|}
===Multi-protocol UARTs===
====Ordering code: XUBBx0xxxxxXUBxx0xxx0x====
{| class="wikitable"
|-
|-
| MPUART0 || UART7 || J34 || 2-wire RS232 || <code>/dev/ttymxc6</code> ||
|-
| MPUART1 || UART3 || J21 || RS485 || <code>/dev/ttymxc2</code> ||
|-
|}
====Ordering code: XUBxx0xxx1x====
{| class="wikitable"
|-
! Physical device !! Processor's resource !! Connector !! Type !! Linux device file !! Notes
|-
| MPUART0 || UART8 || J34 || 2-wire RS232 || <code>/dev/ttymxc7</code> ||
|-
| MPUART1 || UART3 || J21 || RS485 || <code>/dev/ttymxc2</code> ||
|-
|}