Commands - NEC mPD780208 Subseries User Manual

CHAPTER 13 SERIAL INTERFACE CHANNEL 0
(d) Command and data
The master device transmits commands to, and transmits/receives data to/from the slave device selected
by address transmission.
Figure 13-15. Commands
SCK0
1 2 3 4 5 6 7 8
SB0 (SB1)
C7 C6 C5 C4 C3 C2 C1 C0
Command
Command signal
Figure 13-16. 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 a command signal is defined as "command" data. 8-bit data without a command signal
is defined as "data". Command and data operation procedures can be determined by the user according
to their communication specifications.
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