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ST STM32G0 1 Series User Manual

ST STM32G0 1 Series
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Inter-integrated circuit (I2C) interface RM0444
956/1390 RM0444 Rev 5
Figure 303. Transfer bus diagrams for I2C master transmitter
MS19862V2
Example I2C master transmitter 2 bytes, automatic end mode (STOP)
INIT: program Slave address, program NBYTES = 2, AUTOEND=1, set START
EV1: TXIS ISR: wr data1
EV2: TXIS ISR: wr data2
TXISTXIS
legend:
transmission
reception
SCL stretch
EV1 EV2
xx
2
INIT
Example I2C master transmitter 2 bytes, software end mode (RESTART)
INIT: program Slave address, program NBYTES = 2, AUTOEND=0, set START
EV1: TXIS ISR: wr data1
EV2: TXIS ISR: wr data2
EV3: TC ISR: program Slave address, program NBYTES = N, set START
TXIS TXIS
legend:
transmission
reception
SCL stretch
EV1 EV2
INIT
TC
TXE
TXE
EV3
NBYTES
NBYTES
2
xx
S Address A data1 A data2 ReS AddressA
S Address
A data1
A
data2
AP

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ST STM32G0 1 Series Specifications

General IconGeneral
BrandST
ModelSTM32G0 1 Series
CategoryMicrocontrollers
LanguageEnglish

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