M38B57MF-126FS 데이터 시트보기 (PDF) - Mitsumi

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M38B57MF-126FS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Mitsumi 

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MITSUBISHI MICROCOMPUTERS

38B5 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(15) Port P64

P62/SRDY1•P64/SBUSY1

pin control bit

Direction register

Data bus

Port latch

Pull-up control

(16) Port P65

P65/SSTB1 pin control bit

Direction register

Data bus

Port latch

Pull-up control

SBUSY1 output

INT4 interrupt input, SBUSY1 input

A-D conversion input

Analog input

pin selection

bit

SSTB1 output

A-D conversion input

(17) Port P84

Dimmer signal

(Note)

Pull-up control

FLD/Port

switch register

Local data

bus

Data bus

Direction register

Port latch

(18) Ports P85, P86

Local data

bus

Data bus

Dimmer signal

(Note)

FLD/Port

switch register

Direction register

Pull-up control

Real time port

control bit

Port latch

(19) Port P87

Dimmer signal

FLD/Port

(Note)

switch register

Pull-up control

P87/PWM

output enable bit

Local data

bus

Data bus

Direction register

Port latch

(20) Port P90

RTP output

Port Xc switch bit

Direction register

Pull-up control

Data bus

Port latch

(21) Port P91

PWM0 output

Pull-up control

Port Xc switch bit

Direction register

Data bus

Port latch

Fig. 11 Port Block Diagram (3)

Port P90

Oscillator

Port Xc switch bit

Sub-clock generating circuit input

* High-breakdown-voltage P-channel transistor

Note: The dimmer signal sets the Toff timing.

15

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