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  NEC Electronic Components Datasheet  

D78P014 Datasheet

UPD78P014

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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD78P014
8-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD78P014 is a member of the µPD78014 subseries of 78K/0 series products. It uses a one-time-programmable
(OTP) ROM or EPROM instead of the mask ROM of the µPD78014.
Because the µPD78P014 can be programmed by users, it is ideally suited for applications involving the evaluation
of systems in development stages, small-scale production of many different products, and rapid development and time-
to-market of a new product.
Detailed information about product features and specifications can be found in the following document. Please
make sure to read this document before starting design.
µPD78014, 78014Y Series User’s Manual : IEU-1343
FEATURES
Pin compatible with mask ROM versions (except VPP pin)
Internal PROM: 32K bytesNote
µPD78P014DW
: Reprogrammable (ideal for system evaluation)
µPD78P014CW, 78P014GC-AB8 : Programmable once only (ideal for small-scale production)
Internal high-speed RAM: 1024 bytesNote
Buffer RAM: 32 bytes
Operable over same supply voltage range as mask ROM version (2.7 to 6.0 V)
Available for the QTOPTM microcomputer
Note The internal PROM and internal high-speed RAM size can be set by means of the memory size switching
register.
Remark The QTOP microcomputer is the general term for a single-chip microcomputer with on-chip one-time
PROM. NEC supports its program writing, marking, screening, and verification.
Differences from mask ROM versions are as follows:
The same memory mapping as on a mask ROM version is possible by setting the memory size
switching register.
There is no function for incorporating pull-up resistors by means of a mask option in P60 to P63
pins.
ORDERING INFORMATION
Part No.
µPD78P014CW
µPD78P014DW
µPD78P014GC-AB8
Package
64-pin plastic shrink DIP (750 mil)
64-pin ceramic shrink DIP (with window) (750 mil)
64-pin plastic QFP (14 × 14 mm)
Internal ROM
One-time PROM
EPROM
One-time PROM
In this document, the common parts of the one-time PROM version and EPROM version are represented by PROM.
Document No. IC-3098C
(O. D. No. IC-8111C)
Date Published January 1995 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows revised points.
© 1992


  NEC Electronic Components Datasheet  

D78P014 Datasheet

UPD78P014

No Preview Available !

5 78K/0 SERIES DEVELOPMENT
µPD78P014
Products in Volume Production
Products under Development
Y subseries are products compatible with I 2C bus.
µ PD78002Y Subseries
µ PD78002 Subseries
64-pin package
µ PD78014Y Subseries
µ PD78014 Subseries
64-pin package
A/D converter,
16-bit timer/event counter,
SIO with automatic transmission/
reception function added
Multiply/divide instructions
added
µ PD78024 Subseries
64-pin package
A/D converter,
16-bit timer/event counter,
FIPTM controller/driver,
multiply/divide instructions
added
µ PD78064Y Subseries
µ PD78064 Subseries
100-pin package
LCD controller/driver,
UART added
16-bit timer/event counter
function enhanced
µ PD78054Y Subseries
µ PD78054 Subseries
80-pin package
UART, D/A converter,
real-time output port added
16-bit timer/event counter
function enhanced
µ PD78018FY Subseries
µ PD78018F Subseries
64-pin package
Capable of low voltage and
high-speed operation
µ PD78078Y Subseries
µ PD78078 Subseries
100-pin package
8-bit timer/event counter
added
External expansion function
enhanced
µ PD78098 Subseries
80-pin package
IEBuscontroller added
µ PD78083 Subseries
42/44-pin package
UART, A/D converter,
8-bit timer/event counter
function
µ PD780208 Subseries
µ PD78044A Subseries
µ PD78044 Subseries
100-pin package
FIP controller/driver function
enhanced
80-pin package
Automatic transmission/reception
function added
6-bit up/down counter added
FIP controller/driver function
enhanced
2


Part Number D78P014
Description UPD78P014
Maker NEC
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