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ST STM32G474 User Manual

ST STM32G474
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RM0440 Rev 4 1885/2126
RM0440 Inter-integrated circuit (I2C) interface
1928
Figure 646. Transfer sequence flowchart for I2C master transmitter for N≤255 bytes
MS19860V2
Master initialization
Master
transmission
Write I2C_TXDR
I2C_ISR.TXIS
=1?
No
Yes
I2C_ISR.NACKF =
1?
Yes
No
NBYTES = N
AUTOEND = 0 for RESTART; 1 for STOP
Configure slave address
Set I2C_CR2.START
End
NBYTES
transmitted?
I2C_ISR.TC =
1?
Yes
End
No
Yes
No
Set I2C_CR2.START with
slave addess NBYTES ...

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ST STM32G474 Specifications

General IconGeneral
BrandST
ModelSTM32G474
CategoryMicrocontrollers
LanguageEnglish

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