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TDA2EXEVM: TDA2 Processor Board + AWR RF Board Connection

Part Number: TDA2EXEVM
Other Parts Discussed in Thread: TDA2

Hi,

In the ProcessorSDKRadar_UserGuide.pdf, High Level Block Diagram on page 13, there is a UART3 connection from the Processor Board to the RF Board thru a selectable MUX. Can you tell me what the 4 UART lines into the RF board is for? I know Processor communicates with RF board over SPI and not UART.

We redesign the RF board and have a device on it that we need to interface with from the Processor Board. Can we use one of these 4 UART to interface with this device? If not, please recommend an interface from the Processor Board to the RF Board we can use?

Thanks,

--Khai