參數(shù)資料
型號(hào)： UPD789122UC-XXX-5A4
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, MICROCONTROLLER, PDSO30
封裝： 0.300 INCH, SHRINK, PLASTIC, SOP-30
文件頁(yè)數(shù)： 23/54頁(yè)
文件大?。?/td> 481K
代理商： UPD789122UC-XXX-5A4
DATA SHEET
8-BIT SINGLE-CHIP MICROCONTROLLERS
MOS INTEGRATED CIRCUITS
PD789121, 789122, 789124, 789131, 789132, 789134
Document No. U13025EJ2V0DS00 (2nd edition)
Date Published November 1999 N CP(K)
Printed in Japan
The
PD789121, 789122, and 789124 are PD789124 Subseries products of the 78K/0S Series.
The
PD789131, 789132, and 789134 are PD789134 Subseries products of the 78K/0S Series.
Besides an 8-bit CPU, these microcontrollers incorporate a variety of hardware such as I/O ports, timers, a serial
interface, A/D converters, and interrupt control.
In addition, a flash memory version (
PD78F9136) that can operate within the same power supply voltage range
as the mask ROM version, and a range of development tools are also being developed.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
PD789104, 789114, 789124, 789134 Subseries User’s Manual: U13045E
78K/0S Series User's Manual Instruction: U11047E
FEATURES
On-chip multiplier: 8 bits × 8 bits = 16 bits
ROM and RAM sizes
Item
Part Number
Program Memory
(ROM)
Data Memory
(Internal High-Speed RAM)
Package
PD789121, 789131
2 Kbytes
PD789122, 789132
4 Kbytes
PD789124, 789134
8 Kbytes
256 bytes
30-pin plastic shrink SOP (300 mils)
(GS type, MC-5A4 type)
Built-in RC oscillator
Minimum instruction execution time can be changed from high-speed (0.5
s) to low-speed (2.0 s) (@ 4.0-MHz
operation with system clock)
I/O ports: 20
Serial interface: 1 channel: Switchable between 3-wire serial I/O and UART modes
8-bit resolution A/D converter: 4 channels (
PD789121, 789122, 789124)
10-bit resolution A/D converter: 4 channels (
PD789131, 789132, 789134)
Timers: 3 channels
16-bit timer: 1 channel
8-bit timer/event counter: 1 channel
Watchdog timer: 1 channel
Power supply voltage: VDD = 2.7 to 5.5 V
APPLICATIONS
Cleaners, washing machines, and refrigerators
1997, 1999
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
The mark
shows major revised points.
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