AD9923A
Rev. A | Page 75 of 84
Address
(Hex)
Data
Bits
Default
Value
Update
Type
Name
Description
[6]: EXPOSURE.
[7]: READOUT.
Note that if EXPOSURE and READOUT are triggered together,
READOUT occurs immediately after the exposure is complete.
62
[2:0]
2
VD
READOUTNUM
Number of fields to suppress the SUBCK pulses during READOUT.
63
[11:0]
0
VD
EXPOSURENUM
Number of fields to suppress the SUBCK and VSG pulses during
exposure.
[12]
0
VDHDOFF
Disable VD and HD during exposure.
0: enable.
1: disable.
64
[11:0]
0
SG
SUBSUPPRESS
Number of SUBCK pulses to suppress after VSG line.
[23:12]
0
SUBCKNUM
Number of SUBCK pulses per field.
65
[1:0]
0
SG
SUBCKMASK
Additional masking of SUBCK output.
0: no mask.
1: begin mask on VD edge.
2: mask using internal SHUT3 signal.
3: same as 1 and 2 (1 has priority).
66
[0]
1
SG
SUBCKPOL
SUBCK pulse start polarity.
67
[12:0]
1FFF
SG
SUBCK1TOG1
First SUBCK Pulse Toggle Position 1.
[25:13]
1FFF
SUBCK1TOG2
First SUBCK Pulse Toggle Position 2.
68
[12:0]
1FFF
SG
SUBCK2TOG1
Second SUBCK Pulse Toggle Position 1.
[25:13]
1FFF
SUBCK2TOG2
Second SUBCK Pulse Toggle Position 2.
69
[0]
0
VD
VSUB0_MODE
VSUB0 readout mode.
0: Mode 0.
1: Mode 1.
[1]
0
VSUB0_KEEPON
VSUB0 keep-on mode.
0: turn VUB0 off after READOUT or at next VD.
1: keep VSUB0 active beyond READOUT, until reset to 0.
6A
[11:0]
0
VD
VSUB0_ON
VSUB0 on position.
[12]
0
Unused
Must be set to 0.
[13]
1
VSUB0POL
VSUB0 start polarity.
6B
[0]
0
VD
VSUB1_MODE
VSUB1 readout mode.
0: Mode 0.
1: Mode 1.
[1]
0
VSUB1_KEEPON
VSUB1 keep on mode.
1: keep VSUB1 active beyond readout.
6C
[11:0]
0
VD
VSUB1_ON
VSUB1 on position.
[12]
0
Unused
Must be set to 0.
[13]
1
VSUB1POL
VSUB1 start polarity.
6D
[0]
0
VD
SHUT0_ON
SHUT0 manual control of signal.
0: off.
1: on.
[1]
1
SHUT0POL
SHUT0 active polarity. 1: on state produces high output.
[2]
0
SHUT0_MAN
SHUT0 manual control enable.
0: disable.
1: enable manual control.
6E
[11:0]
0
VD
SHUT0_ON_FD
SHUT0 field on position. Ignored during manual or nonshutter mode.
6F
[11:0]
0
VD
SHUT0_ON_LN
SHUT0 line on position.
[12]
0
Unused
Must be set to 0.
[25:13]
0
VD
SHUT0_ON_PX
SHUT0 pixel on position.
70
[11:0]
0
VD
SHUT0_OFF_FD
SHUT0 field off position. Ignored during manual or nonshutter mode.