SI5324C-C-GM Datasheet, PDF (55/72 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/ JITTER ATTENUATOR

Si5324
Register 137.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
FASTLOCK
Type
R
R
R
R
R
R
R
R/W
Reset value = 0000 0000
Bit
Name
Function
7:1
Reserved Do not modify.
0
FASTLOCK This bit must be set to 1 to enable FASTLOCK. This improves initial lock time by
dynamically changing the loop bandwidth.
Register 138.
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
LOS2_EN [1:1] LOS1_EN [1:1]
Type
R
R
R
R
R
R
R/W
R/W
Reset value = 0000 1111
Bit
Name
Function
7:2
Reserved Reserved.
1 LOS2_EN [1:0] Enable CKIN2 LOS Monitoring on the Specified Input (2 of 2).
Note: LOS2_EN is split between two registers.
00: Disable LOS monitoring.
01: Reserved.
10: Enable LOSA monitoring.
11: Enable LOS monitoring.
LOSA is a slower and less sensitive version of LOS. See the Family Reference Manual
for details.
0 LOS1_EN [1:0] Enable CKIN1 LOS Monitoring on the Specified Input (1 of 2).
Note: LOS1_EN is split between two registers.
00: Disable LOS monitoring.
01: Reserved.
10: Enable LOSA monitoring.
11: Enable LOS monitoring.
LOSA is a slower and less sensitive version of LOS. See the Family Reference Manual
for details.
Rev. 1.0
55