参数资料
型号: M34551E8-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, OTPROM, MICROCONTROLLER, PQFP48
封装: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件页数: 68/154页
文件大小: 1778K
代理商: M34551E8-XXXFP
4551 Group User’s Manual
HARDWARE
1-9
PORT BLOCK DIAGRAMS (continued)
PIN DESCRIPTION
SEG0–SEG15
LCD power supply
LCD control signal
Pch
Nch
COM0–COM3
LCD control signal
Pch
LCD control signal
Nch
Pch
Nch
LCD power supply
This symbol represents a parasitic diode.
Note:
STCR instruction
SPCR instruction
S
R
Q
CR flag
Carrier wave
output circuit
Register C1
TC1A instruction
W31
Timer LC underflow signal
F/F
W30
C20
Timer 1 underflow signal
W20
CARR
To timer 1
CARRY
(Note)
F/F
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