Intel IXF1104 manual “FC TX Timer Value $ Port_Index + 0x07 XOFF, Datasheet, Strobe

Models: IXF1104

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“FC TX Timer Value ($ Port_Index + 0x07)" (XOFF).

IXF1104 Quad-Port 10/100/1000 Mbps Ethernet Media Access Controller

Table 23. Valid Decodes for TXPAUSEADD[2:0]

TXPAUSEADD_2:0

 

Operation of TX Pause Control Interface

 

 

0x0

Transmits a PAUSE frame on every port with a pause_time = ZERO (XON)

(Cancels all previous pause commands).

 

 

 

0x1

Transmits a PAUSE frame on port 0 with pause_time equal to the value programmed

in the port 0

“FC TX Timer Value ($ Port_Index + 0x07)" (XOFF).

 

 

 

0x2

Transmits a PAUSE frame on port 1 with pause_time equal to the value programmed

in the port 1

“FC TX Timer Value ($ Port_Index + 0x07)" (XOFF).

 

 

 

0x3

Transmits a PAUSE frame on port 2 with pause_time equal to the value programmed

in the port 2

“FC TX Timer Value ($ Port_Index + 0x07)" (XOFF).

 

 

 

0x4

Transmits a PAUSE frame on port 3 with pause_time equal to the value programmed

in the port 3

“FC TX Timer Value ($ Port_Index + 0x07)" (XOFF).

 

 

 

0x5 to 0x6

Reserved. Do not use these addresses. The TX Pause Control interface will not

operate under these conditions.

 

 

 

 

Transmits a PAUSE frame on every port with pause_time equal to the value

0x7

programmed in the “FC TX Timer Value ($ Port_Index + 0x07)" for each port

 

(XOFF).

 

 

 

 

Figure 10. Transmit Pause Control Interface

TXPAUSEFR

TXPAUSEADD0

TXPAUSEADD1

TXPAUSEADD2

This example shows the following conditions:

Strobe 1:

Port 0: Transmit Pause Packet (XOFF)

Strobe 2:

All Ports: Transmit Pause Packet with pause_time = 0 (XON)

Strobe 3:

Port 3: Transmit Pause Packet (XOFF)

B3234-01

Datasheet

73

Document Number: 278757

Revision Number: 007

Revision Date: March 25, 2004

Page 73
Image 73
Intel IXF1104 manual “FC TX Timer Value $ Port_Index + 0x07 XOFF, Datasheet, TXPAUSEFR TXPAUSEADD0 TXPAUSEADD1 TXPAUSEADD2