E 89 – Achronix Speedster22i 10G/40G/100G Ethernet User Manual
Page 88

88
UG029, September 6, 2013
ABILITY_
2
Bit 0 is the ability word bit 32, bit 15 is the ability
word bit 47.
14
KXAN_RE
M_
ABILITY_
0
RO
Received ability word from remote, bits 15:0.
Bit 0 is the ability word bit 0, bit 15 is the ability
word bit 15.
0x0001
18
KXAN_RE
M_
ABILITY_
1
RO
Received ability word from remote, bits 31:16
Bit 0 is the ability word bit 16, bit 15 is the ability
word bit 31.
0x0
1C
KXAN_RE
M_
ABILITY_
2
RO
Received ability word from remote, bits 47:32
Bit 0 is the ability word bit 32, bit 15 is the ability
word bit 47.
0x0
20
KXAN_M
S_CNT
RW
Number of 6.4ns steps required for counting
1ms. Higher 16 bits of 18-bit counter value. The
lower 2 bits are fixed to "01" internally.
Defaults to 0x9896 representing a timer value of
156249, which defines 1 millisecond.
0x9896
24
AN_XNP_
0
RW
Auto negotiation Next page ability word bits 15:0
to be transmitted. Bit 0 is the ability word bit 0; bit
15 is the ability word bit 15.
0x0001
28
AN_XNP_
1
RW
Auto negotiation Next page ability word bits
31:16 to be transmitted. Bit 0 is the ability word
bit 16; bit 15 is the ability word bit 31.
0x0
2C
AN_XNP_
2
RW
Auto negotiation Next page ability word bits
47:32 to be transmitted. Bit 0 is the ability word
bit 32; bit 15 is the ability word bit 47.
0x0
30
LP_AN_X
NP_0
RO
Received Link partner Auto negotiation Next
page ability word bits 15:0. Bit 0 is the ability
word bit 0; bit 15 is the ability word bit 15.
0x0001
34
LP_AN_X
NP_1
RO
Received Link partner Auto negotiation Next
page ability word bits 31:16. Bit 0 is the ability
word bit 16; bit 15 is the ability word bit 31.
0x0
38
LP_AN_X
NP_2
RO
Received Link partner Auto negotiation Next
page ability word bits 47:32. Bit 0 is the ability
word bit 32; bit 15 is the ability word bit 47.
0x0
3C
BP_ETH_
STATUS
RO
Reflects the currently selected operating mode
(information from link_control). See Clause
45.2.7.
0 = always ‘1’
1 = 1G KX
2 = 10G KX4
3 = 10G KR
4 = FEC (not
supported, always ‘0’)
5 = 40G KR4
6 = 40G CR4
7 = reserved
8 = 100G CR10
Note: 10G-KX4 is not supported in this
implementation.
0x01