NEC uPD78P078 - Manual (Page 385)

385
CHAPTER 18 SERIAL INTERFACE CHANNEL 0 (
µ
PD78078Y Subseries)
18.4.3 2-wire serial I/O mode operation
The 2-wire serial I/O mode can cope with any communication format by program.
Communication is basically carried out with two lines of serial clock (SCK0) and serial data input/output (SB0
or SB1).
Figure 18-10. Serial Bus Configuration Example Using 2-Wire Serial I/O Mode
Master
SCK0
Slave
SB0 (SB1)
SCK0
SB0 (SB1)
V DD V DD