STC5420 Datasheet, PDF (42/70 Pages) Connor-Winfield Corporation – Synchronous Clock for SETS

STC5420
Synchronous Clock for SETS
Data sheet
Default value: 0
SRCSW_Status, 0x1E (R)
Field Value
0
1~12
13
14~15
Selection
Freerun
Ref1~Ref12
Holdover
Reserved
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x1E
Not used
Pin status
Indicates status of pin SRCSW.
0 = Low; 1 = High
Default value: 0
T0/T4_Tag_Select, 0x1F (R/W)
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x1F
Not used
Tag_Select
Selects register 0x20 ~ 0x3f mapping to T0 or T4 control mode.
0 = T0; 1 = T4
Default value: 0
Control_Mode, 0x20 (R/W)
Address
0x20
Bit7
Bit6
Hard_Wired_Switch Slave_Inherit_Mode
Bit5
OOP
Bit4
Ref_Sel_Mode
Bit3
Revertive
Bit2
HO_Usage
Bit1 Bit0
Internal Test
Mode control bits for individual timing generator.
Internal Test
0 = Normal operation; 1 ~3= Reserved
HO_Usage
Determines which holdover history is used.
0 = Device Holdover History (DHH); 1 = User specified history
Revertive
Selects the revertive mode or non-revertive mode of the auto selector.
0 = Non-revertive; 1 = Revertive
Ref_Sel_Mode
Determines reference selection mode.
0 = Manual; 1 = Auto
Page 42 of 70
Rev:2.0
© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
Date: September 28, 2011