AD9992BBCZ datasheet(88/92 Pages) AD

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AD9992

Rev. C | Page 88 of 92

Table 41. V-Sequence (VSEQ) Registers

Address

Data

Bits

Default

Value

Update

Type

Mnemonic

Description

0x00

[0]

SCP

CLPOBPOL

CLPOB start polarity.

[1]

PBLKPOL

PBLK start polarity.

[5:2]

HOLD

1: Enable HOLD function for each VPAT group (A, B, C, D).

[9:6]

VMASK_EN

1: Enable FREEZE/RESUME for each VPAT group (A, B, C, D).

[13:10]

CONCAT_GRP

Combine multiple VPAT groups together in one sequence. Set register equal

to 0x01 to enable.

[15:14]

VREP_MODE

Defines V-alternation repetition mode.

00: Single pattern alternation for all groups.

01: Two pattern alternation for all groups.

10: Three-pattern alternation for Group A. Groups B, C, and D

follow pattern {0, 1, 1, 0, 1, 1…}.

11: Four-pattern alternation for Group A. Two-pattern alternation

for Groups B, C, and D.

[19:16]

LASTREPLEN_EN

Enable use of last repetition counter for last repetition length of each group.

[23:20]

LASTTOG_EN

Enable the fifth toggle position for all V-signals in each group.

[25:24]

HBLK_MODE

Selection of HBLK modes:

00: HBLK Mode 0 (normal six-toggle operation).

01: HBLK Mode 1.

10: HBLK Mode 2. (Address 0x19 to Address 0x1E operate differently.)

11: Test only, do not access.

0x01

[12:0]

SCP

HDLENE

HD line length for even lines.

[25:13]

HDLENO

HD line length for odd lines.

0x02

[23:0]

SCP

VSGPATSEL

Selects which two toggle positions are used by each V-output when they

are configured as VSG pulses (Miscellaneous Register Address 0x1C, fixed

0: Use Toggle 1, Toggle 2.

1: Use Toggle 3, Toggle 4.

[24]

HDLENE_13

HD length Bit 13 for even lines when 14-bit H-counter is enabled.

[25]

HDLENO_13

HD length Bit 13 for odd lines when 14-bit H-counter is enabled.

0x03

[23:0]

SCP

VPOL_A

Starting polarities for each V-output signal (Group A).

0x04

[23:0]

SCP

VPOL_B

Starting polarities for each V-output signal (Group B).

0x05

[23:0]

SCP

VPOL_C

Starting polarities for each V-output signal (Group C).

0x06

[23:0]

SCP

VPOL_D

Starting polarities for each V-output signal (Group D).

0x07

[23:0]

SCP

GROUPSEL_0

Select which group each XV1 to XV12 signal is assigned to:

00: Group A.

01: Group B.

10: Group C.

11: Group D.

[1:0]: XV1.

[3:2]: XV2.

…

[23:22]: XV12.

0x08

[23:0]

SCP

GROUPSEL_1

Select which group each XV13 to XV24 signal is assigned to:

00: Group A.

01: Group B.

10: Group C.

11: Group D.

[1:0]: XV13.

[3:2]: XV14.

…

[23:22]: XV24.

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