SNIU028D February 2016 – September 2020 UCD3138 , UCD3138064 , UCD3138064A , UCD3138128 , UCD3138A , UCD3138A64
Address FFF7EC0C – UART 0 Control Register 3
Address FFF7ED0C – UART 1 Control Register 3
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
SW_RESET | POWERDOWN | CLOCK | RX_INT_ENA | TX_INT_ENA | WAKEUP_INT_ENA | BRKDT_INT_ENA | ERR_INT_ENA |
R/W-0 | R/W-0 | R/W-0 | R/W-0 | R/W-0 | R/W-0 | R/W-0 | R/W-0 |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | SW_RESET | R/W | 0 | Software reset for UART Transmitter/Receiver 0 = Disables Software Reset (Default) 1 = Enables Software Reset |
6 | POWERDOWN | R/W | 0 | Power-down Transmitter/Receiver Control 0 = Disables Power-down mode (Default) 1 = Enables Power-down mode |
5 | CLOCK | R/W | 0 | UART Clock Select 0 = Selects external clock (Default) 1 = Selects internal clock |
4 | RX_INT_ENA | R/W | 0 | Enables the interrupts from UART Receiver 0 = Disables interrupts from UART Receiver (Default) 1 = Enables interrupts from UART Receiver |
3 | TX_INT_ENA | R/W | 0 | Enables the interrupts from UART Transmitter 0 = Disables interrupts from UART Transmitter (Default) 1 = Enables interrupts from UART Transmitter |
2 | WAKEUP_INT_ENA | R/W | 0 | Enables the wakeup interrupt from UART 0 = Disables Wakeup Interrupt (Default) 1 = Enables Wakeup Interrupt |
1 | BRKDT_INT_ENA | R/W | 0 | Enables the Broken Circuit interrupt from UART Receiver 0 = Disables Broken Circuit Interrupt (Default) 1 = Enables Broken Circuit Interrupt |
0 | ERR_INT_ENA | R/W | 0 | Enables UART Receiver Error Interrupt 0 = Disables UART Receiver Error Interrupt (Default) 1 = Enables UART Receiver Error Interrupt |