Panasonic MN101C77C, F77G user manual XI 32 Operation

Chapter 11 Serial Interface 0, 1

„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.

SBT pin

Data is received at the rising edge of clock.

SBI pin

Data is output at the falling edge of clock.

SBO pin

Figure 11-3-13 Transmission / Reception Timing (Reception : rising edge, Transmission : falling edge)

SBT pin

Data is received at the falling edge of clock.

SBI pin

Data is output at the rising edge of clock.

SBO pin

Figure 11-3-14 Transmission / Reception Timing (Reception : falling edge, Transmission : rising edge)

XI - 32 Operation