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| GS6150 Datasheet, PDF (46/64 Pages) Gennum Corporation – Automatic or Manual Rate Selection | |||
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Table 5-1: Register Descriptions - Standard Address Space (Continued)
Address Register Name Parameter Name
Bit
Slice
R/W
Reset
Value
Description
Dh
RESERVED
RSVD
15:0 RO â Reserved.
Eh
RESERVED
RSVD
15:0 RO â Reserved.
RSVD
15:10 RW 0h Reserved. Do not change.
Enables LOS threshold adjustment based on
the settings in the
DDI[3:0]_LOS_THRESHOLD_CONTROL bits
in the LOS_CONTROL_REG_1 and
LOS_THRESHOLD_CONTROL_
ENABLE
9:9
RW
0h LOS_CONTROL_REG_2 registers.
0b: Default internal thresholds are used
1b: Thresholds used in the
LOS_CONTROL_REG_1 and
LOS_CONTROL_REG_2 registers
LOS_DEASSERT_TIME
LOS De-Assert Time Delay:
00b: 2.30μs
8:7
RW
2h 01b: 1.50μs
10b: 1.20μs
11b: 0.90μs
Fh
LOS_CONTROL_
REG_0
LOS_ASSERT_TIME
LOS_HYSTERESIS
LOS Assert Time Delay:
00b: 68μs
6:5
RW
2h 01b: 64μs
10b: 62μs
11b: 61μs
LOS Threshold Hysteresis Adjustment:
0000b: 0 dB
0001b: 0.32 dB
0010b: 0.64 dB
0011b: 0.98 dB
0100b: 1.34 dB
0101b: 1.70 dB
0110b: 2.09 dB
4:1
RW
0h 0111b: 2.49 dB
1000b: 2.84 dB
1001b: 3.28 dB
1010b: 3.74 dB
1011b: 4.23 dB
1100b: 4.75 dB
1101b: 5.30 dB
1110b: 5.89 dB
1111b: 6.53 dB
LOS_PWRDN_OVERRIDE
Override the internal power-down control
for the LOS circuit.
0:0
RW
0h 0b: LOS active
1b: LOS powered down
GS6150
Final Data Sheet
PDS-060127
Rev.2
March 2015
www.semtech.com
46 of 64
Proprietary & Confidential
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