HFIXF1110CC.B2 Q E000 Intel, HFIXF1110CC.B2 Q E000 Datasheet - Page 62
HFIXF1110CC.B2 Q E000
Manufacturer Part Number
HFIXF1110CC.B2 Q E000
Description
Manufacturer
Intel
Datasheet
1.HFIXF1110CC.B2_Q_E000.pdf
(183 pages)
Specifications of HFIXF1110CC.B2 Q E000
Number Of Transceivers
1
Screening Level
Commercial
Mounting
Surface Mount
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Lead Free Status / RoHS Status
Not Compliant
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Intel
5.2.1.2
07-Oct-2005
62
®
Table 19. Control Word Definitions (Sheet 2 of 2)
Figure 11. Per-Port State Diagram with Transitions at Control Words
IXF1110 10-Port 1000 Mbps Ethernet Media Access Controller
The SPI4-2 specification details all available Payload Control Words and should be used to
reference the specific meaning of each. The IXF1110 MAC supports all required functions per this
specification. However, there are various specifics in the way certain Control Words affect the
balance of the IXF1110 MAC operation, such as how the device deals with EOP Aborts.
The SPI4-2 specification allows the EOP Abort Payload Control word, which signals that the data
associated with a particular frame is errored and should be dropped, or errored and dropped by the
far-end link partner. In the IXF1110 MAC, all TX SPI4-2 transfers that end with an EOP Abort
code have the TX SerDes CRC corrupted. This is true regardless of the MAC configuration.
Figure 11
may be active (sending data), paused (not sending data but pending the completion of an
outstanding packet), or inactive (not sending data, no outstanding packet).
EOP Abort
EOP Aborts is an End-of-Packet (EOP) termination that is sent out of the IXF1110
MAC SPI4-2 to tell the upstream SPI4-2 device that a packet is bad. EOP Abort packets are sent by
the IXF1110 MAC under the following conditions:
D
E
F
[15:12]
1101
1110
1111
Bit
shows per-port state transitions at control-word boundaries. At any given time, a port
Intel
INACTIVE
PORT [n]
Next Word
Valid
Valid
Valid
®
Status
IXF1110 10-Port 1000 Mbps Ethernet Media Access Controller
Order Number: 250210, Revision: 009
EOP w/ 2 bytes
EOP w/ 1 byte
EOP w/ 1 byte
(IC I PC[-n]) & EOP
Prior Word Status
PC[n] & SOP
Key:
IC:
PC[n]:
PC[-n):
SOP:
-SOP:
EOP:
-EOP:
&:
I:
Idle Control Word
Payload Control Word for port n
Payload Control Word for a port other than port n
Start-of-Packet in Payload Control Word
No Start-of-Packet in Payload Control Word
End-of-:acket in Control Word
No End-of-Packet in Control Word
AND
OR
PC[n] & -EOP & -SOP
PC[n] & EOP & SOP
PORT [n]
ACTIVE
Valid, no SOP, EOP with 1byte valid
Valid, SOP, EOP with 2 bytes valid
Valid, SOP, EOP with 1byte valid
(IC I PC[-n]) & -EOP
PC[n] & -SOP
Meaning
PORT [n]
PAUSED
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