HD6432633 Datasheet, PDF (887/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

18.3.4 Master Receive Operation
In I²C bus format master receive mode, the master device outputs the receive clock, receives data,
and returns an acknowledge signal. The slave device transmits data.
The master device transmits the data containing the slave address + R/W (0: read) in the 1st frame
after a start condition is generated in the master transmit mode. After the slave device is selected
the switch to receive operation takes place.
(1) Receive Operation Using Wait States
Figures 18-10 and 18-11 are flowcharts showing examples of the master receive mode (WAIT =
1).
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