FIFO status register.
I2C_RXFIFO_RADDR | This is the offset address of the APB reading from rxfifo |
I2C_RXFIFO_WADDR | This is the offset address of i2c module receiving data and writing to rxfifo. |
I2C_TXFIFO_RADDR | This is the offset address of i2c module reading from txfifo. |
I2C_TXFIFO_WADDR | This is the offset address of APB bus writing to txfifo. |