38D2 datasheet(21/136 Pages) RENESAS

21 / 136 page

Rev.3.02

Apr 10, 2008

Page 21 of 131

REJ03B0177-0302

38D2 Group

Fig. 14 Port block diagram (2)

(12) Ports P43-P45

Analog input pin selection bit

A-D conversion input

Data bus

Port latch

Direction

Pull-up control

(14) Port P54

(7) Ports P34, P50, P51, P60

Data bus

Direction

Port latch

Pull-up control

CNTR1 interrupt input

INT0-INT2 interrupt input

(8) Port P35

Port latch

Data bus

Pulse output mode

Timer X output

Direction

Pull-up control

Direction

Data bus

Serial I/O enable bit

Receive enable bit

Port latch

Pull-up control

Serial I/O input

Key-on wakeup interrupt input

Key input control

(9) Ports P36, P52, P53

Port latch

Data bus

Port/Timer output selection

Timer output/PWM output

Timer output/System clock

φ output

Direction

Pull-up control

(13) Ports P40, P41, P46, P47

Data bus

Port latch

Oscillation output control bit/

Real time control bit

Direction

Pull-up control

Analog input pin selection bit

A-D conversion input

Oscillation output/

Data for real time port

(10) Ports P37

Data bus

Direction

Port latch

Pull-up control

CNTR0 interrupt input

Timer output

A-D conversion input

Data bus

Port latch

Direction

Pull-up control

(11) Ports P42

ADKEY enable bit

Analog input pin selection bit

Port/Timer output selection

38D2 Datasheet(PDF) 21 Page - Renesas Technology Corp

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