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Chapter 33 I2C Controller
2.I2C Interface Registers
■ SCL Waveforms
Figure 2-1 SCL Waveforms
Figure 2-1 shows the SCL waveform for sending of address and data bits. The timings given in
the figure are prescaler periods (e.g. ‘9’ means 9 times the prescaler count based on the R-Bus
clock). The timings in the figure are only valid if no other device on the I2C bus influences the
SCL timing.
Address sending
Data sending
9
9
6
757
57
Time unit: Prescaler cycles
57
57