SPRUHZ7K August 2015 – April 2024 AM5706 , AM5708 , AM5716 , AM5718 , AM5718-HIREL
Each multimaster HS I2C controller implements two internal 8-bit FIFOs, the RX and TX FIFOs.
The depth of the RX and TX FIFOs can be checked by reading the I2Ci.I2C_BUFSTAT[15:14] FIFODEPTH bit field (0x0: 8 bytes, 0x1: 16 bytes, 0x2: 32 bytes, and 0x3: 64 bytes).