AD9927BBCZ datasheet(95/100 Pages) AD

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AD9927

Rev. 0 | Page 95 of 100

Table 60. V-Sequence (VSEQ) Registers

Address

Data

Bits

Default

Value

Update

Type

Name

Description

[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.

[12:0]

SCP

HDLENE

HD line length for even lines.

[25:13]

HDLENO

HD line length for odd lines.

[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 Toggles 1, 2; 1 = use Toggles 3, 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.

[23:0]

SCP

VPOL_A

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

[23:0]

SCP

VPOL_B

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

[23:0]

SCP

VPOL_C

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

[23:0]

SCP

VPOL_D

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

[23:0]

SCP

GROUPSEL_0

Select which group each XV1 ~ 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.

[23:0]

SCP

GROUPSEL_1

Select which group each XV13 ~ 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.

[4:0]

SCP

VPATSELA

Selected VPAT group for Group A, from VPAT Group 0 ~ 31.

[9:5]

VPATSELB

Selected VPAT group for Group B, from VPAT Group 0 ~ 31.

[14:10]

VPATSELC

Selected VPAT group for Group C, from VPAT Group 0 ~ 31.

[19:15]

VPATSELD

Selected VPAT group for Group D, from VPAT Group 0 ~ 31.

[12:0]

SCP

VSTARTA

Start position of selected V-Pattern Group A.

[25:13]

VLENA

Length of selected V-Pattern Group A.

[12:0]

SCP

VREPA_1

Number of repetitions for V-Pattern Group A for first lines.

[25:13]

VREPA_2

Number of repetitions for V-Pattern Group A for second lines.

[12:0]

SCP

VREPA_3

Number of repetitions for V-Pattern Group A for third lines.

[25:13]

VREPA_4

Number of repetitions for V-Pattern Group A for fourth lines.

[12:0]

SCP

VSTARTB

Start position of selected V-Pattern Group B.

[25:13]

VLENB

Length of selected V-Pattern Group B.

[12:0]

SCP

VREPB_ODD

Number of repetitions for V-Pattern Group B for odd lines.

[25:13]

VREPB_EVEN

Number of repetitions for V-Pattern Group B for even lines.

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