UART Rx and Tx pins for BSL in MSP430F5438A

Rafael Salcedo

Other Parts Discussed in Thread: MSP430F5438A

Which GPIO port bit is the Rx input for the BSL UART in the MSP430F5438A? Please specify as Px.y

Which GPIO port bit is the Tx input for the BSL UART in the MSP430F5438A? Please specify as Px.y

Also, please point me to where this information is in the documentation.

Jens-Michael Gross over 13 years ago

Guru 227245 points

See MSP430F5438A datasheet slas655b.pdf, Short-Form description->Bootstrap Loader (BSL)

In most cases (most MSPs), it is TA(0).0 and TA(0).1, as the BSL code uses the TimerA for a software UART.

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