STC4130 Datasheet, PDF (31/44 Pages) List of Unclassifed Manufacturers – Synchronous Clock for SETS

Default value: 6.
T0_Auto_Active_Ref, 0x1e (R)
0x1d, bits 4 ~ 0
9
10
31 ~ 11
STC4130
Synchronous Clock for SETS
Data Sheet
Bandwidth, Hz
0.18
0.09
Reserved
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x1e
Not used
Values from 0 - 12
Indicates the automatically selected active reference for T0, when the device is a “master”. When the device is
a “slave”, the mate’s active reference is indicated.
T0_Manual_Active_Ref, 0x1f (R/W)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x1f
Not used
Values from 0 - 15
Selects the active reference and the phase align mode for T0 in manual reference select mode.
Default value: 0.
Bit 3 ~ Bit 0
0000
0001 ~ 1100
1101 ~ 1111
T0_Long_Term_Accu_History, 0x24 (R)
Phase Align Mode/Ref selection
Freerun
Ref 1 ~ Ref 12
Holdover
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x24
Bits 0 - 7 of 32 bit Long Term Holdover History
0x25
Bits 8 - 15 of 32 bit Long Term Holdover History
0x26
Bits 16 - 23 of 32 bit Long Term Holdover History
0x27
Bits 24 - 31 of 32 bit Long Term Holdover History
Long term accumulated history for T0 relative to the TCXO. Resolution is 0.745x10^-3ppb.
T0_Short_Term_Accu_History, 0x28 (R)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x28
Bits 0 - 7 of 32 bit Short Term Holdover History
0x29
Bits 8 - 15 of 32 bit Short Term Holdover History
0x2a
Bits 16 - 23 of 32 bit Short Term Holdover History
0x2b
Bits 24 - 31 of 32 bit Short Term Holdover History
Short term accumulated history for T0 relative to the TCXO. Resolution is 0.745x10³ ppb.
Data Sheet #: TM084 Page 31 of 44 Rev: P02 Date: 12/5/06
© Copyright 2006 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice