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參數資料
| 型號： | UPD75048CW |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機 |
| 文件頁數： | 1/68頁 |
| 文件大小： | 538K |
| 代理商： | UPD75048CW |
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The mark
#
shows major revised points.
Document No.
(O. D. No.
Date Published February 1994 P
Printed in Japan
IC - 2518C
IC - 7931C)
NEC Corporation 1990
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD75048
4-BIT SINGLE-CHIP MICROCOMPUTER
APPLICATIONS
Consumer electronics products, telephones, cameras, automobile audio equipment, electronics measurement
equipment, etc.
ORDERING INFORMATION
Part Number
Package
Quality grade
μ
PD75048CW-xxx
μ
PD75048GC-xxx-AB8
64-pin plastic shrink DIP (750 mil)
64-pin plastic QFP ( 14mm)
Standard
Standard
Remarks
: xxx is ROM code number.
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.
The information in this document is subject to change without notice.
DESCRIPTION
The
μ
PD75408 is a 4-bit single-chip microcomputer whose data processing capability is comparative to that
of an 8-bit microcomputer.
The
μ
PD75048 employs a CPU whose minimum instruction execution time is 0.95
μ
s, and contains the
EEPROM, A/D converter, multi-function timer, and high performance hardware to provide high cost to
performance ratio.
Detailed functions are described in the following user's manual. Read this manual when designing your
system.
μ
PD75048 User's Manual: IEU-704
FEATURES
Built-in EEPROM: 1024 x 4 bits (data memory area)
Built-in 8-bit resolution A/D converter (successive
approximation): 8 channels
Capable of operating at low voltage: V
DD
= 2.7 to
6.0 V
Reference voltage can be arbitrarily specified
between AV
REF+
and AV
REF-
.
Built-in multi-function timer which can provide the
following functions:
8-bit timer
PWM output
16-bit free running timer
16-bit integration type A/D converter counter
I/O ports: 48 pins
Middle voltage N-ch open drain input/output
ports: 12 pins
43 I/O lines can be provided with internal pull-
down resistors
PROM version is available:
μ
PD75P048
(One-time PROM)
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