AD9920ABBCZ datasheet(102/112 Pages) AD

102 / 112 page

AD9920A

Rev. B | Page 102 of 112

Address

Data

Bits

Default

Value

Update

Type

Name

Description

0x7A

[0]

GP1_POL

GP1 low/high start polarity.

[1]

GP2_POL

GP2 low/high start polarity.

[2]

GP3_POL

GP3 low/high start polarity.

[3]

GP4_POL

GP4 low/high start polarity.

[4]

GP5_POL

GP5 low/high start polarity.

[5]

GP6_POL

GP6 low/high start polarity.

[6]

GP7_POL

GP7 low/high start polarity.

[7]

GP8_POL

GP8 low/high start polarity.

[8]

0x01

SEL_GP1

1 = GP1 signal is selected for GPO1 output.

0 = internal signal is selected.

[9]

0x01

SEL_GP2

1 = GP2 signal is selected for GPO2 output.

0 = internal signal is selected.

[10]

0x01

SEL_GP3

1 = GP3 signal is selected for GPO3 output.

0 = internal signal is selected.

[11]

0x01

SEL_GP4

1 = GP4 signal is selected for GPO4 output. 0 = XSUBCK is selected.

[12]

0x01

SEL_GP5

1 = GP5 signal is selected for GPO5 output. 0 = XV21 is selected.

[13]

0x01

SEL_GP6

1 = GP6 signal is selected for GPO6 output. 0 = XV22 is selected.

[14]

0x01

SEL_GP7

1 = GP7 signal is selected for GPO7 output. 0 = XV23 is selected.

[15]

0x01

SEL_GP8

1 = GP8 signal is selected for GPO8 output. 0 = XV24 is selected.

[23:16]

GPO_OUTPUT_EN

1 = GPO enabled. 0 = GPO is high-Z (default).

[24]

GPO5_OVERRIDE

1 = when GPO5 is configured as an input, this register overrides the

internal OUT_CONT.

[25]

GPO6_OVERRIDE

1 = when GPO6 is configured as an input, this register overrides the

internal HBLK.

[26]

GPO7_OVERRIDE

1 = when GPO7 is configured as an input, this register overrides the

internal CLPOB.

[27]

GPO8_OVERRIDE

1 = when GPO8 is configured as an input, this register overrides the

internal PBLK.

0x7B

[7:0]

GPx_USE_LUT

Enable LUT for each GPO signal.

1 = enable.

0 = disable (use normal GP signal).

[11:8]

0000

LUT_FOR_GP12

Two-input lookup table results.

[15:12]

0000

LUT_FOR_GP34

Examples: {LUT_FOR_GP12}

[GP2:GP1].

[19:16]

0000

LUT_FOR_GP56

{0110} = GP2 XOR GP1; {1110} = GP2 OR GP1.

[23:20]

0000

LUT_FOR_GP78

{0111} = GP2 NAND GP1; {1000} = GP2 AND GP1.

0x7C

[12:0]

GP1_TOG1_FD

General-Purpose Signal 1, first toggle position, field location.

[25:13]

GP1_TOG1_LN

General-Purpose Signal 1, first toggle position, line location.

0x7D

[12:0]

GP1_TOG1_PX

General-Purpose Signal 1, first toggle position, pixel location.

[25:13]

GP1_TOG2_FD

General-Purpose Signal 1, second toggle position, field location.

0x7E

[12:0]

GP1_TOG2_LN

General-Purpose Signal 1, second toggle position, line location.

[25:13]

GP1_TOG2_PX

General-Purpose Signal 1, second toggle position, pixel location.

0x7F

[12:0]

GP1_TOG3_FD

General-Purpose Signal 1, third toggle position, field location.

[25:13]

GP1_TOG3_LN

General-Purpose Signal 1, third toggle position, line location.

0x80

[12:0]

GP1_TOG3_PX

General-Purpose Signal 1, third toggle position, pixel location.

[25:13]

GP1_TOG4_FD

General-Purpose Signal 1, fourth toggle position, field location.

0x81

[12:0]

GP1_TOG4_LN

General-Purpose Signal 1, fourth toggle position, line location.

[25:13]

GP1_TOG4_PX

General-Purpose Signal 1, fourth toggle position, pixel location.

0x82

[12:0]

GP2_TOG1_FD

General-Purpose Signal 2, first toggle position, field location.

[25:13]

GP2_TOG1_LN

General-Purpose Signal 2, first toggle position, line location.

0x83

[12:0]

GP2_TOG1_PX

General-Purpose Signal 2, first toggle position, pixel location.

[25:13]

GP2_TOG2_FD

General-Purpose Signal 2, second toggle position, field location.

0x84

[12:0]

GP2_TOG2_LN

General-Purpose Signal 2, second toggle position, line location.

[25:13]

GP2_TOG2_PX

General-Purpose Signal 2, second toggle position, pixel location.

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