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UPD78P322GJ Datasheet PDF : 56 Pages
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DATA SHEET
MOS Integrated Circuit
µPD78P322
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD78P322 is a version provided by replacing the µPD75322's internal mask ROM with one-time PROM
or EPROM.
Because the one-time PROM version is programmable only once by users, it is ideally suited for small-scale
production of many different products, and rapid development and time-to-market of application sets.
The EPROM version is reprogrammable, and suited for the evaluation of systems.
The µPD78P322K, which is the EPROM version, does not maintain planned reliability when
used in mass-produced products. Please use only experimentally or for evaluating functions
during trial manufacture.
Functions are described in detail in the following user's manual. Be sure to read it for designing.
µPD78322 User's Manual: IEU-1248
FEATURES
• µPD78322 compatible
• For mass-production, the µPD78P322 can be replaced with the µPD78322 which incorporates mask
ROM
• Internal PROM: 16,384 × 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 incorporate one-time PROM, and
are totally supported by NEC's programming service (from programming to marking, screening, and
verification).
ORDERING INFORMATION
Part Number
Package
µPD78P322GF-3B9
µPD78P322GJ-5BJ
µPD78P322L
µPD78P322K
µPD78P322KC
µPD78P322KD
80-pin plastic QFP (14 × 20 mm)
74-pin plastic QFP (20 × 20 mm)
68-pin plastic QFJ (950 × 950 mils)
80-pin ceramic WQFN
68-pin ceramic WQFN
74-pin ceramic WQFN
Internal ROM
One-time PROM
One-time PROM
One-time PROM
EPROM
EPROM
EPROM
Quality Grade
Standard
Standard
Standard
Not applicable
Standard
Standard
Please refer to "Quality grade on NEC Semiconductor Devices" (Document number IEI-1209) published by NEC Corporation to know the
specification of quality grade on the devices and its recommended applications.
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. U10435EJ5V0DS00 (5th edition)
(Previous No. IC-2485)
Date Published December 1995 P
Printed in Japan
* The mark shows revised points.
©
©
1991
1994
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