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GX4002 Datasheet, PDF (66/74 Pages) Gennum Corporation – Dynamic on-chip power management control
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Table 7-1: Configuration and Status Register Map (Continued)
Register Name
CH0_REG15
CH0_REG16
RSVD
CH1_REG1
CH1_REG2
RSVD
CH1_REG4
RSVD
RSVD
RSVD
RSVD
CH1_REG9
CH1_REG10
CH1_REG11
Register
Addressd
Parameter Name
CH0PWR1
45
RSVD
RSVD
46
CH0PWR2
RSVD
47
RSVD
CH1LABOOST*
48
RSVD
CH1LABOOST
49
RSVD
50
RSVD
CH1LAOFFOVRVAL
51
RSVD
52
RSVD
53
RSVD
54
RSVD
55
RSVD
56
CH1LOSTHNEG*
57
CH1LOSTHPOS*
58
CH1LOSTHNEG
Bit
Position
Access
4:0
RW
7:5
RW
2:0
RW
4:3
RW
7:5
RW
7:0
RW
3:0
RW
7:4
RW
3:0
RW
7:4
RW
7:0
RW
6:0
RW
7:7
RW
7:0
RW
7:0
RW
7:0
RW
7:0
RW
7:0
RW
7:0
RW
7:0
RW
CH1_REG12
59
CH1LOSTHPOS
7:0
RW
CH1_REG13
CH1LOSHYS*
60
CH1LOSHYS
3:0
RW
7:4
RW
NOTE: * Indicates bits for lower data rates (below 10G operation)
Reset Valueb
01010
000
111
01
000
00000000
0000
0000
0000
0000
00000000
0111111
0
00010000
00000000
00000000
00001010
10000011
00010001
10000011
00010001
1001
1001
Valid
Ranged
Function
0-31
0-7
0-31
0-3
0-1
0-255
0-15
0-15
0-15
0-15
0-255
0-127
0-1
0-255
0-255
0-255
0-255
0-255
0-255
0-255
0-255
0-15
0-15
Main power configuration register for the Ch0
path. Default is the high-power setting. Refer
to Section 2.4.
Reserved. Do not change.
Reserved. Do not change.
Secondary power configuration register for the
Ch0 path. Default is the high-power setting.
Refer to Section 2.4.
Reserved. Do not change.
Reserved. Do not change.
0: 0dB to 15: 14dB.
Valid for below 10G operation.
Reserved. Do not change.
0: 0dB to 15: 14dB.
Valid for 10G to 14G operation.
Reserved. Do not change.
Reserved. Do not change.
Offset correction. 63 for 0 correction with
+64/-63 steps.
Reserved. Do not change.
Reserved. Do not change.
Reserved. Do not change.
Reserved. Do not change.
Reserved. Do not change.
Negative temperature coefficient LOS
threshold setting.
Valid for below 10G operation.
Positive temperature coefficient LOS threshold
setting. Valid for below 10G operation.
Negative temperature coefficient LOS
threshold setting.
Valid for 10G to 14G operation.
Positive temperature coefficient LOS threshold
setting.
Valid for 10G to 14G operation.
0: minimum hysteresis, 15: maximum hysteresis.
Valid for below 10G operation.
0: minimum hysteresis, 15: maximum hysteresis.
Valid for 10G to 14G operation.
GX4002 2x2 14.025Gb/s Crosspoint Switch with Trace
Equalization and Output De-Emphasis
Data Sheet
55972 - 0
March 2012
66 of 74
Proprietary & Confidential
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