AD9689-2000EBZ datasheet(122/134 Pages) AD

122 / 134 page

AD9689

Data Sheet

Rev. A | Page 122 of 134

Addr.

Name

Bit(s) Bit Name

Setting

Description

Reset

Access

0x058B JESD204B

scrambling

and number

of lanes (L)

configuration

JESD204B scrambling

(SCR)

0x1

R/W

JESD204B scrambler disabled (SCR = 0).

JESD204B scrambler enabled (SCR = 1).

[6:5] Reserved

Reserved.

0x0

[4:0] JESD204B lanes (L)

0x7

R/W

0x0

One lane per link (L = 1).

0x1

Two lanes per link (L = 2).

0x3

Four lanes per link (L = 4).

0x7

Eight lanes per link (L = 8).

0x058C JESD204B link

number of

octets per

frames (F)

[7:0] JESD204B F

configuration

JESD204B number of octets per frame

(F = 0x058C[7:0] + 1)

0x0

R/W

0000

F = 1.

0001

F = 2.

0010

F = 3.

0011

F = 4.

0101

F = 6.

0111

F = 8.

1111

F = 16.

0x058D JESD204B link

number of

frames per

multiframe (K)

[7:5] Reserved

Reserved.

0x0

[4:0] JESD204B K

configuration

JESD204B number of frames per multiframe (K = 0x058C[4:0] + 1).

Only values where F × K is divisible by 4 can be used.

0x1F

R/W

0x058E JESD204B link

number of

converters (M)

[7:0] JESD204B M

configuration

JESD204B number of converters per link per device

(M = JESD204B M configuration).

0x1

R/W

000

Link connected to one virtual converter (M = 1).

001

Link connected to two virtual converters (M = 2).

011

Link connected to four virtual converters (M = 4).

111

Link connected to eight virtual converters (M = 8).

0x058F JESD204B

number of

control bits

(CS) and ADC

resolution (N)

[7:6] Number of control

bits (CS) per sample

0x0

R/W

000

No control bits (CS = 0).

001

1 control bit (CS = 1), Control Bit 2 only.

010

2 control bits (CS = 2), Control Bit 2 and Control Bit 1 only.

011

3 control bits (CS = 3), all control bits (Control Bit 2, Control Bit 1, and

Control Bit 0).

Reserved

Reserved.

0x0

[4:0] ADC converter

resolution (N)

0xF

R/W

00110

N = 7-bit resolution.

00111

N = 8-bit resolution.

01000

N = 9-bit resolution.

01001

N = 10-bit resolution.

01010

N = 11-bit resolution.

01011

N = 12-bit resolution.

01100

N = 13-bit resolution.

01101

N = 14-bit resolution.

01110

N = 15-bit resolution.

01111

N = 16-bit resolution.

AD9689-2000EBZ Datasheet(PDF) 122 Page - Analog Devices

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