Address Transmission From Master Device To Slave Device (Wup = 1) - NEC PD75402A User Manual

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