ic_rxflr
This register contains the number of valid data entries in the receive FIFO buffer. It is cleared whenever:
- The I2C is disabled
- Whenever there is a transmit abort caused by any of the events tracked in ic_tx_abrt_source The register increments whenever data is placed into the receive FIFO and decrements when data is taken from the receive FIFO.
Module Instance | Base Address | Register Address |
---|---|---|
i2c0 | 0xFFC04000 | 0xFFC04078 |
i2c1 | 0xFFC05000 | 0xFFC05078 |
i2c2 | 0xFFC06000 | 0xFFC06078 |
i2c3 | 0xFFC07000 | 0xFFC07078 |
Offset: 0x78
Access: RO
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
|||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
rxflr RO 0x0 |
ic_rxflr Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
6:0 | rxflr | Receive FIFO Level. Contains the number of valid data entries in the receive FIFO. |
RO | 0x0 |