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参数资料
| 型号： | MSM64162-XXXGS-BK |
| 厂商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 0.4 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | 14 X 20 MM, 1 MM PITCH, PLASTIC, QFP-64 |
| 文件页数： | 1/39页 |
| 文件大小： | 339K |
| 代理商： | MSM64162-XXXGS-BK |
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Semiconductor
MSM64162
Semiconductor
MSM64162
4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver
GENERAL DESCRIPTION
The MSM64162 is a low power 4-bit microcontroller that employs Oki's original CPU core nX-
4/20.
The MSM64162 has 2-channel RC oscillation type A/D converter, LCD driver for up to 80
segments, and buzzer output port. It is best suited for applications such as low power, high
precision thermometers and hygrometers.
FEATURES
Operating range
Operating frequencies
:
32.768 kHz, 400 kHz
Operating voltage
:
1.25 to 1.7 V (1.5 V spec.)
2.0 to 3.5 V (3 V spec.)
2.2 to 3.5 V (3 V spec., 1/2 duty)
Operating temperature
:
–40 to +85
°C
Memory space
Internal program memory
:
2016 bytes
Internal data memory
:
128 nibbles
Minimum instruction execution time
:
7.5 ms @ 400 kHz
91.6 ms @ 32.768 kHz
RC oscillation type A/D converter
:
2 channels
LCD driver
:
24 outputs; duty ratio switchable by software
(1) At 1/4 duty and 1/3 bias
:
80 segments (max)
(2) At 1/3 duty and 1/3 bias
:
63 segments (max)
(3) At 1/2 duty and 1/2 bias
:
44 segments (max)
Buzzer driver
:
1 output (4 output modes selectable)
Capture circuit
:
2 channels
Watchdog timer
Clock
:
32.768 kHz crystal oscillator and 400 kHz RC
oscillator (with an external resistor)
CPU clock
:
32.768 kHz/400 kHz (switchable by software)
Time base clock
:
32.768 kHz
Power supply voltage
:
1.5 V/3 V (selectable by mask option)
I/O port
Input-output port
:
2 ports 4 bits
Input port
:
1 port 4 bits
Output port
:
1 port 4 bits
(8 out of the 24 LCD driver outputs can be used
as output-only ports by mask option.)
Interrupt sources
External interrupt
:
2 sources
Internal interrupt
:
7 sources
Battery check circuit
:
1 (incorporated into the input-only port)
E2E0033-38-93
This version: Sep. 1998
Previous version: Mar. 1996
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