STC5425 Datasheet, PDF (33/48 Pages) Connor-Winfield Corporation – Line Card Clock

STC5425
Line Card Clock
Data sheet
Selected_Ref, 0x24 (R)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x24
Not used
Current selected reference
Indicates the current selected reference or operation mode.
Field Value
0
1~5
6 ~ 12
13
14, 15
Current selected reference
Freerun
Sync with Ref 1 ~ Ref 5
Reserved
Holdover
Reserved
Device_Holdover_History, 0x25 (R)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x25
0x26
0x27
0x28
Bits 0 - 7 of 32 bit Device Holdover History
Bits 8 - 15 of 32 bit Device Holdover History
Bits 16 - 23 of 32 bit Device Holdover History
Bits 24 - 31 of 32 bit Device Holdover History
The accumulated device holdover history relative to MCLK. 2’s complement. Resolution is 0.745x10^-3 ppb.
Short_Term_Accu_History, 0x2D (R)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x2D
0x2E
0x2F
0x30
Bits 0 - 7 of 32 bit Short term History
Bits 8 - 15 of 32 bit Short term History
Bits 16 - 23 of 32 bit Short term History
Bits 24 - 31 of 32 bit Short term History
Short term accumulated history relative to MCLK. 2’s complement. Resolution is 0.745x10^-3 ppb.
Short_Term_History_Bandwidth, 0x35 (R/W)
Address
Bit7
0x35
Bit6
Bit5
Not used
Bit4
Bit3
Bit2
Short Term History Accumulator
Bandwidth
Bandwidth of short term holdover history accumulator.
Bit1
Bit0
Not used
Preliminary
Page 33 of 48 TM113
Rev:P1.3
© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Date: September 20, 2011