AD9923A
Rev. A | Page 74 of 84
Table 52. Shutter Control Registers
Address
(Hex)
Data
Bits
Default
Value
Update
Type
Name
Description
60
[2:0]
0
VD
VSUB_CTRL
Selects which internal signal is used for the VSUB output pin.
0: use SHUT0 parameters (Register 0x06D to Register 0x071).
1: use SHUT1 parameters (Register 0x072 to Register 0x076).
2: use SHUT2 parameters (Register 0x077 to Register 0x07B).
3: use SHUT3 parameters (Register 0x07C to Register 0x080).
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
See Register 0xEB, Bits[15,13:12] for VSUB0_MUX, VSUB1_MUX, and
SHUT1_SHUT2_MUX.
[5:3]
1
MSHUT_CTRL
Selects which internal signal is used for the MSHUT output pin.
0: use SHUT0 parameters.
1: use SHUT1 parameters.
2: use SHUT2 parameters.
3: use SHUT3 parameters.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
See Register 0xEB, Bits[15,13:12] for VSUB0_MUX, VSUB1_MUX, and
SHUT1_SHUT2_MUX.
[8:6]
2
STROBE_CTRL
Selects which internal signal is used for the STROBE output pin.
0: use SHUT0 parameters.
1: use SHUT1 parameters.
2: use SHUT2 parameters.
3: use SHUT3 parameters.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
See Register 0xEB, Bits[15,13:12] for VSUB0_MUX, VSUB1_MUX, and
SHUT1_SHUT2_MUX.
[11:9]
3
TESTO_CTRL
Selects which internal signal is used for the TESTO signal.
0: use SHUT0 parameters.
1: use SHUT1 parameters.
2: use SHUT2 parameters.
3: use SHUT3 parameters.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
See Register 0xEB, Bits[15,13:12] for VSUB0_MUX, VSUB1_MUX, and
SHUT1_SHUT2_MUX.
61
[7:0]
0
VD
TRIGGER
Trigger for exposure/readout operation. Set bits high to trigger.
[0]: SHUT0.
[1]: SHUT1.
[2]: SHUT2.
[3]: SHUT3.
[4]: VSUB0.
[5]: VSUB1.