Table 9-28 – Xilinx 1000BASE-X User Manual
Page 144
144
Ethernet 1000BASE-X PCS/PMA or SGMII v9.1
UG155 March 24, 2008
Chapter 9: Configuration and Status
R
Register 16: SGMII Auto-Negotiation Interrupt Control
MDIO Register 16: SGMII Auto-Negotiation Interrupt Control
Table 9-28:
SGMII Auto-Negotiation Interrupt Control (Register 16)
Bit(s)
Name
Description
Attributes
Default Value
16.15:2
Reserved
Always return 0s
returns 0s
00000000000000
16.1
Interrupt
Status
1 = Interrupt is asserted
0 = Interrupt is not asserted
If the interrupt is enabled, this bit is
asserted on completion of an Auto-
Negotiation cycle across the SGMII
link; it is only cleared by writing ‘0’
to this bit.
If the Interrupt is disabled, the bit is
set to ‘0.’
NOTE: The an_interrupt port of the
core is wired to this bit.
read/
write
0
16.0
Interrupt
Enable
1 = Interrupt enabled
0 = Interrupt disabled
read/
write
1
15
0
Reg 16
RESER
VED
1
2
INTERR
UPT ST
A
TUS
INTERR
UPT ENABLE