HD64F3437TF16 Datasheet, PDF (339/752 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.

Start
Initialize
Set MST = 0
and TRS = 0 in ICCR
1
Write ACKB = 0 in ICSR
Read IRIC in ICSR
2
No
IRIC = 1?
Yes
Clear IRIC in ICSR
Read AAS and ADZ in ICSR
AAS = 1
and ADZ = 0?
Yes
No
General call address processing
* Description omitted
Read TRS in ICCR
TRS = 0?
Yes
No
Slave transmit mode
Last receive?
Yes
No
Read ICDR
3
Read IRIC in ICSR
No
4
IRIC = 1?
Yes
Clear IRIC in ICSR
Set ACKB = 1 in ICSR
5
1. Select slave receive mode.
2. Wait for the first byte to be received.
3. Start receiving. The first read is a dummy read.
4. Wait for the transfer to end.
5. Set acknowledgement data for the last receive.
6. Start the last receive.
7. Wait for the transfer to end.
8. Read the last receive data.
Read ICDR
6
Read IRIC in ICSR
7
No
IRIC = 1?
Yes
Clear IRIC in ICSR
Read ICDR
8
End
Figure 13.15 Flowchart for Slave Receive Mode (Example)
310