| TX_C0_ESC_EN | Set this bit to enable 0xc0 char decode when DMA receives data. |
| TX_DB_ESC_EN | Set this bit to enable 0xdb char decode when DMA receives data. |
| TX_11_ESC_EN | Set this bit to enable flow control char 0x11 decode when DMA receives data. |
| TX_13_ESC_EN | Set this bit to enable flow control char 0x13 decode when DMA receives data. |
| RX_C0_ESC_EN | Set this bit to enable 0xc0 char replace when DMA sends data. |
| RX_DB_ESC_EN | Set this bit to enable 0xdb char replace when DMA sends data. |
| RX_11_ESC_EN | Set this bit to enable flow control char 0x11 replace when DMA sends data. |
| RX_13_ESC_EN | Set this bit to enable flow control char 0x13 replace when DMA sends data. |