CHAPTER 15 SERIAL INTERFACE CHANNEL 0 ( µ PD78014 Subseries)
(d) Command and Data
The master sends commands and sends/receives data to the slave selected by sending the address.
Figure 15-17. Command
1
2
3
4
5
6
7
8
SCK0
SB0 (SB1)
C7
C6
C5
C4
C3
C2
C1
C0
Command
Command Signal
Figure 15-18. Data
SCK0
1
2
3
4
5
6
7
8
SB0 (SB1)
D7
D6
D5
D4
D3
D2
D1
D0
Data
8-bit data following the command signal is defined as a command. 8-bit data wihtout the command signal
is defined as data. How to use the command and data can be determined based on communication
specifications.
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