ic_txflr
This register contains the number of valid data entries in the transmit FIFO buffer. It is cleared whenever:
- The I2C is disabled
- There is a transmit abort that is, TX_ABRT bit is set in the ic_raw_intr_stat register. The slave bulk transmit mode is aborted The register increments whenever data is placed into the transmit FIFO and decrements when data is taken from the transmit FIFO.
| Module Instance | Base Address | Register Address |
|---|---|---|
| i2c0 | 0xFFC04000 | 0xFFC04074 |
| i2c1 | 0xFFC05000 | 0xFFC05074 |
| i2c2 | 0xFFC06000 | 0xFFC06074 |
| i2c3 | 0xFFC07000 | 0xFFC07074 |
Offset: 0x74
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 |
txflr RO 0x0 |
||||||||||||||
ic_txflr Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 6:0 | txflr | Transmit FIFO Level.Contains the number of valid data entries in the transmit FIFO. |
RO | 0x0 |