component, produced by the manufacturer "NEC", performs the same function as "16/8-BIT SINGLE-CHIP MICROCONTROLLER".


UPD78P328 Datasheet PDF - NEC

Part Number UPD78P328
Description 16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS Integrated Circuit
µPD78P328
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD78P328 is a product provided by replacing the µPD75328's internal mask ROM with one-time
PROM or EPROM.
The one-time PROM version is programmable only once and is useful for small-lot production of many
different products and early development and time-to-market of application sets.
The EPROM version is reprogrammable, and suited for the evaluation of systems.
Functions are described in detail in the following user's manual. Be sure to read it before designing.
µPD78328 User's Manual: IEU-1268
FEATURES
µPD78328 compatible
• For mass-production, the µPD78P328 can be replaced with the µPD78328 incorporating mask ROM
Internal PROM: 16,384 x 8 bits
• Programmable once only (one-time PROM version without window)
• Erasable with ultraviolet rays and electrically programmable (EPROM version with window)
PROM programming characteristics: µPD27C256A compatible
The µPD78P328 is a QTOPTM microcontroller.
Remark QTOP microcontroller is a general term for microcontrollers which incorporates one-time PROM, and
are totally supported by NEC's programming service (from programming to marking, screening, and
verification).
ORDERING INFORMATION
Part Number
µPD78P328CW
µPD78P328GF-3BE
µPD78P328DW
Package
64-pin plastic shrink DIP (750 mils)
64-pin plastic QFP (14 x 20 mm)
64-pin ceramic shrink DIP (750 mils) (with window)
Internal ROM
One-time PROM
One-time PROM
EPROM
Functions common to the one-time PROM and EPROM versions are referred to as PROM functions throughout this document.
The information in this document is subject to change without notice.
Document No. U10209EJ4V0DS00 (4th edition)
(Previous No. IC-2486)
Date Published October 1995 P
Printed in Japan
*The mark shows revised points.
© NEC Corporation 1990

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UPD78P328 equivalent
(2) PROM programming mode (RESET = H, AVDD = L)
• 64-pin plastic shrink DIP (750 mils)
µPD78P328CW
• 64-pin ceramic shrink DIP (750 mils) (with window)
µPD78P328DW
A9
(G)
(L)
OE
CE
(L)
A8
A10
A11
A12
A13
A14
(L)
VSS
(G)
(Open)
RESET
A0
A1
A2
A3
A4
A5
A6
A7
VPP
(L)
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64 VDD
63 AVDD
62
61
60
59
58
(G)
57
56
55
54
53
52 VDD
51
50
49
48
(L)
47
46
45
44
43 D7
42 D6
41 D5
40 D4
39 D3
38 D2
37 D1
36 D0
35 (Open)
34 (L)
33
µPD78P328
Caution The recommended connection of the unused pins in the PROM programming mode are indicated
in parentheses.
L : Connect each pin to VSS via a resistor.
G : Connect the pin to VSS.
Open : Leave the pin unconnected.
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD78P328 electronic component.


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