AD9927 Analog Devices, AD9927 Datasheet - Page 68

• Manufacturer Part Number: AD9927
• Description: 14-Bit CCD Signal Processor
• Manufacturer: Analog Devices

AD9927
XV1 TO XV24
DESIGNATOR
SYNC
SCP
VD
HD
SYNC
VD
FIELD
SYNC
VD
1
5
1
NOTES
1. VD-UPDATED REGISTERS (FOR EXAMPLE, PRIMARY_ACTION) ARE DISABLED DURING THE SYNC INTERVAL.
VD REGISTERS ARE UPDATED HERE.
1
1
7
1
2
3
SYNC_MASK_VD IS A NEW REGISTER. HI WILL MASK VD. DEFAULT = HI.
SYNC_MASK_HD IS A NEW REGISTER. HI WILL MASK HD. DEFAULT = LO.
V-OUTPUT PULSES CONTINUE IN SEQUENCE.
Figure 83. Special SYNC Mode Effect on Field Designator
1
1
1
2
3
FIELD DESIGNATOR IS INCREMENTED ON BOTH SYNC EDGES.
Figure 82. Register Update Behavior
Figure 81. Enhanced SYNC Mode 3
Rev. 0 | Page 68 of 100
VDLEN
3
1
1
1
5
1
7