Their block diagram shows the RS232 serial ports as each running over a UART port: http://utilite-computer.com/web/utilite-specifications http://utilite-compute

Their block diagram shows the RS232 serial ports as each running over a UART port: http://utilite-computer.com/web/utilite-specifications http://utilite-computer.com/web/utilite-specifications One caveat from the I.MX6 datasheet: "One of the five UARTs (UART1) supports 8-wire while others four supports 4-wire. This is due to the SoC IOMUX limitation, since all UART IPs are identical." http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6DQIEC.pdf?fpsp=1 http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6DQ...