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PWang.5
Associate II
Jul 13, 2021 5:36 AM UTC
Solved

We have a new product and the MCU is STM32F429VIT6, I checked the datasheet, it has 4 uart/4 usart, our product need to connect 6 device by uart interface, so could I use the MCU to finish the reqirement? what should i need to be considered?

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TDK
TDKBest answer
Jul 13, 2021 2:11 PM UTC

USART can be used as a UART. The chip has 8 UARTs. You can use 6 of them.

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4 replies

TDK
TDKBest answer
Jul 13, 2021 2:11 PM UTC

USART can be used as a UART. The chip has 8 UARTs. You can use 6 of them.

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PWang.5
PWang.5Author
Associate II
Jul 14, 2021 2:01 AM UTC

Hi TDK,

Thank you so much, could you kindly help to confirm the below design is right?

USART:USART1,USART6,USART2

UART:UART4,UART5,UART6,UART7,UART8

TDK
Jul 14, 2021 2:26 AM UTC

> USART:USART1,USART6,USART2

> UART:UART4,UART5,UART6,UART7,UART8

You have both USART6 and UART6 listed. It's USART6.

Use STM32CubeMX to do the pinout and verification of each peripheral.

0693W00000BdbxWQAR.png

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PWang.5
PWang.5Author
Associate II
Jul 14, 2021 2:31 AM UTC

Got you, thanks so muck of your kindly help.