Datasheet

AD9923A
Rev. A | Page 79 of 84
Unused XV-channels must have toggle positions programmed to maximum values. For example, if XV1 to XV8 are used, XV9 to XV12
must have all toggle positions set to maximum values. This prevents unpredictable behavior because the default values are unknown.
Table 56. V-Pattern Group 0 (VPAT0) Registers
Address
(Hex) Data Bits
Default
Value
Update
Type Name Description
00 [12:0] Undefined SCP XV1TOG1 XV1 Toggle Position 1.
[25:13] Undefined XV1TOG2 XV1 Toggle Position 2.
01 [12:0] Undefined SCP XV1TOG3 XV1 Toggle Position 3.
[25:13] Undefined XV1TOG4 XV1 Toggle Position 4.
02 [12:0] Undefined SCP XV2TOG1 XV2 Toggle Position 1.
[25:13] Undefined XV2TOG2 XV2 Toggle Position 2.
03 [12:0] Undefined SCP XV2TOG3 XV2 Toggle Position 3.
[25:13] Undefined XV2TOG4 XV2 Toggle Position 4.
04 [12:0] Undefined SCP XV3TOG1 XV3 Toggle Position 1.
[25:13] Undefined XV3TOG2 XV3 Toggle Position 2.
05 [12:0] Undefined SCP XV3TOG3 XV3 Toggle Position 3.
[25:13] Undefined XV3TOG4 XV3 Toggle Position 4.
06 [12:0] Undefined SCP XV4TOG1 XV4 Toggle Position 1.
[25:13] Undefined XV4TOG2 XV4 Toggle Position 2.
07 [12:0] Undefined SCP XV4TOG3 XV4 Toggle Position 3.
[25:13] Undefined XV4TOG4 XV4 Toggle Position 4.
08 [12:0] Undefined SCP XV5TOG1 XV5 Toggle Position 1.
[25:13] Undefined XV5TOG2 XV5 Toggle Position 2.
09 [12:0] Undefined SCP XV5TOG3 XV5 Toggle Position 3.
[25:13] Undefined XV5TOG4 XV5 Toggle Position 4.
0A [12:0] Undefined SCP XV6TOG1 XV6 Toggle Position 1.
[25:13] Undefined XV6TOG2 XV6 Toggle Position 2.
0B [12:0] Undefined SCP XV6TOG3 XV6 Toggle Position 3.
[25:13] Undefined XV6TOG4 XV6 Toggle Position 4.
0C [12:0] Undefined SCP XV7TOG1 XV7 Toggle Position 1.
[25:13] Undefined XV7TOG2 XV7 Toggle Position 2.
0D [12:0] Undefined SCP XV7TOG3 XV7 Toggle Position 3.
[25:13] Undefined XV7TOG4 XV7 Toggle Position 4.
0E [12:0] Undefined SCP XV8TOG1 XV8 Toggle Position 1.
[25:13] Undefined XV8TOG2 XV8 Toggle Position 2.
0F [12:0] Undefined SCP XV8TOG3 XV8 Toggle Position 3.
[25:13] Undefined XV8TOG4 XV8 Toggle Position 4.
10 [12:0] Undefined SCP XV9TOG1 XV9 Toggle Position 1.
[25:13] Undefined XV9TOG2 XV9 Toggle Position 2.
11 [12:0] Undefined SCP XV9TOG3 XV9 Toggle Position 3.
[25:13] Undefined XV9TOG4 XV9 Toggle Position 4.
12 [12:0] Undefined SCP XV10TOG1 XV10 Toggle Position 1.
[25:13] Undefined XV10TOG2 XV10 Toggle Position 2.
13 [12:0] Undefined SCP XV10TOG3 XV10 Toggle Position 3.
[25:13] Undefined XV10TOG4 XV10 Toggle Position 4.
14 [12:0] Undefined SCP XV11TOG1 XV11 Toggle Position 1.
[25:13] Undefined XV11TOG2 XV11 Toggle Position 2.
15 [12:0] Undefined SCP XV11TOG3 XV11 Toggle Position 3.
[25:13] Undefined XV11TOG4 XV11 Toggle Position 4.
16 [12:0] Undefined SCP XV12TOG1 XV12 Toggle Position 1.
[25:13] Undefined XV12TOG2 XV12 Toggle Position 2.