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7480

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

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MITSUBISHI MICROCOMPUTERS

7480/7481 GROUP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Port P0

Data bus

Pull-up control

register

Direction register

Port latch

Interrupt control circuit

Ports P10 – P13

Data bus

Data bus

Pull-up control

register

Direction register

Port latch

T2M1

Data bus

T1

Direction register

Port latch

T1M1

T0

Data bus

Direction register

Port latch

Data bus

Direction register

Port latch

Tr1 to Tr5 are pull-up transistors.

Fig. 12 Block diagram of ports (1)

14

Tr1

Port P0

Tr2

Port P13

Tr3

Port P12

Tr4

Port P11

Tr5

Port P10

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