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參數(shù)資料
| 型號： | UPD784021GK-BE9 |
| 廠商： | NEC Corp. |
| 英文描述： | 16/8-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 16/8-BIT單片機 |
| 文件頁數(shù)： | 1/90頁 |
| 文件大小： | 614K |
| 代理商： | UPD784021GK-BE9 |
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MOS INTEGRATED CIRCUIT
m
PD784020, 784021
Document No.
(Previous No.
Date Published
Printed in Japan
U11514EJ1V0DS00 (1st edition)
IP-3234)
July 1996 P
16/8-BIT SINGLE-CHIP MICROCOMPUTER
The
m
PD784021 is a product of the
m
PD784026 sub-series in the 78K/IV series. It contains various peripheral
hardware such as RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interface, and interrupt
functions, as well as a high-speed, high-performance CPU.
The
m
PD784021 is a ROM-less product of the
m
PD784025 or
m
PD784026.
The
m
PD784020 differs from the
m
PD784021 only in its RAM size: 512 bytes are allocated for the
m
PD784020,
while 2048 bytes are allocated for the
m
PD784021.
For specific functions and other detailed information, consult the following user’s manual.
This manual is required reading for design work.
m
PD784026 Sub-Series User’s Manual, Hardware :
78K/IV Series User’s Manual, Instruction
U10898E
: U10905E
FEATURES
78K/IV series
Pin-compatible with the
m
PD78234 sub-series
Minimum instruction execution time: 160 ns
(at 25 MHz)
Number of I/O ports: 46
Timer/counters: 16-bit timer/counter
￥
3 units
16-bit timer
￥
1 unit
Serial interface: 3 channels
UART/IOE (3-wire serial I/O)
CSI (3-wire serial I/O, SBI) : 1 channel
:2 channels
APPLICATIONS
LBP, automatic-focusing camera, PPC, printer, electronic typewriter, air conditioner, electronic musical instru-
ments, cellular telephone, etc.
This manual describes the
m
PD784021 unless otherwise specified.
DATA SHEET
1990
1996
PWM outputs: 2
Standby function
HALT/STOP/IDLE mode
Clock frequency division function
Watchdog timer: 1 channel
A/D converter
D/A converter
Supply voltage : V
DD
= 2.7 to 5.5 V
: 8-bit resolution
￥
8 channels
: 8-bit resolution
￥
2 channels
The information in this document is subject to change without notice.
The mark
H
shows major revised points.
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