3886 datasheet(43/380 Pages) RENESAS

43 / 380 page

HARDWARE

1-18

3886 Group User’s Manual

Fig. 12 Port block diagram (1)

FUNCTIONAL DESCRIPTION

(2) Ports P01–P07,P1

Data bus

Port latch

output structure

selection bits

(3) Port P2

Data bus

Port latch

(4) Port P30

Comparator

Key-on wake-up

P30–P33 pull-up control bit

input

Data bus

Port latch

PWM00 output

PWM0 output pin selection bit

PWM0 enable bit

(5) Port P31

P30–P33 pull-up control bit

Data bus

Port latch

PWM10 output

PWM1 output pin selection bit

PWM1 enable bit

(6) Ports P32–P37

(7) Port P40

Port XC switch bit

Oscillator

Port P41

Port XC switch bit

(8) Port P41

Sub-clock generating circuit input

(1) Port P00

Data bus

Port latch

P00–P03 output

structure selection bit

Comparator reference power source input

Comparator reference input

pin select bit

P00–P03,

P04–P07,

P10–P13,

P14–P17

pull-up control bit

P30–P33,

P34–P37

Comparator

Key-on wake-up

input

Data bus

Port latch

Comparator

Key-on wake-up

input

Data bus

Port latch

Port XC switch bit

Data bus

Port latch

Direction

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