Renesas RX100 Series User Manual page 768

RX13T Group
Slave transmission
Initial settings
ICSR2.NACKF = 0?
No
ICSR2.TDRE = 1?
Write data to ICDRT register
No
All data transmitted?
No
ICSR2.TEND = 1?
Read ICDRR register
No
ICSR2.STOP = 1?
ICSR2.NACKF = 0
ICSR2.STOP = 0
End of slave transmission
Figure 24.15 Example of Slave Transmission Flowchart
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
No
Yes
Yes
Yes
Yes
Yes
[1] Initial settings
[2], [3] Check ACK bit and set transmit data
(Checking of ACK not necessary immediately after
address is received)
[4] Dummy read to release the SCL
[5] Check stop condition issuance
[6] Processing for the next transfer operation.
2
24. I C-bus Interface (RIICa)
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