ST STM32G474

RM0440 Rev 4 1875/2126
RM0440 Inter-integrated circuit (I2C) interface
1928
Figure 636. Transfer sequence flowchart for I2C slave transmitter,
NOSTRETCH= 0
MS19851V2
Slave initialization
Slave
transmission
Read ADDCODE and DIR in I2C_ISR
Optional: Set I2C_ISR.TXE = 1
Set I2C_ICR.ADDRCF
Write I2C_TXDR.TXDATA
I2C_ISR.ADDR
=1?
No
Yes
I2C_ISR.TXIS
=1?
Yes
No
SCL
stretched