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CHAPTER 18 I
2
C BUS MODE (
µ
PD784225Y SUBSERIES ONLY)
User’s Manual U12697EJ3V0UM
18.5.15 Additional warnings
After a reset, when the master is communicating from the state where the stop condition is not detected (bus is
not released), perform master communication after the stop condition is first generated and the bus is released.
The master cannot communicate in the state where the bus is not released (the stop condition is not detected)
in the multimaster.
The following procedure generates the stop condition.
<1> Set prescaler mode register 0 (SPRM0) for the serial clock.
<2> Set bit 7 (IICE0) in I
2
C bus control register 0 (IICC0).
<3> Set bit 0 of IICC0.