MITSUBISHI MICROCOMPUTERS
38C1 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
LCD drive control circuit
DESCRIPTION
The 38C1 group is the 8-bit microcomputer based on the 740 fam-
•
Bias ............................................................................ 1/1, 1/2, 1/3
Duty ................................................................ Static, 1/2, 1/3, 1/4
Common output .......................................................................... 4
Segment output......................................................................... 25
Main clock generating circuit ...................................................... 1
(connect to external ceramic resonator or built-in ring oscillator)
Sub clock generating circuit........................................................ 1
(connect to external quartz-crystal oscillator)
ily core technology.
The 38C1 group has the LCD drive control circuit, an 8-channel A-
D converter, and serial I/O as additional functions.
The various microcomputers in the 38C1 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
•
•
•
Power source voltage
FEATURES
In high-speed mode (f(XIN) ≤ 8.0 MHz) ..................... 4.0 to 5.5 V
In middle-speed mode (Mask ROM version: f(XIN) ≤ 6.0 MHz)
.................................................................................... 1.8 to 5.5 V
In middle-speed mode (One Time PROM version: f(XIN) ≤ 6.0 MHz)
.................................................................................... 2.2 to 5.5 V
In low-speed mode (Mask ROM version) .................. 1.8 to 5.5 V
In low-speed mode (One Time PROM version) ........ 2.2 to 5.5 V
Power dissipation (Mask ROM version)
Basic machine-language instructions ....................................... 71
•
•
The minimum instruction execution time ............................ 0.5 µs
(at 8 MHz oscillation frequency)
Memory size
•
ROM ................................................................ 16 K to 24 K bytes
RAM ................................................................... 384 to 512 bytes
Programmable input/output ports (Ports P2–P6) ..................... 30
•
Segment output pin/Input port (Port P0) ....................................... 8
Software pull-up/pull-down resistor....................... Ports P0, P2–P6
Interrupts .................................................. 13 sources, 13 vectors
(includes key input interrupt)
•
•
•
•
•
In high-speed mode (frequency divided by 2) ........... Typ. 15 mW
(VCC = 5 V, f(XIN) = 8 MHz , Ta = 25 °C)
In low-speed mode......................................................Typ. 18 µW
(VCC = 2.5 V, f(XIN) = stop , f(XCIN) = 32 kHz , Ta = 25 °C)
Operating temperature range ................................... – 20 to 85°C
Timers ........................................................... 8-bit ✕ 3, 16-bit ✕✕2
Serial I/O ...................................... 8-bit ✕ 1 (Clock-synchronous)
A-D converter .................................................. 8-bit ✕ 8 channels
(It can be used in the low-speed mode.)
•
•
•
APPLICATIONS
Household appliances, consumer electronics, etc.
5秒后页面跳转
全球首块英伟达H200交付 黄仁勋“送货上门”
常用8脚开关电源芯片型号大全
74HC04芯片引脚图及功能、应用电路图讲解
CR6842芯片参数、引脚配置、应用电路图详解
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
