PLT=B_0x0
Tx Queue 0 flow control register
| FCB_BPA | Flow Control Busy or Backpressure Activate |
| TFE | Transmit Flow Control Enable |
| PLT | Pause Low Threshold 0 (B_0x0): Pause Time minus 4 Slot Times (PT -4 slot times) 1 (B_0x1): Pause Time minus 28 Slot Times (PT -28 slot times) 2 (B_0x2): Pause Time minus 36 Slot Times (PT -36 slot times) 3 (B_0x3): Pause Time minus 144 Slot Times (PT -144 slot times) 4 (B_0x4): Pause Time minus 256 Slot Times (PT -256 slot times) 5 (B_0x5): Pause Time minus 512 Slot Times (PT -512 slot times) |
| DZPQ | Disable Zero-Quanta Pause |
| PT | Pause Time |