NEC 78014Y Series User Manual page 397

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CHAPTER 16 SERIAL INTERFACE CHANNEL 0 ( µ PD78014Y Subseries)
Figure 16-46. Data Transmission from Slave to Master
(Both Master and Slave Selected 9-Clock Wait) (2/3)
Master device operation
SIO0 ← FFH
Write SIO0
COI
ACKD
CMDD
"L"
RELD
CLD
P27
"H"
"L"
WUP
ACKE "H"
"L"
CMDT
"L"
RELT
"L"
CLC
"L"
WREL
"L"
SIC
INTCSI0
Transfer line
SCL 1 2
SDA0 (SDA1) D7 D6 D5 D4 D3 D2 D1
Slave device operation
SIO0 ← Data
Write SIO0
COI
ACKD
CMDD
"L"
RELD
CLD
P27
"L"
WUP
"L"
ACKE
"L"
CMDT
"L"
RELT
"L"
CLC
"L"
WREL
"L"
SIC
INTCSI0
(b) Data
3 4 5 6 7 8 9
D0 ACK
SIO0 ← FFH
1 2 3 4 5 6 7
D7 D6 D5 D4 D3 D2 D1
SIO0 ← Data
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