STMicroelectronics STM32F05 series - Figure 216. Transfer Sequence Flowchart for I2 C Master Receiver for N<=255 Bytes

Inter-integrated circuit (I
2
C) interface RM0091
496/742 Doc ID 018940 Rev 1
Figure 216. Transfer sequence flowchart for I2C master receiver for N<=255 bytes
MS19863V1
Master initialization
Master reception
Read I2Cx_RXDR
I2Cx_ISR.RXNE
=1?
No
Yes
NBYTES = N
AUTOEND = 0 for RESTART; 1 for STOP
Configure slave address
Set I2Cx_CR2.START
NBYTES
received?
I2Cx_ISR.TC
= 1?
Yes
End
No
Yes
No
Set I2Cx_CR2.START
with slave addess
NBYTES ...