1.4. Device Registers
CONTROL Register
Bit
Name
Function
0
LOCKEN 1
EVENT1 Capture Lockout Enable
0 = Disable Lockout
1 = Enable Lockout
1
EVSOURCE
EVENT1 Time Capture Register Source Select
0 = Event Input
1 = Periodic/DDS
(Select Active Edge With EVSENSE)
2
EVSENSE1
Event1 Edge Select
0 = Rising
1 = Falling
3
EVENTEN1
Event1 Capture Register Enable
0 = Disable
1 = Enable
(Use EVSOURCE to Select Event Source)
4
STREN
Time Coincidence Strobe Output Enable
0 = Disable (Strobe Output is Held Low)
1 = Enable
5
STRMODE
Time Coincidence Strobe Mode
0 = Use Major and Minor Time for Strobe Function
1 = Use Minor Time Only for Strobe Function
If STRMODE = 1, an Output Strobe is Produced Each Second
6
FREQSEL0
Output Frequency Select
00 = 10MHz
01 = 5MHz
1X = 1MHz
7
FREQSEL1
Output Frequency Select
00 = 10MHz
01 = 5MHz
1X = 1MHz
8
LOCKEN2
EVENT2 Capture Lockout Enable
0 = Disable Lockout
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