MAC 802.3 Pause Frame Support

Note: Refer to the Clause 31, and Annex 31A and 31B of the IEEE standard 802.3 for a full description of MAC 802.3 pause operation.

The following table shows the start of a MAC 802.3 pause frame.

Table 1. Start of an 802.3 Pause Frame
Address Type

(MAC Control Frame)

 Pause
Destination Source Opcode Time
0x0180C2000001 6 bytes 0x8808 0x0001 2 bytes

The GMAC supports both hardware controlled pause of the transmitter, upon reception of a pause frame, and hardware generated pause frame transmission.

Parent topic: Functional Description