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Rev. 2.0, 11/00, page 563 of 1037
Start
End
Initialize
Read IRIC flag in ICCR
Read AAS and ADZ flags in ICSR
Read TRS bit in ICCR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Clear IRIC flag in ICCR
Clear IRIC flag in ICCR
Read ICDR
Read ICDR
Read ICDR
Set ACKB=0 in ICSR
General call address processing
*
Description omitted
Set MST=0 and
TRS=0 in ICCR
IRIC=1?
No
Yes
Read IRIC flag in ICCR
Set ACKB=0 in ICSR
IRIC=1?
No
Yes
TRS=0?
IRIC=1?
No
No
Yes
Yes
Yes
AAS=1 and
ADZ=0?
[2]
[1]
[3]
[8]
[5]
[6]
[4]
[7]
Slave transmit mode
Last receive?
No
No
Yes
Select slave receive mode.
Wait for 1 byte to be received (slave
address)
Start receiving. The first read is a dummy
read.
Wait for the transfer to end.
Set acknowledge data for the last receive.
Start the last receive.
Wait for the transfer to end.
Read the last receive data.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
Figure 25.16 Flowchart for Slave Transmit Mode (Example)
Содержание Hitachi H8S/2191
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