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參數(shù)資料
| 型號(hào)： | UPD75238GJ |
| 廠商： | NEC Corp. |
| 英文描述： | 4 BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁(yè)數(shù)： | 1/190頁(yè) |
| 文件大?。?/td> | 1702K |
| 代理商： | UPD75238GJ |
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Document No.
(O.D. No.
Date Published
Printed in Japan
IC-2777A
IC-8177A)
February 1993 P
The information in this document is subject to change without notice.
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD75238
4 BIT SINGLE-CHIP MICROCOMPUTER
The
μ
PD75238 is a single-chip microcomputer which contains a CPU capable of 1-, 4-, and 8-bit data
processing, ROM, RAM, and I/O ports. In addition, it contains a fluorescent display tube (FIP
;
) controller/driver,
A/D converter, clock timer, timer/pulse generator capable of 14-bit PWM output, serial interface, and vectored
interrupt function.
In comparison with the
μ
PD75217, the
μ
PD75238 has larger ROM and RAM capacity and has been enhanced
in such peripheral facilities as the display function of the FIP controller/driver, I/O ports, A/D converter, serial
interface.
The
μ
PD75238 finds best use in such applications as timer/tuner of VCRs from advanced type to common
type, configuration of one-chip system control microcomputer, advanced CD player, advanced microwave
ovens, etc.
With the
μ
PD75238, the
μ
PD75P238, which is a PROM product, and various development tools including
IE-75001-R and assemblers are available. They can be used for evaluation during system development and
small-volume production.
FEATURES
Mass-storage built-in ROM and RAM
Program memory (ROM) :
Data memory (RAM)
I/O port: 64 lines (excluding pins dedicated
to FIP)
Minimum instruction execution time:
0.67
μ
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:
Number of digits
32K
×
8
1K
×
4
:
9 to 24 segments
9 to 16 digits
:
ORDERING INFORMATION
Part number
Package
Quality grade
μ
PD75238GJ-
×××
-5BG
94-pin plastic QFP (20
×
20 mm)
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.
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:
μ
PD75P238
Major changes in this revision are indicated by stars (
#
) in the margins.
ELECTRON DEVICE
NEC Corporation 1992
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