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RM0366
Inter-integrated circuit interface (I2C)
Figure 253. Transfer sequence flow for I2C target transmitter, NOSTRETCH = 0
Target
transmission
Target initialization
No
I2C_ISR.ADDR
=1?
Yes
SCL
stretched
Read ADDCODE and DIR in I2C_ISR
Optional: Set I2C_ISR.TXE = 1
Set I2C_ICR.ADDRCF
No
I2C_ISR.TXIS
=1?
Yes
Write I2C_TXDR.TXDATA
MSv19851V3
RM0366 Rev 5
663/874
711
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