5.2.19 - AsynchTX

Sends bytes to the U6 UART which will be sent asynchronously on the transmit line.

• NumAsynchWords: This is the number of asynch data bytes divided by 2. If the number of bytes is odd, round up and add an extra zero to the packet.
• NumAsynchBytesToSend: Specifies how many bytes will be sent (0-56).
• NumAsynchBytesInRXBuffer: Returns how many bytes are currently in the RX buffer.