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參數資料
| 型號： | μPD789022 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8 Bit Single Chip Microcontrollers |
| 中文描述： | 8位單片機微控制器 |
| 文件頁數： | 1/52頁 |
| 文件大小： | 275K |
| 代理商： | ΜPD789022 |
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The information in this document is subject to change without notice.
1996
8-BIT SINGLE-CHIP MICROCONTROLLER
DATA SHEET
MOS INTEGRATED CIRCUITS
μ
PD789022,789024,789025,789026
The mark
shows major revised points.
Document No. U11715EJ1V1DS00 (1st edition)
Date Published January 1999 J CP(K)
Printed in Japan
The
μ
PD789022
compact general-purpose devices) of the 78K/0S series.
These microcontrollers feature an 8-bit CPU, I/O ports, timers, a serial interface, and interrupt control circuits.
In addition, a flash memory product (
μ
PD78F9026) that can operate within the same voltage range as the
masked ROM models, and a range of related development tools are available.
Note
,
μ
PD789024
Note
,
μ
PD789025, and
μ
PD789026 are
μ
PD789026 subseries products (for
The functions of these microcontrollers are described in the following user’s manuals. Refer to these
manuals when designing a system based on any of these microcontrollers.
μ
PD789026 Subseries User's Manual
78K/0S Series User's Manual - Instruction : U11047E
: U11919E
Note
Under development
FEATURES
ROM and RAM sizes
Item
Program memory
Data memory
Package
Product name
(ROM)
(Internal high-speed RAM)
μ
PD789022
4 Kbytes
256 bytes
μ
PD789024
8 Kbytes
42-pin plastic shrink DIP (600 mil)
44-pin plastic QFP (10
×
10 mm)
μ
PD789025
12 Kbytes
512 bytes
μ
PD789026
16 Kbytes
High-speed (0.4
μ
s) and low-speed (1.6
μ
s) minimum instruction execution time can be selected (when the
system clock operates at 5.0 MHz)
I/O ports: 34
Serial interface: 1 channel
3-wire serial I/O mode/UART mode can be selected
Timer: 3 channels
16-bit timer counter
: 1 channel
8-bit timer/event counter : 1 channel
Watchdog timer
: 1 channel
Power supply voltage
: V
DD
= 1.8 to 5.5 V
APPLICATIONS
Compact household appliances, car accessories, air conditioners, games, etc.
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