SI5325/26-EVB Silicon Laboratories Inc, SI5325/26-EVB Datasheet - Page 22

• Manufacturer Part Number: SI5325/26-EVB
• Description: BOARD EVAL FOR SI5325/26
• Manufacturer: Silicon Laboratories Inc

Specifications of SI5325/26-EVB

• Main Purpose: Timing, Clock Generator
• Utilized Ic / Part: SI5325, SI5326
• Processor To Be Evaluated: Si5325 and Si5326
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Si5325
Reset value = 0010 1100
22
Register 19.
Name
Type
Bit
7:5
6:5
4:3
2:0
Bit
VALTIME [1:0] VALTIME [1:0].
FOS_EN
FOS_THR
Reserved
FOS_EN
R/W
Name
D7
[1:0]
FOS_EN.
Frequency Offset Enable globally disables FOS. See the individual FOS enables
(FOSX_EN, register 139).
0: FOS disable
1: FOS enabled by FOSx_EN
FOS_THR [1:0].
Frequency Offset at which FOS is declared:
00: ± 11 to 12 ppm (Stratum 3/3E compliant, with a Stratum 3/3E used for REFCLK
01: ± 48 to 49 ppm (SMC)
10: ± 30 ppm (SONET Minimum Clock (SMC), with a Stratum 3/3E used for REFCLK.
11: ± 200 ppm
Sets amount of time for input clock to be valid before the associated alarm is removed.
00: 2 ms
01: 100 ms
10: 200 ms
11: 13 seconds
Reserved.
D6
FOS_THR [1:0]
R/W
D5
Preliminary Rev. 0.4
D4
VALTIME [1:0]
R/W
Function
D3
D2
Reserved
D1
R
D0