Modem Status Register.
| DCTSF | Detect CTS State Change Flag (not available in UART2 channel) This bit is set whenever CTS input has change state, and it will generate Modem interrupt to CPU when UA_IER [Modem_IEN] is set to 1. NOTE: This bit is read only, but can be cleared by writing ‘1’ to it. |
| CTS_ST | CTS Pin Status (not available in UART2 channel) This bit is the pin status of CTS. |
| LEV_CTS | CTS Trigger Level (not available in UART2 channel) This bit can change the CTS trigger level. 0= low level triggered 1= high level triggered |