7470 Datasheet, PDF (26/47 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Port P0
Data bus
Pull-up control
register
Direction register
Port latch
Ports P10–P13
Data bus
Data bus
Interrupt control circuit
Pull-up control
register
Direction register
Port latch
T34M7
Data bus
T1
Direction register
Port latch
T12M3
Data bus
T0
Direction register
Port latch
Tr1
Port P0
Tr2
Port P13
Tr3
Port P12
Tr4
Port P11
Data bus
Direction register
Port latch
Fig. 17 Block diagram of ports P0, P10–P13
Tr5
Port P10
Tr1–Tr5 are pull-up transistors
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