elsi=disable, ptime=disable, edssi=disable, etbei=disable, erbfi=disable, rs485_int_en=disable
UART Interrupt Enable Register
| erbfi | Enable Received Data Available Interrupt 0 (disable): undefined 1 (enable): undefined |
| etbei | Enable Transmit Holding Register Empty Interrupt 0 (disable): undefined 1 (enable): undefined |
| elsi | Enable Receiver Line Status Interrupt 0 (disable): undefined 1 (enable): undefined |
| edssi | Enable Modem Status Interrupt 0 (disable): undefined 1 (enable): undefined |
| rs485_int_en | RS485 Interrupt Enable 0 (disable): undefined 1 (enable): undefined |
| ptime | Programmable THRE Interrupt Mode Enable 0 (disable): undefined 1 (enable): undefined |