
AD9925
Table 42. SG Pattern Register Map
Address Data Bit Content
50
[0]
[1]
[2]
[3]
51
[11:0]
[23:12]
52
[11:0]
[23:12]
53
[11:0]
[23:12]
54
[11:0]
[23:12]
55
[5:0]
[6]
Rev. A | Page 64 of 96
Default Value
1
1
1
Register Name
SGPOL_0
SGPOL_1
SGPOL_2
Register Description
Start Polarity for SG Pattern No. 0.
Start Po
Start Polarity for SG Pattern No. 2.
Start Polarity for SG Pattern No. 3.
Pattern No. 0 Toggle Position
Pattern No. 0 Toggle P
Pattern No. 1 Toggle P
Pattern No. 1 Toggle P
Pattern No. 2 Toggle P
Pattern No. 2 Toggle P
Pattern No. 3 Toggle P
Pattern No. 3 Toggle P
SGMASK Override. These values will immediately override the SG
masking values located in the field registers.
0: Use SG Masking in Field Registers, 1: Enable SGMASK Override.
1
FFF
FFF
FFF
FF
FFF
FFF
FFF
FF
0
0
SGPOL_3
SGTOG1_0
SGTOG2_0
SGTOG1_1
SGTOG2_1
SGTOG1_2
SGTOG2_2
SGTOG1_3
SGTOG2_3
SGMASK_OVR
SGMASKOVR_EN
larity for SG Pattern No. 1.
1.
osition 2.
osition 1.
osition 2.
osition 1.
osition 2.
osition 1.
osition 2.
F
F
Table 43. Shutter Control Regi
Address
Data Bit Co
60
[4:0]
r Map
fault Value
De
0
ntent
e
ste
Register Nam
TRIGGER
Register Description
Trigger for VSUB [0], M
Readout [4]. Note tha
occur after the exposu
should be triggered to
Number of Fields to Suppre
Line.
Number of Fields to Suppre
Set = 1 to disable the VD/HD o
field).
Number of SUBCK Pulses to Suppress after VSG Line.
Number of SUBCK Pulses per Field.
SUBCK Pulse Start Polarity.
First SUBCK Pulse. Toggle Position 1.
First SUBCK Pulse. Toggle Position 2.
Second SUBCK Pulse. Toggle Position 1.
Second SUBCK Pulse. Toggle Position 2.
VSUB Readout Mode. 0: Mode 0, 1: Mode 1.
0: Turn Off VSUB after Readout, 1: Keep VSUB On after Readout.
VSUB Online Position.
VSUB Active Polarity.
MSHUT Active Polarity.
MSHUT Manual Enable (Opens Shutter at Next VD Edge).
MSHUT On Position—Line.
MSHUT On Position—Pixel.
MSHUT Off Position—Field.
MSHUT Off Position—Line.
MSHUT Off Position—Pixel.
STROBE Active Polarity.
STROBE On Position—Field.
STROBE On Position—Line.
STROBE On Position—Pixel.
STROBE Off Position—Field.
STROBE Off Position—Line.
STROBE Off Position—Pixel.
13
th
Bit for SUBCK Toggle Position Placement.
SHUT [1], STROBE [2], Exposure [3], and
t to trigger the readout to automatically
re period, both exposure and readout
gether.
ss the SUBCK Pulses after the VSG
61
[2:0]
2
READOUT
62
[11:0]
[12]
0
0
EXPOSURE
VDHDOFF
ss the SUBCK and VSG Pulses.
utputs during exposure (when >1
63
[11:0]
[23:12]
[0]
[11:0]
[23:12]
[11:0]
[23:12]
[0]
[1]
[11:0]
[12]
[0]
[1]
[11:0]
[23:12]
[11:0]
[11:0]
[23:12]
[0]
[11:0]
[11:0]
[23:12]
[11:0]
[11:0]
[23:12]
[3:0]
0
0
1
FFF
FFF
FFF
FFF
0
0
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
SUBCKSUPPRESS
SUBCKNUM
SUBCKPOL
SUBCK1TOG1
SUBCK1TOG2
SUBCK2TOG1
SUBCK2TOG2
VSUBMODE
VSUBKEEPON
VSUBON
VSUBPOL
MSHUTPOL
MSHUTON
MSHUTON_LN
MSHUTON_PX
MSHUTOFF_FD
MSHUTOFF_LN
MSHUTOFF_PX
STROBPOL
STROBON_FD
STROBON_LN
STROBON_PX
STROBOFF_FD
STROBOFF_LN
STROBOFF_PX
SUBCKTOG13
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
70
71
72