Operation Timings When Using Busy & Strobe Control Option (Busy0 = 0) - NEC PD78056F User Manual

Figure 18-21. Operation Timings When Using Busy & Strobe Control Option (BUSY0 = 0)
SCK1
SO1 D7 D6 D5 D4 D3 D2 D1 D0
SI1 D7 D6 D5 D4 D3 D2 D1 D0
STB
BUSY
CSIIF1
TRF
Caution When TRF is cleared, the SO1 pin becomes low level.
Remarks CSIIF1: Interrupt request flag
TRF : Bit 3 of the auto data send and receive control register (ADTC)
CHAPTER 18 SERIAL INTERFACE CHANNEL 1
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Busy Input Release
Busy Input Valid
427