User's Manual

169
CHAPTER 5 PERIPHERAL HARDWARE FUNCTIONS
Figure 5-67. Address Transfer Operation from Master Device to Slave Device (WUP = 1)
Program processing
Hardware operation
Program processing
SCK pin
123456789
SB0 or SB1 pin A7
Hardware operation
A6 A5 A4 A3 A2 A1 A0 ACK READY
Address
Master device processing (transmitter)
Transfer line Slave device processing (receiver)
Interrupt handling (preparation for next serial transfer)
Set ACKD
Serial transmission
Generate IRQCSI
Clear BUSY
Serial reception
Output BUSY
Clear BUSY
BUSY
Set CMDT
Set RELT
Set CMDT
Write to SIO
Stop SCK
WUP<-0
Set ACKT
Set CMDD
Clear CMDD
Set RELD
Set CMDD
Generate IRQCSI
(When SVA = SIO)
Output ACK