QT2022/32 - Data Sheet: DS3051
Table 34: XENPAK EEPROM Register Map
MDIO register
EEPROM reg
address
bits7:0default
a
address
value
XENPAK MSA Description
0
0
32775
8007
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
01
00
00
00
first register, first register used for checksum calculation
:
6
6
7
32781
32782
800D
800E
customer field address
vendor field address
7
:
17
:
11
32792
8018
10GBASE type
43
44
45
46
:
2B
2C
2D
2E
32818
32819
32820
32821
8032
8033
8034
8035
Package Identifier OUI mapped to MDIO register 1.14 upper byte
Package Identifier OUI mapped to MDIO register 1.14 lower byte
Package Identifier OUI mapped to MDIO register 1.15 upper byte
Package Identifier OUI mapped to MDIO register 1.15 lower byte
82
:
52
63
32857
32874
32890
8059
806A
807A
99
:
115
116
117
118
73
74
75
76
DOM capability
32892
32893
807C
807D
last register used for checksum calculation
basic field checksum value, default last lower protected EEPROM register
(PL)
119
:
77
32894
807E
00
00
00
00
start of customer writeable area
166
167
:
A6
A7
32941
32942
80AD
80AE
end of customer writeable area
start of vendor specific registers, default start of upper prot reg (PU)
200
C8
32975
80CF
00
Register upload configuration capability (See Section 10.7 on page 91)
Bit 1: Register value upload enable control for two external EEPROMs. ‘1’
indicates upload enable.
Bit 4:2: Slave address for the first 256x8 external EEPROM which stores
the registers upload values. If this value is ‘000’ or ‘111’ take no action.
Bit 7:5: Slave address for the second 256x8 external EEPROM which
stores the register upload values. If this value is ‘000’ or ‘111’ take no
action.
80
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