No Description
| RXENS | Receiver Enable Status |
| TXENS | Transmitter Enable Status |
| MASTER | SPI Main Mode |
| RXBLOCK | Block Incoming Data |
| TXTRI | Transmitter Tristated |
| TXC | TX Complete |
| TXBL | TX Buffer Level |
| RXDATAV | RX Data Valid |
| RXFULL | RX FIFO Full |
| TXBDRIGHT | TX Buffer Expects Double Right Data |
| TXBSRIGHT | TX Buffer Expects Single Right Data |
| RXDATAVRIGHT | RX Data Right |
| RXFULLRIGHT | RX Full of Right Data |
| TXIDLE | TX Idle |
| TIMERRESTARTED | The USART Timer restarted itself |
| TXBUFCNT | TX Buffer Count |