Figure 270. Transfer Sequence Flow For I2C Slave Transmitter, Nostretch = 1 - STMicroelectronics STM32WLEx Reference Manual

Inter-integrated circuit (I2C) interface

Figure 270. Transfer sequence flow for I2C slave transmitter, NOSTRETCH = 1

964/1306
I2C_ISR.TXIS
=1?
Yes
Write I2C_TXDR.TXDATA
Slave
transmission
Slave initialization
No
No
RM0461 Rev 5
I2C_ISR.STOPF
=1?
Yes
Optional: Set I2C_ISR.TXE = 1
and I2C_ISR.TXIS=1
Set I2C_ICR.STOPCF
RM0461
MS19852V2