Figure 219. Transfer Sequence Flowchart For I2C Slave Transmitter; Nostretch= 0 - ST STM32L0x3 Reference Manual

Inter-integrated circuit (I2C) interface RM0367

Figure 219. Transfer sequence flowchart for I2C slave transmitter,

NOSTRETCH= 0

Slave
transmission
Slave 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
MS19851V2
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