Single-Chip Microcontrollers User's Manual

CHAPTER 16 SERIAL INTERFACE CHANNEL 0 (

PD78058F SUBSERIES)

(d) Command and data

The master device transmits commands to, and transmits/receives data to/from the slave device selected

by address transmission.

Figure 16-16. Commands

Figure 16-17. Data

8-bit data following a command signal is defined as “command” data. 8-bit data without command signal

is defined as “data”. Command and data operation procedures are allowed to determine by user according

to communications specifications.

SCK0

C7 C6 C5 C4 C3 C2 C1 C0

12345678

SB0 (SB1)

Command

Command Signal

SCK0

D7 D6 D5 D4 D3 D2 D1 D0

12345678

SB0 (SB1)

Data