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STARTERWARE-SITARA: UART RX framing error

Part Number: STARTERWARE-SITARA

I am using AM335x EVM board to communicate with PC using UART4 at 921600 baud rate.

I am using UART4 with FIFO with interrupt mode. Trigger level of FIFO is set to 1.

I have used starterware uartEcho example as base and made necessary changes to work with UART4 at 921600 baud rate.

UART4 can transmit the data successfully but it can not receive the data. At reception it gives the framing error.

In ISR it goes in to RX line state error and gives framing error. From top of RX FIFO it gives any random number instead of actual received number.

This means there is some problem with received signal. I am using Teraterm to send and receive data to and from AM335x.

Please help me on this issue.