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3.18 Auto Negotiation Register (AUTNGO)
3.19 Manual Negotiation Register (MANNGO)
VLYNQ Port Registers
The auto negotiation register (AUTNGO) reflects the ability of the VLYNQ module residing in the device to
communicate with the remote VLYNQ device on their respective abilities after reset. The AUTNGO is
shown in Figure 26 and described in Table 24 .
Figure 26. Auto Negotiation Register (AUTNGO)
31 17 16
Reserved 2X
R-0 R-1
15 0
Reserved
R-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Table 24. Auto Negotiation Register (AUTNGO) Field Descriptions
Bit Field Value Description
31-17 Reserved 0 Reserved. Always read as 0. Writes have no effect.
16 2X Version 2.x mode.
0 Indicates that a link was established with a remote device that has a version 1.x VLYNQ module in it.
1 Indicates that a link was established with a remote device that has a version 2.x VLYNQ module in it.
15-0 Reserved 0 Reserved. Always read as 0. Writes have no effect.
The Manual Negotiation register (MANNGO) is used by the software when Bit 31 of the Auto Negotiation
Register indicates that VLYNQ is not able to communicate with the remote VLYNQ on their respective
abilities after reset. The MANNGO is shown in Figure 27 and described in Table 25
Figure 27. Manual Negotiation Register (MANNGO)
31 0
Reserved
R-0
LEGEND: R/W = Read/Write; - n = value after reset
Table 25. Manual Negotiation Register (MANNGO) Field Descriptions
Bit Field Value Description
31-0 Reserved 0 Reserved. Always read as 0. Writes have no effect
38 VLYNQ Port SPRUF89 – October 2007
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