AD9239 datasheet(37/41 Pages) AD

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AD9239

Data Sheet

Addr.

(Hex)

Name

(MSB)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

(LSB)

Bit 0

Default

Value

(Hex)

Default

Notes/

Comments

serial_control

(global)

PLL

high

encode

rate

mode

(global)

0 = low

rate

1 = high

rate

(default)

0x08

Serial stream

control.

misr_lsb

(local)

0x00

Least

significant

byte of

MISR.

Read only.

misr_msb

(local)

B15

B14

B13

B12

B11

B10

0x00

Most

significant

byte of

MISR.

Read only.

adi_link_

options

(global)

Hamming

enable

1 = on

(default)

0 = off

Scramble

data only

0 =

scramble

header

and data

(default)

1 =

scramble

data only

Data flow

order

0 =

ECC last

(default)

1 =

Scrambler

last

(Override

0x032[5])

Over-

range in

header

1 = on

(default)

0 = off

Scramble options

00 = inverted

01 = SONET (default)

10 = Ethernet

Scramble

enable

1 = on

(default)

0 = off

0x4B

Default is

56-bit

SONET

scrambler

with over

range in the

header bits.

Channel ID

(local)

Channel ID

(Only Bits[3:0] used if overrange is included in header)

0x00

Dynamic

pgm pins

(global)

pgm_3

00 = sync

01 = standby A

10 = standby A and D

11 = standby A and B

pgm_2

00 = sync

01 = standby B

10 = standby B and C

11 = standby B and A

pgm_1

00 = sync

01 = standby C

10 = standby C and B

11 = standby C and D

pgm_0

00 = sync

01 = standby D

10 = standby D and A

11 = standby D and C

0x00

Standby =

ADC core

off, PN23

enabled,

serial channel

enabled.

Rev. E | Page 36 of 40

AD9239 Datasheet(PDF) 37 Page - Analog Devices

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