M38B74FD datasheet(19/110 Pages) RENESAS

19 / 110 page

38B7 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Fig. 12 Port block diagram (2)

(8) Ports P74 to P76

Timer 1 output selection bit

Timer 3 output selection bit

Timer 6 output selection bit

(11) Port P81

Port P80

(10) Port P80

(9) Port P77

(13) Ports P91, P92

SOUT or SCLK

P92

(14) Port P93

(7) Port P73

INT3 interrupt input

(12) Port P83

CNTR0, CNTR2 input

Data bus

Port latch

Direction register

Dimmer output

control bit

Dimmer signal output

Pull-up control

Data bus

Port latch

Direction register

Timer 1 output

Timer 3 output

Timer 6 output

Data bus

Port latch

Direction register

Buzzer control signal

Pull-up control

Buzzer signal output

INT4 interrupt input

Data bus

Port latch

Direction register

Pull-up control

Port Xc switch bit

Sub-clock generating circuit input

Port Xc switch bit

Data bus

Port latch

Direction register

Pull-up control

Port Xc switch bit

Oscillator

Data bus

Port latch

Direction register

Timer X operating mode bits

Timer X output

Pull-up control

SRDY3 output enable bit

Pull-up control

Data bus

Port latch

Direction register

Serial ready output

A-D conversion input

Analog input pin selection bits

Data bus

Port latch

Direction register

P-channel output disable signal (P91)

Output OFF control signal

Serial I/O3 selection signal

Pull-up control

Serial clock input

A-D conversion input

Analog input pin selection bits

M38B74FD Datasheet(PDF) 19 Page - Renesas Technology Corp

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