M38C89MB datasheet(17/55 Pages) RENESAS

Part #	M38C89MB

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

38C8 Group

Fig. 12 Port block diagram (2)

(9) Port P47

Serial I/O ready output

Serial I/O mode selection bit

Serial I/O enable bit

SRDY output enable bit

(8) Port P46

Serial I/O synchronous

clock selection bit

Serial I/O clock output

Serial I/O mode selection bit

Serial I/O enable bit

(6) Port P44

(7) Port P45

Databus

Serial I/O enable bit

Transmit enable bit

Serial I/O output

P45/TxD P-channel output disable bit

Pull-up control

Data bus

Serial I/O enable bit

Receive enalble bit

Serial I/O input

Port latch

Pull-up control

Direction

Port latch

Direction

Serial I/O enable bit

Pull-up control

Direction

Port latch

Data bus

Serial I/O clock input

Pull-up control

Direction

Port latch

Data bus

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