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MITSUBISHI MICROCOMPUTERS

3802 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Fig. 17 Timing of serial I/O2 function

D7D0 D1

D3 D4 D5 D6

Transfer clock (Note 1)

Serial I/O2 output S

OUT2

Serial I/O2 input SIN2

Receive enable signal SRDY2

Serial I/O2 register

write signal

(Note 2)

Serial I/O2 interrupt request bit set

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 S

OUT2 pin goes to high impedance after transfer completion.

Notes

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 53 54

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