NEC PD78F9488 - Manual (Page 228)

CHAPTER 12 SERIAL INTERFACE 1A0
228
User’s Manual U15331EJ4V1UD
Figure 12-5. 3-Wire Serial I/O Mode Timing (2/2)
(ii) Slave operation timing
1 2 3 4 5 6 7 8
DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
SCK10
SI10
Note SO10
SIO1A0
write
INTCSI10
Note The value of the last bit previously output is output.