38B5 datasheet(15/70 Pages) RENESAS

15 / 70 page

MITSUBISHI MICROCOMPUTERS

38B5 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PRELIMINAR

Notice:

This

is not

a final

specification.

Some

parametric

limits

are

subject

to change.

Fig. 10 Port Block Diagram (2)

Serial ready output

(9) Ports P50, P54

(13) Port P62

(14) Ports P63, P7

(12) Port P61

Serial I/O input

Pull-up control

(10) Ports P51–P53, P55, P56

Serial clock input

Serial I/O2 mode selection bit

Output OFF control signal

TXD, SOUT or SCLK

P52,P53,P56

P-channel output disable signal (P51,P55)

Timer X output

Timer X operating mode bit

CNTR0,CNTR2 input

Timer2, TimerX external clock input

(11) Port P57

SRDY2 output enable bit

Serial clock input

P62/SRDY1•P64/SBUSY1

pin control bit

Serial ready output

A-D conversion input

Analog input pin selection bit

Serial ready input

Data bus

Port latch

Direction register

Data bus

Port latch

Direction register

Pull-up control

Data bus

Port latch

Direction register

Pull-up control

Data bus

Port latch

Direction register

Pull-up control

Data bus

Port latch

Direction register

Pull-up control

Data bus

Port latch

Direction register

A-D conversion input

Analog input pin selection bit

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