Datasheet

AD9923A
Rev. A | Page 51 of 84
Table 40. VSUB0 to VSUB1 and SHUT0 to SHUT3 Register Parameters
Register Length (Bits) Range Description
VSUB_CTRL 3 0 to 7 Selects which internal shutter signal is mapped to the VSUB pin.
0: SHUT0.
1: SHUT1.
2: SHUT2.
3: SHUT3.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
MSHUT_CTRL 3 0 to 7 Selects which internal shutter signal is mapped to the MSHUT pin.
0: SHUT0.
1: SHUT1.
2: SHUT2.
3: SHUT3.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
STROBE_CTRL 3 0 to 7 Selects which internal shutter signal is mapped to the STROBE pin.
0: SHUT0.
1: SHUT1.
2: SHUT2.
3: SHUT3.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
TESTO_CTRL 3 0 to 7 Selects which internal shutter signal is mapped to the TEST0 signal.
0: SHUT0.
1: SHUT1.
2: SHUT2.
3: SHUT3.
4: use VSUB0_MUX output.
5: use VSUB1_MUX output.
6: invalid setting.
7: use SHUT1_SHUT2_MUX output.
VSUB0_MUX 1 High/low 0 = use VSUB0.
1 = use SHUT0 ^ VSUB0.
VSUB1_MUX 1 High/low 0 = use VSUB1.
1 = use SHUT0 ^ VSUB 1.
SHUT1_SHUT2_MUX 1 High/low 0 = use SHUT0 ^ SHUT1.
1 = use SHUT0 ^ SHUT2.
VSUB_MODE 1b High/low VSUB mode. See Figure 67.
0 = Mode 0.
1 = Mode 1.
VSUB_KEEPON 1 High/low VSUB keep-on mode. VSUB stays active after readout when set high.
VSUB_ON 12 0 to 4095 line location VSUB on position. Can turn on at any line in the field.
VSUBPOL 1 High/low VSUB start polarity. When VSUB is triggered on.
SHUT_ON 1 On/off SHUT manual control.
0 = SHUT off.
1 = SHUT on.
SHUTPOL 1 High/low SHUT active polarity.