GS12341 datasheet(92/109 Pages) SEMTECH

92 / 109 page

GS12341

Final Data Sheet

Rev.1

PDS-061928

August 2019

92 of 109

Semtech

Proprietary & Confidential

www.semtech.com

Diagnostic Control Features

PRBS_

CHK_CFG

RSVD

R/W

Reserved - do not modify.

CFG_PRBS_CHECK_



PHASEADJUST

14:13

R/W

Adjusts the phase of the clock to the

PRBS checker. Values are:



0 = 0



1 = 90



2 = 180



3 = 270



Note: A setting of 0 is ideal for most

applications. Adjustment is not

expected.

CFG_PRBS_CHECK_



INVERT

R/W

Optionally inverts the reclocked data at

the input to the PRBS checker:



0 = no inversion



1 = data inverted

CFG_PRBS_CHECK_



PREDIVIDER

11:8

R/W

Selects pre-divider for PRBS check

measurement timer:



setting: pre-divider value



0 = 4



1 = 8



2 = 16



3 = 32



4 = 64



5 = 128



6 = 256



7 = 512



8 = 1024



9 = 2048

CFG_PRBS_CHECK_



MEAS_TIME

7:0

R/W

Selects PRBS check measurement

interval for timed measurements.



See Section 4.4.1 for more details.

PRBS_CHK_

CTRL

RSVD

15:9

R/W

Reserved - do not modify.

CTRL_PRBS_CHECK_



TIMED_CONT_B

8R/W

Selects between timed and continuous

PRBS check mode.



0 = Selects continuous PRBS check

mode.



1 = Selects timed PRBS check mode.

RSVD

7:1

R/W

Reserved - do not modify.

CTRL_PRBS_CHECK_



START

0R/W

Set to 1 by host to start a timed

operation.



Set to 0 by host after completion or

abort of the operation (by the device

due to loss of lock) to tell the device that

PRBS result has been read by the host.



See Section 4.4 for more details on PRBS

checker function.

Table 5-3: Control Register Descriptions (Continued)

Addressh

Name

Parameter Name

Bit

Slice

R/W

Reset

Valueh

Description

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