HFIXF1110CC.B3-998844 Cortina Systems Inc, HFIXF1110CC.B3-998844 Datasheet - Page 49

• Manufacturer Part Number: HFIXF1110CC.B3-998844
• Description: IC ETHERNET MAC 10PORT 552-CBGA
• Manufacturer: Cortina Systems Inc

Specifications of HFIXF1110CC.B3-998844

• Controller Type: Ethernet Controller, MAC
• Interface: SPI-4.2
• Voltage - Supply: 1.8 V, 2.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 575-BCBGA Exposed Pad (552 Bumps)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: 1008-1010

IXF1110 MAC
Datasheet
250210, Revision 11.0
13 April 2009
Note:
Note:
5.1.5
Note:
5.1.5.1
Cortina Systems
By default, IXF1110 MAC auto-negotiation is disabled by Register bit 5 (AN_enable) of the
Diverse Config ($ Port_Index + 0x18), on page
IXF1110 MAC can operate in forced mode, which is 1000 Mbps full duplex only. This is
equivalent to entering the state AN_DISABLE_LINK_OK as described in Figure 37-6 of
IEEE 802.3. The IXF1110 MAC can pass packets when auto-negotiation is disabled only
when the internal Synchronization State Machine indicates that the sync_status is OK as
described in Figure 36-9 of IEEE 802.3.
Packet IPG must contain a minimum of three consecutive /I1/ or /I2/ ordered sets per IEEE
802.3 for correct operation.
The IXF1110 MAC treats the K28.1 code word as an unknown control word; therefore, it
should not be used.
Auto-Negotiation
Auto-negotiation is carried out by an internal state machine within the MAC block in the
IXF1110 MAC. The IXF1110 MAC is fully IEEE 802.3z standard compliant.
The following three registers are involved in this auto-negotiation process: RX Config Word
TX Config Word, and Diverse Config:
The
advertised. The
enable auto-negotiation. The
must be polled to determine when auto-negotiation is complete. The following MAC
registers must be programmed to match the results upon completion:
In auto-negotiation mode, the TX SPI4-2 status bus (TSTAT[1:0]) is held in the SATISFIED
state until auto-negotiation completes and a valid link is established. This prevents the TX
FIFO from being filled prior to transmission of packets.
Determining If Link Is Established in Auto-Negotiation Mode
A valid link is established when the (AN_complete) bit is set and the RX_Sync bit reports
synchronization has occurred. Both register bits are located in the
($ Port_Index + 0x16), on page
If the link goes down after auto-negotiation is completed, RX_Sync indicates that a loss of
synchronization occurred. The IXF1110 MAC restarts auto-negotiation and attempts to
re-establish a link. Once a link has been re-established, the AN_complete bit is set and the
RX_sync bit shows that synchronization has occurred.
To manually restart auto-negotiation, bit 5 of the
page 129
®
• The
• The
• The
• Link LED:
• Flow Control: If the link partner does not support flow control, the
IXF1110 10-Port 1000 Mbps Ethernet Media Access Controller
auto-negotiation base page ability.
auto-negotiation advertisement.
($ Port_Index + 0x12), on page 127
TX Config Word ($ Port_Index + 0x17)
RX Config Word ($ Port_Index + 0x16), on page 128
TX Config Word ($ Port_Index + 0x17), on page 129
Diverse Config ($ Port_Index + 0x18), on page 129
(AN_enable) must be de-asserted, then re-asserted.
Link LED Enable ($ 0x502), on page 141
Diverse Config ($ Port_Index + 0x18)
RX Config Word ($ Port_Index + 0x16)
128.
must be updated to reflect this change.
must be written to program the modes
129. When auto-negotiation is disabled, the
Diverse Config ($ Port_Index + 0x18), on
bit 5 (AN_enable) must be written to
enables auto-negotiation.
performs the operation of
performs the operation of
5.1 Media Access Controller
RX Config Word
bit 21 (AN_complete)
FC Enable
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