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an additional integrated circuit of a microcontroller or processor like a UART, SPI, RTC or any other block which can do something without always requiring the processing core to be active

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STM32F446 I2C peripheral won't assert repeated start condition

I am writing some register level firmware for my STM32F446 to use the I2C peripheral to talk to an accelerometer. … The sequence of events i need to do is as follows 1) START 2) SLAVE ADDRESS+Write 3) SUBADDRESS (command byte to specify which register address on the peripheral i want to read from) 4) REPEAT START 5 …
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