
AD9923A
Rev. 0 | Page 84 of 88
Table 57. Field Registers
Address
(Hex)
00
01
02
03
04
05
06
07
08
09
0A
0B
Data Bits
[4:0]
[9:5]
[14:10]
[19:15]
[24:20]
[4:0]
[9:5]
[14:10]
[19:15]
[1:0]
[3:2]
[5:4]
[7:6]
[9:8]
[11:10]
[13:12]
[15:14]
[17:16]
[11:0]
[12]
[24:13]
[11:0]
[12]
[24:13]
[11:0]
[12]
[24:13]
[11:0]
[12]
[24:13]
[11:0]
[12]
[24:13]
[12:0]
[25:13]
[4:0]
[20:5]
[23:0]
[11:0]
[12]
[24:13]
Default
Value
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Update
Type
VD
VD
VD
VD
VD
VD
VD
VD
VD
VD
VD
VD
Name
SEQ0
SEQ1
SEQ2
SEQ3
SEQ4
SEQ5
SEQ6
SEQ7
SEQ8
MULT_SWEEP0
MULT_SWEEP1
MULT_SWEEP2
MULT_SWEEP3
MULT_SWEEP4
MULT_SWEEP5
MULT_SWEEP6
MULT_SWEEP7
MULT_SWEEP8
SCP0
Unused
SCP1
SCP2
Unused
SCP3
SCP4
Unused
SCP5
SCP6
Unused
SCP7
SCP8
Unused
VDLEN
HDLAST
VSTARTSECOND
VPATSECOND
SGMASK
SGPATSEL
SGACTLINE1
Unused
SGACTLINE2
Description
Selected V-sequence for first region in the field.
Selected V-sequence for second region in the field.
Selected V-sequence for third region in the field .
Selected V-sequence for fourth region in the field.
Selected V-sequence for fifth region in the field.
Selected V-sequence for sixth region in the field.
Selected V-sequence for seventh region in the field.
Selected V-sequence for eighth region in the field.
Selected V-sequence for ninth region in the field.
Enables multiplier mode and/or sweep mode for Region 0.
0: multiplier off/sweep off.
1: multiplier off/sweep on.
2: multiplier on/sweep off.
3: multiplier on/sweep on.
Enables multiplier mode and/or sweep mode for Region 1.
Enables multiplier mode and/or sweep mode for Region 2.
Enables multiplier mode and/or sweep mode for Region 3.
Enables multiplier mode and/or sweep mode for Region 4.
Enables multiplier mode and/or sweep mode for Region 5.
Enables multiplier mode and/or sweep mode for Region 6.
Enables multiplier mode and/or sweep mode for Region 7.
Enables multiplier mode and/or sweep mode for Region 8.
V-Sequence Change Position 0.
Must be set to 0.
V-Sequence Change Position 1.
V-Sequence Change Position 2.
Must be set to 0.
V-Sequence Change Position 3.
V-Sequence Change Position 4.
Must be set to 0.
V-Sequence Change Position 5.
V-Sequence Change Position 6.
Must be set to 0.
V-Sequence Change Position 7.
V-Sequence Change Position 8.
Must be set to 0.
VD field length (number of lines in the field).
HD last line length. Line length of last line in the field.
Start position for second V-pattern on SG active line.
Selected second V-pattern group for SG active line.
Masking of VSG outputs during SG active line.
Selection of VSG patterns for each VSG output.
SG Active Line 1.
Must be set to 0.
SG Active Line 2.