DIR=B_0x0
I2C interrupt and status register
| TXE | Transmit data register empty (transmitters) |
| TXIS | Transmit interrupt status (transmitters) |
| RXNE | Receive data register not empty (receivers) |
| ADDR | Address matched (slave mode) |
| NACKF | Not acknowledge received flag |
| STOPF | Stop detection flag |
| TC | Transfer complete (master mode) |
| TCR | Transfer complete reload |
| BERR | Bus error |
| ARLO | Arbitration lost |
| OVR | Overrun/underrun (slave mode) |
| PECERR | PEC error in reception |
| TIMEOUT | Timeout or tless thansub>LOWless than/sub> detection flag |
| ALERT | SMBus alert |
| BUSY | Bus busy |
| DIR | Transfer direction (slave mode) 0 (B_0x0): Write transfer, slave enters receiver mode. 1 (B_0x1): Read transfer, slave enters transmitter mode. |
| ADDCODE | Address match code (slave mode) |