Data Transmission From Slave To Master (Both Master And Slave Selected 9-Clock Wait) - NEC PD78052 User Manual

CHAPTER 17 SERIAL INTERFACE CHANNEL 0 ( PD78054Y Subseries)
Figure 17-23. Data Transmission from Slave to Master
(Both Master and Slave Selected 9-Clock Wait) (2 of 3)
Master device operation
SIO0 FFH
Write SIO0
COI
ACKD
CMDD
L
RELD
CLD
P27
H
L
WUP
BSYE H
H
ACKE
L
CMDT
L
RELT
L
CLC
L
WREL
L
SIC
INTCSI0
Transfer line
SCL
1 2 3 4 5 6 7 8
D7 D6
SDA0
Slave device operation
SIO0
Write SIO0
COI
ACKD
CMDD
L
RELD
CLD
P27
L
WUP
L
BSYE
L
ACKE
L
CMDT
L
RELT
L
CLC
L
WREL
H
SIC
INTCSI0
CSIE0 H
L
P25
L
PM25
L
PM27
(b) Data
9
ACK
D5 D4 D3 D2 D1 D0
Data
SIO0 FFH
1 2 3 4 5
D7 D6 D5 D4 D3
SIO0 Data
383