参数资料
型号: M37481E8SP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-42
文件页数: 10/100页
文件大小: 1457K
代理商: M37481E8SP
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
14
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Fig. 12 Block diagram of ports (1)
Direction register
Port latch
Interrupt control circuit
Tr1
Port P0
Data bus
Port P0
Tr2
Port P13
Data bus
T2M1
T1
Data bus
Tr3
Port P12
Data bus
T1M1
T0
Port P11
Tr4
Data bus
Tr5
Data bus
Port P10
Ports P10 – P13
Tr1 to Tr5 are pull-up transistors.
Pull-up control
register
Port latch
Pull-up control
register
Port latch
Direction register
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