GS6150 Datasheet, PDF (47/64 Pages) Gennum Corporation – Automatic or Manual Rate Selection

Table 5-1: Register Descriptions - Standard Address Space (Continued)
Address Register Name Parameter Name
Bit
Slice
R/W
Reset
Value
Description
LOS signal threshold for input DDI1 at
DDI1_LOS_THRESHOLD_
CONTROL
15:8
RW
device pins is:
5A_{h 1.9mVppd x DDI1_LOS_THRESHOLD_CONTROL x}
(53/DEVICE_SPECIFIC_LOS_THRESHOLD)
10_h
LOS_CONTROL_
REG_1
(All above values are in decimal)
LOS signal threshold for input DDI0 at
DDI0_LOS_THRESHOLD_
CONTROL
device pins is:
7:0
RW
5A_{h 1.9mVppd x DDI0_LOS_THRESHOLD_CONTROL x}
(53/DEVICE_SPECIFIC_LOS_THRESHOLD)
(All above values are in decimal)
LOS signal threshold for input DDI3 at
DDI3_LOS_THRESHOLD_
CONTROL
15:8 RW
device pins is:
5A_{h 1.9mVppd x DDI3_LOS_THRESHOLD_CONTROL x (53/}
DEVICE_SPECIFIC_LOS_THRESHOLD)
11_h
LOS_CONTROL_
REG_2
(All above values are in decimal)
LOS signal threshold for input DDI2 at
DDI2_LOS_THRESHOLD_
CONTROL
7:0
device pins is:
RW
5A_{h 1.9mVppd x DDI2_LOS_THRESHOLD_CONTROL x}
(53/DEVICE_SPECIFIC_LOS_THRESHOLD)
(All above values are in decimal)
RSVD
15:8 RO — Reserved.
12_h
LOS_STATUS
DEVICE_SPECIFIC_LOS_
THRESHOLD
7:0
RO
—
Trimmed setting to achieve LOS threshold of
100mV_ppd
13_h
RESERVED
RSVD
15:0 RW 280_h Reserved. Do not change.
14_h
RESERVED
RSVD
15:0 RO — Reserved.
RSVD
15:3 RW 0_h Reserved. Do not change.
Enables/Disables the reference buffer
output.
15_h
REF_CLK_
CONTROL
XTAL_BUF_OUT_ENABLE
2:2
RW
1_{h 0b: XTAL_BUF_OUT disabled}
1_b: XTAL_BUF_OUT enabled
RSVD
1:1 RW 0_h Reserved. Do not change.
RSVD
0:0 RW 0_h Reserved. Do not change.
RSVD
15:1 RO — Reserved.
16_h REF_CLK_STATUS
XTAL_CLK_DET
0:0 RO
Indicates whether an external 27MHz
reference is being used by the device or its
- ^{internal oscillator.}
0_b: Internal oscillator being used
1_b: External crystal being used
GS6150
Final Data Sheet
PDS-060127
Rev.2
March 2015
www.semtech.com
47 of 64
Proprietary & Confidential