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M38866E2HP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3886 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Transfer clock (Note 1)

Serial I/O2 register

write signal

Serial I/O2 output SOUT2

Serial I/O2 input SIN2

D0

D1

D2

D3

D4

D5

D6

(Note 2)

D7

Receive enable signal SRDY2

Serial I/O2 interrupt request bit set

Notes 1: When the internal clock is selected as the transfer clock, the divide ratio can be selected by setting bits 0 to 2 of the serial

I/O2 control register.

2: When the internal clock is selected as the transfer clock, the SOUT2 pin goes to high impedance after transfer completion.

Fig. 28 Timing of serial I/O2 function

31

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