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AD9898

Table III. Mode_A Register Map (Addr 0x15)

Bit

Default

Content

Width

(Decimal) Register Name

Mode_Reg(0) (31:24)

Mode_A_Addr

Mode_A Address Is (Addr 0x15)

(23:0)

Mode_A_Number_N

Number N Register Writes (0x000000 = Write All Registers)

Mode_Reg(1) (31:21)

262

VDLEN

VD Counter Value

(20:9)

1139

HDLASTLEN

Number of Pixels in Last Line (Gray Code Number)

VSGSEL0

VSG1 Sequence Selector (See Table XXIII)

VSGSEL1

VSG2 Sequence Selector (See Table XXIII)

(6:0)

VSGACTLINE

VSG Active Line

Mode_Reg(2) 31

SUBCKSEL

Select one of two SUBCK Patterns

(30:28)

VTPSEQPTR0

Vertical Transfer Sequence Region No. 0

(27:25)

VTPSEQPTR1

Vertical Transfer Sequence Region No. 1

(24:22)

VTPSEQPTR2

Vertical Transfer Sequence Region No. 2

(21:19)

VTPSEQPTR3

Vertical Transfer Sequence Region No. 3

(18:16)

VTPSEQPTR4

Vertical Transfer Sequence Region No. 4

CLPEN0

CLPOB Output Control No. 1

CLPEN1

CLPOB Output Control No. 2

CLPEN2

CLPOB Output Control No. 3

CLPEN3

CLPOB Output Control No. 4

CLPEN4

CLPOB Output Control No. 5

(10:3)

SCP1

Sequence Change Position No. 1

(2:0)

SCP2

Mode_Reg(3) (31:27)

SCP2

Sequence Change Position No. 2

(26:19)

SCP3

Sequence Change Position No. 3

(18:11)

SCP4

Sequence Change Position No. 4

(10:9)

VTPSEL0

Vertical Pattern Selection 0

(8:7)

VTPSEL1

Vertical Pattern Selection 1

(6:5)

VTPSEL2

Vertical Pattern Selection 2

(4:3)

VTPSEL3

Vertical Pattern Selection 3

(2:0)

VTPREP0

Number of Vertical Pulse Repetitions for Pattern0

Mode_Reg(4) (31:29)

VTPREP1

Number of Vertical Pulse Repetitions for Pattern1

(28:26)

VTPREP2

Number of Vertical Pulse Repetitions for Pattern2

(25:23)

VTPREP3

Number of Vertical Pulse Repetitions for Pattern3

(22:12)

SVREP0

Vertical Sweep Repetition Number for CCD Region0

(11:1)

SVREP3

Vertical Sweep Repitition Number for CCD Region3

Unused

Mode_Reg(5) (31:19)

988

V1SPAT_TOG1

Polarity Change Position Start for V1 SPAT

(18:6)

1138

V1SPAT_TOG2

Polarity Change Position End for V1 SPAT

(5:0)

V2SPAT_TOG1

Mode_Reg(6) (31:25)

1078

V2SPAT_TOG1

Polarity Change Position Start for V2 SPAT

(24:12)

1168

V2SPAT_TOG2

Polarity Change Position End for V2 SPAT

(11:0)

V3SPAT_TOG1

Mode_Reg(7) 31

958

V3SPAT_TOG1

Polarity Change Position Start for V3 SPAT

(30:18)

1138

V3SPAT_TOG2

Polarity Change Position End for V3 SPAT

(17:5)

988

V4SPAT_TOG1

Polarity Change Position Start for V4 SPAT

(4:0)

V4SPAT_TOG2

Mode_Reg(8) (31:24)

1228

V4SPAT_TOG2

Polarity Change Position End for V4 SPAT

(23:11)

1392

SECONDVPOS

Second V Pattern Output Position

(10:9)

VPATSECOND

Selected Second V Pattern Group for VSG Active Line

(8:0)

Unused

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