SIM_SOPT5 field descriptionsField Description31–20ReservedThis field is reserved.This read-only field is reserved and always has the value 0.19ReservedThis field is reserved.This read-only field is reserved and always has the value 0.18UART2ODEUART2 Open Drain Enable0 Open drain is disabled on UART21 Open drain is enabled on UART217LPUART1ODELPUART1 Open Drain Enable0 Open drain is disabled on LPUART1.1 Open drain is enabled on LPUART116LPUART0ODELPUART0 Open Drain Enable0 Open drain is disabled on LPUART0.1 Open drain is enabled on LPUART0.15–7ReservedThis field is reserved.This read-only field is reserved and always has the value 0.6LPUART1RXSRCLPUART1 Receive Data Source SelectSelects the source for the LPUART1 receive data.0 LPUART1_RX pin1 CMP0 output5–4LPUART1TXSRCLPUART1 Transmit Data Source SelectSelects the source for the LPUART1 transmit data.00 LPUART1_TX pin01 LPUART1_TX pin modulated with TPM1 channel 0 output10 LPUART1_TX pin modulated with TPM2 channel 0 output11 Reserved3ReservedThis field is reserved.This read-only field is reserved and always has the value 0.2LPUART0RXSRCLPUART0 Receive Data Source SelectSelects the source for the LPUART0 receive data.0 LPUART_RX pin1 CMP0 outputLPUART0TXSRC LPUART0 Transmit Data Source SelectSelects the source for the LPUART0 transmit data.00 LPUART0_TX pin01 LPUART0_TX pin modulated with TPM1 channel 0 output10 LPUART0_TX pin modulated with TPM2 channel 0 output11 ReservedMemory map and register definitionKL27 Sub-Family Reference Manual , Rev. 5, 01/2016152 Freescale Semiconductor, Inc.