NEC uPD78052(A) User Manual

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CHAPTER 16 SERIAL INTERFACE CHANNEL 0 (

PD78054 Subseries)

16.4.4 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 16-31. Serial Bus Configuration Example Using 2-Wire Serial I/O Mode

Master

SCK0

Slave

SB0 (SB1)

SCK0

SB0 (SB1)