AD9920ABBCZ datasheet(111/112 Pages) AD

111 / 112 page

AD9920A

Rev. B | Page 111 of 112

Table 64. Field Registers (Default Values Are Undefined)

Address

Data Bits

Default

Value

Update Type

Name

Description

0x00

[4:0]

SEQ0

Selected V-sequence for first region in the field.

[9:5]

SEQ1

Selected V-sequence for second region in the field.

[14:10]

SEQ2

Selected V-sequence for third region in the field.

[19:15]

SEQ3

Selected V-sequence for fourth region in the field.

[24:20]

SEQ4

Selected V-sequence for fifth region in the field.

0x01

[4:0]

SEQ5

Selected V-sequence for sixth region in the field.

[9:5]

SEQ6

Selected V-sequence for seventh region in the field.

[14:10]

SEQ7

Selected V-sequence for eighth region in the field.

[19:15]

SEQ8

Selected V-sequence for ninth region in the field.

[21:20]

MULT_SWEEP0

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.

[23:22]

MULT_SWEEP1

Enables multiplier mode and/or sweep mode for Region 1.

[25:24]

MULT_SWEEP2

Enables multiplier mode and/or sweep mode for Region 2.

0x02

[12:0]

HDLASTLEN

HD last line length. Line length of last line in the field.

[14:13]

MULT_SWEEP3

Enables multiplier mode and/or sweep mode for Region 3.

[16:15]

MULT_SWEEP4

Enables multiplier mode and/or sweep mode for Region 4.

[18:17]

MULT_SWEEP5

Enables multiplier mode and/or sweep mode for Region 5.

[20:19]

MULT_SWEEP6

Enables multiplier mode and/or sweep mode for Region 6.

[22:21]

MULT_SWEEP7

Enables multiplier mode and/or sweep mode for Region 7.

[24:23]

MULT_SWEEP8

Enables multiplier mode and/or sweep mode for Region 8.

[25]

HDLASTLEN_13

HD last line length bit [13] when 14-bit H-counter is enabled.

0x03

[12:0]

SCP0

V-Sequence Change Position 0.

[25:13]

SCP1

V-Sequence Change Position 1.

0x04

[12:0]

SCP2

V-Sequence Change Position 2.

[25:13]

SCP3

V-Sequence Change Position 3.

0x05

[12:0]

SCP4

V-Sequence Change Position 4.

[25:13]

SCP5

V-Sequence Change Position 5.

0x06

[12:0]

SCP6

V-Sequence Change Position 6.

[25:13]

SCP7

V-Sequence Change Position 7.

0x07

[12:0]

SCP8

V-Sequence Change Position 8.

[25:13]

VDLEN

VD field length (number of lines in the field).

0x08

[12:0]

SGACTLINE1

SG Active Line 1.

[25:13]

SGACTLINE2

SG Active Line 2. Set to SG Active Line 1 or maximum if not used.

0x09

[23:0]

SGMASK

Masking of VSG outputs during SG active line.

0x0A

[12:0]

CLPMASKSTART1

CLPOB Mask Region 1 start position. Set to 8191 to disable.

[25:13]

CLPMASKEND1

CLPOB Mask Region 1 end position. Set to 0 to disable.

0x0B

[12:0]

CLPMASKSTART2

CLPOB Mask Region 2 start position. Set to 8191 to disable.

[25:13]

CLPMASKEND2

CLPOB Mask Region 2 end position. Set to 0 to disable.

0x0C

[12:0]

CLPMASKSTART3

CLPOB Mask Region 3 start position. Set to 8191 to disable.

[25:13]

CLPMASKEND3

CLPOB Mask Region 3 end position. Set to 0 to disable.

0x0D

[12:0]

PBLKMASKSTART1

PBLK Mask Region 1 start position. Set to 8191 to disable.

[25:13]

PBLKMASKEND1

PBLK Mask Region 1 end position. Set to 0 to disable.

0x0E

[12:0]

PBLKMASKSTART2

PBLK Mask Region 2 start position. Set to 8191 to disable.

[25:13]

PBLKMASKEND2

PBLK Mask Region 2 end position. Set to 0 to disable.

0x0F

[12:0]

PBLKMASKSTART3

PBLK Mask Region 3 start position. Set to 8191 to disable.

[25:13]

PBLKMASKEND3

PBLK Mask Region 3 end position. Set to 0 to disable.

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