STC5455 Datasheet, PDF (35/56 Pages) Connor-Winfield Corporation – Synchronous Clock for SETS

STC5455
Synchronous Clock for SETS
Data sheet
SRCSW to hard-wired switch between two pre-selected reference inputs. See register
Hard-wired_Switch_Pre_Selection.
Default value: 0
Loop_Bandwidth, 0x21 (R/W)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x21
Bandwidth select
Sets each timing generator’s loop bandwidth:
Default value: 6
Auto_Elect_Ref, 0x22 (R)
Field Value
0
1
2
3
4
5
6
7
8
9
10
11~255
Bandwidth, Hz
103
52
27
13
6.7
3.4
1.7
0.84
0.42
0.21
0.10
Reserved
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x22
Not used
Auto elected reference
Indicates the auto-elect reference. The auto-elect reference is elected according to revertivity status, and each
reference’s priority and qualification. Reference auto-elector also elect the reference in manual reference
selection mode.
Bit 3 ~ Bit 0
0
1 ~5
6 ~ 12
13
14 ~15
Manual_Select_Ref, 0x23 (R/W)
Selection
Freerun
Sync with Ref 1 ~ Ref 5
Reserved
Holdover
Reserved
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x23
Not used
Manually selected reference
Preliminary
Page 35 of 56 TM121
Rev:P1.3
© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Date: October 24, 2011