H83217 Datasheet, PDF (332/520 Pages) Renesas Technology Corp – Single-Chip Microcomputer

Slave transmit mode
Write transmit data in ICDR
1
Read IRIC in ICSR
No
2
IRIC = 1?
Yes
Clear IRIC in ICSR
Read ACKB in ICSR
3
End
No
of transmission
(ACKB = 1)?
Yes
Write TRS = 0 in ICCR
4
Read ICDR
5
End
1. Set transmit data for the second and
subsequent bytes.
2. Wait for 1 byte to be transmitted.
3. Test for end of transfer.
4. Select slave receive mode.
5. Dummy read (to release the SCL line).
Figure 14-14 Flowchart for Slave Transmit Mode (Example)
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