AsynchRX

Reads the oldest 32 bytes from the device UART RX buffer (received on receive terminal). The buffer holds 256 bytes.

• U3 : Requires U3 hardware version 1.21.

Command (U6/UE9)

Command (U3)

• Flush: If nonzero, the entire 256-byte RX buffer is emptied. If there are more than 32 bytes in the buffer that data is lost.

• NumAsynchBytesInRXBuffer: Returns the number of bytes in the buffer before this read.

• AsynchByte#: Returns the 32 oldest bytes from the RX buffer.