Panasonic MN101C77C - Manual (Page 358)

Chapter 11 Serial Interface 0, 1
XI - 32 Operation
„ Transmission / Reception Timing
When transmission and reception are operated at the same time, set the SCnCE1 flag of the SCnMD0
register to "0" or "1". Data is received at the opposite edge of the transmission clock, so that the recep-
tion clock should be the opposite edge of the transmission clock from the other side.
Figure 11-3-13 Transmission / Reception Timing
(Reception : rising edge, Transmission : falling edge)
Figure 11-3-14 Transmission / Reception Timing
(Reception : falling edge, Transmission : rising edge)
SBT pin
SBI pin
SBO pin
Data is received at the falling edge of clock.
Data is output at the rising edge of clock.
SBT pin
SBI pin
SBO pin
Data is received at the rising edge of clock.
Data is output at the falling edge of clock.