DATA SHEET
MOS INTEGRATED CIRCUIT
mPD78P368A
16/8 BIT SINGLE-CHIP MICROCOMPUTER
The mPD78P368A is produced by replacing the internal mask ROM of the mPD78366A with a one-time PROM
or EPROM. One-time PROM products, in which data can be written once are effective for manufacture of small
quantities of multiple products and early stage start-up of application. EPROM products, to which programs can
be re-written after previously written programs have been erased, are suited for system evaluation.
The following user's manual describes the details of functions. Be sure to read it before design.
mPD78366A User's Manual, Hardware: U10205E
mPD78356 User's Manual, Instructions:IEU-1395
FEATURES
• Compatible with the mPD78366A
• Can be replaced with the mPD78366A containing mask ROM on a full-production basis.
• Internal PROM: 48K bytes
• Data can be written once (one-time PROM product without an erasure window)
• Written data can be erased by exposure to ultraviolet light and re-written electrically (EPROM product with an
erasure window)
• PROM programming characteristics: Compatible with the mPD27C1001A
• QTOPTM microcomputer
Remark The QTOP microcomputer is a single-chip microcomputer with a built-in one-time PROM that is totally
supported by NEC. The support includes writing application programs, marking, screening, and
verification.
ORDERING INFORMATION
Part number
Package
Internal ROM
mPD78P368AGF-3B9
mPD78P368AKL-SNote
80-pin plastic QFP (14 ¥ 20 mm)
80-pin ceramic WQFN
One-time PROM
EPROM
Note Under development
In this manual, the description of the PROM is for both a one-time PROM and EPROM.
The information in this document is subject to change without notice.
Document No. U11373EJ1V0DS00 (1st edition)
The mark H shows major revised points.
(Previous No. IP-3680)
Date Published June 1996 P
Printed in Japan
1990
1996
©