Datasheet

Section 16 I
2
C Bus Interface (IIC) (Option)
Rev. 6.00 Mar. 18, 2010 Page 659 of 982
REJ09B0054-0600
16.4.4 Master Receive Operation
In I
2
C 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 16.10 and 16.11 are flowcharts showing examples of the master receive mode (WAIT =
1).