Datasheet

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.