UPD75238GJ NEC [NEC], UPD75238GJ Datasheet

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UPD75238GJ

Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
Document No.
Date Published
Printed in Japan
ELECTRON DEVICE
(O.D. No.
processing, ROM, RAM, and I/O ports. In addition, it contains a fluorescent display tube (FIP
A/D converter, clock timer, timer/pulse generator capable of 14-bit PWM output, serial interface, and vectored
interrupt function.
in such peripheral facilities as the display function of the FIP controller/driver, I/O ports, A/D converter, serial
interface.
type, configuration of one-chip system control microcomputer, advanced CD player, advanced microwave
ovens, etc.
IE-75001-R and assemblers are available. They can be used for evaluation during system development and
small-volume production.
FEATURES
ORDERING INFORMATION
The PD75238 is a single-chip microcomputer which contains a CPU capable of 1-, 4-, and 8-bit data
In comparison with the PD75217, the PD75238 has larger ROM and RAM capacity and has been enhanced
The PD75238 finds best use in such applications as timer/tuner of VCRs from advanced type to common
With the PD75238, the PD75P238, which is a PROM product, and various development tools including
Mass-storage built-in ROM and RAM
• Program memory (ROM) : 32K
• Data memory (RAM)
I/O port: 64 lines (excluding pins dedicated
to FIP)
Minimum instruction execution time:
0.67 s (at 6.0 MHz)
Instruction execution time specification func-
tion to allow a wide range of operating
voltages
Programmable FIP controller/driver contained
• Number of segments : 9 to 24 segments
• Number of digits
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.
IC-2777A
IC-8177A)
February 1993 P
PD75238GJ-
Part number
-5BG
Major changes in this revision are indicated by stars ( ) in the margins.
4 BIT SINGLE-CHIP MICROCOMPUTER
The information in this document is subject to change without notice.
: 9 to 16 digits
: 1K
4
8
94-pin plastic QFP (20
DATA SHEET
Package
8-bit A/D converter: 8 channels
Enhanced timer/counter function: 5 channels
8-bit serial interface: 2 channels
Application-oriented interrupt functions
PROM version device:
MOS INTEGRATED CIRCUIT
20 mm)
PD75P238
PD75238
Quality grade
© NEC Corporation 1992
;
Standard
) controller/driver,

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