Panasonic MN101C77C - Manual (Page 404)

Chapter 12 Serial Interface 3
Operation XII - 18
„ Transmission/Reception Simultaneous timing
When transmission and reception are operated at the same time, data is recieved at the opposite edge
of the transmission clock.
SBT3 pin
SBI3 pin
SBO3 pin
Data is input at the rising edge of the clock.
Data is output at the falling edge of the clock.
Figure 12-3-10 Transmission/Reception Timing
(Reception : Rising edge, Transmission : Falling edge)
Figure 12-3-11 Transmission/Reception Timing
(Reception : Falling edge, Transmission : Rising edge)
SBT3 pin
SBI3 pin
SBO3 pin
Data is input at the falling edge of the clock.
Data is output at the rising edge of the clock.