BBT3821 Datasheet, PDF (51/75 Pages) Intersil Corporation – Octal 2.488Gbps to 3.187Gbps/ Lane Retimer

BIT
4.49160.15:14
4.49160.13
4.49160.12:10
4.49160.9
4.49160.8:6
4.49160.5
4.49160.12:10
4.49160.1
4.49160.0
BBT3821
Table 89. PHY XS OUTPUT AND TEST FUNCTION CONTROL REGISTER
MDIO REGISTER ADDRESS = 4.49160 (4.C008’h)
NAME
SETTING
DEFAULT
R/W
DESCRIPTION
Reserved
10’b
R/W
Test Function, do not alter
ENA_3
Enable Lane 3 O/P
1’b
R/W
0 = disable
Reserved
010’b
R/W
Test Function, do not alter
ENA_2
Enable Lane 2 O/P
1’b
R/W
0 = disable
Reserved
010’b
R/W
Test Function, do not alter
ENA_1
Enable Lane 1 O/P
1’b
R/W
0 = disable
Reserved
010’b
R/W
Test Function, do not alter
ENA_0
Enable Lane 0 O/P
1’b
R/W
0 = disable
Reserved
0’b
R/W
Test Function, do not alter
Table 90. PHY XS STATUS 4 LOS DETECTOR REGISTER
MDIO REGISTER ADDRESS = 4.49162 (4.C00A’h)
BIT
NAME
SETTING
DEFAULT R/W
DESCRIPTION
4.49162.15:4
4.49162.3
4.49162.2
Reserved
PHY_LOS_3
PHY_LOS_2
00’b
1 = Signal less than threshold 0’b
0 = Signal greater than threshold
0’b
RO/LH⁽¹⁾ Loss Of Signal for lane 3
Loss Of Signal for lane 2
4.49162.1
PHY_LOS_1
0’b
Loss Of Signal for lane 1
4.49162.0
PHY_LOS_0
0’b
Loss Of Signal for lane 0
Note (1): These bits are latched high on any LOS condition detected. They are reset low on being read.
BIT
4.49163.15:2
4.49163.1
4.49163.0
NAME
Reserved
TXCLK20
Test
Table 91. PHY XS CONTROL REGISTER 4
MDIO REGISTER ADDRESS = 4.49163 (4.C00B’h)
SETTING
DEFAULT R/W
00’h
0 = disable 1 = enable
0’b
R/W
Internal
0’b
R/W
DESCRIPTION
TXCLK20 pin output
User must keep at 0’b
Auto-Configure Register List
Table 92. AUTO-CONFIGURE REGISTERS
Auto-configure Pointer is (S), Auto-configure Size is (N), from 1.8106’h & 1.8105’h respectively
NVR ADDRESS
TARGET REGISTER BITS ADDRESS ⁽¹⁾
DEC
HEX
DEC
HEX
TARGET NAME⁽¹⁾
S+0
S+0
4.49158.[3:0]
4.C006.[3:0]
PHY XS Equalizer Value
S+1
S+1
4.49157.[7:0]
4.C005.[7:0]
PHY XS Pre-emphasis Lanes 1:0
S+2
S+2
4.49157.[15:8]
4.C005.[15:8]
PHY XS Pre-emphasis Lanes 3:2
S+3
S+3
1.49158.[3:0]
1.C006.[3:0]
PMA/PMD Equalizer Value
S+4
S+4
1.49157.[7:0]
1.C005.[7:0]
PMA/PMD Pre-emphasis Lanes 1:0
S+5
S+5
1.49157.[15:8]
1.C005.[15:8]
PMA/PMD Pre-emphasis Lanes 3:2
S+6
S+6
1.36864.[6:0].
1.9000.[6:0]
LASI RX Alarm Control
DETAILS
Table 87
Table 85
Table 43
Table 41
Table 24
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