114
CHAPTER 5. PERIPHERAL HARDWARE FUNCTIONS
Fig. 5-49 Address Transmission form Master Device to Slave Device (WUP = 1)
RELT
Setting
CMDT
Setting
Serial Transmit Operation
Write 
to SIO
IRQCSI
Gene-
ration
ACKD
Setting
SCK
Stop-
page
Interrupt Servicing
(Preparation for Next Serial Transfer)
1 2 3 4 5 6 7 8 9
ACK BUSY READY
BUSY
Clear-
ance
ACKT
Setting
BUSY
Clear-
ance
BUSY
Output
ACK
Output
IRQCSI
Gene-
ration
(When SVA = SIO)
Serial Receive Operation
CMDD
Clear-
ance
RELD 
Setting
CMDD 
Setting
A7 A6 A5 A4 A3 A2 A1 A0
Address
Master Device Processing
(Transmission Side)
Program
Processing
Hardware
Operation
Transfer Line
SCK Pin
SB0 Pin
Slave Device Processing
(Reception Side)
Program
Processing
Hardware
Operation
WUP 0
CMDD 
Setting
CMDT
Setting