JAJSGQ7A December 2018 – January 2020 TCAN4550
PRODUCTION DATA.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
RSVD | |||||||
R | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
RSVD | TFQF | TFQPI[4:0] | |||||
R | R | R | |||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
RSVD | TFGI[4:0] | ||||||
R | R | ||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RSVD | TFFL[5:0] | ||||||
R | R |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31:24 | RSVD | R | 0x0 | Reserved |
23:22 | RSVD | R | 0x0 | Reserved |
21 | TFQF | R | 0 | Tx FIFO/Queue Full
0 - Tx FIFO/Queue not full 1 - Tx FIFO/Queue full |
20:16 | TFQPI[4:0] | R | 0x0 | Tx FIFO/Queue Put Index
Tx FIFO/Queue write index pointer, range 0 to 31. |
15:13 | RSVD | R | 0x0 | Reserved |
12:8 | TFGI[4:0] | R | 0x0 | Tx FIFO Get Index
Tx FIFO read index pointer, range 0 to 31. Read as zero when Tx Queue operation is configured (TXBC.TFQM = ‘1’). |
7:6 | RSVD | R | 0x0 | Reserved |
5:0 | TFFL[5:0] | R | 0x0 | Tx FIFO Free Level
Number of consecutive free Tx FIFO elements starting from TFGI, range 0 to 32. Read as zero when Tx Queue operation is configured (TXBC.TFQM = ‘1’) Note: In case of mixed configurations where dedicated Tx Buffers are combined with a Tx FIFO or a Tx Queue, the Put and Get Indices indicate the number of the Tx Buffer starting with the first dedicated Tx Buffers Example: For a configuration of 12 dedicated Tx Buffers and a Tx FIFO of 20 Buffers a Put Index of 15 points to the fourth buffer of the Tx FIFO |