Electronics America 8-Bit Single-Chip Microcontrollers User's Manual

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CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (
ยต
PD78054Y Subseries)
Figure 17-29. Logic Circuit of SCL Signal
Remarks 1. This figure indicates the relation of the signals and does not indicate the internal circuit.
2. CLC: Bit 3 of interrupt timing specify register (SINT)
CLC (manipulated by bit manipulation instruction)
Wait request signal
Serial clock (low while transfer is stopped)
SCL