NEC uPD78056Y User Manual

Page 379

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379

CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (

µ

PD78054Y Subseries)

Figure 17-22. Data Transmission from Master to Slave

(Both Master and Slave Selected 9-Clock Wait) (1 of 3)

(a) Start Condition to Address

L

L

L

1

A5 A4 A3 A2 A1 A0 W ACK

A6

2

3

4

5

6

7

8

D7 D6 D5 D4 D3

1

2

3

4

5

9

L

L

L

L

L

SIO0

Address

Master device operation

Transfer line

Slave device operation

SIO0

Data

H

L

L

L

L

L

L

L

H

H

H

H

SIO0

FFH

Write SIO0

COI

ACKD

CMDD

RELD

CLD

P27

SCL

SDA0

WUP

BSYE

ACKE

CMDT

RELT

CLC

WREL

SIC

INTCSI0

Write SIO0

COI

ACKD

CMDD

RELD

CLD

P27

WUP

BSYE

ACKE

CMDT

RELT

CLC

WREL

SIC

INTCSI0

CSIE0

P25

PM25

PM27

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