HD64F3437TF16 Datasheet, PDF (338/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

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
End
3
No
of transmission
(ACKB = 1?)
Yes
Write TRS = 0 in ICCR
4
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).
Read ICDR
5
End
Figure 13.14 Flowchart for Slave Transmit Mode (Example)
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