AD6684 datasheet(75/107 Pages) AD

75 / 107 page

Data Sheet

AD6684

Rev. 0 | Page 75 of 107

Reg.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

R/W

0x011A Clock

detection

control

Reserved

Clock detection threshold

Clock detection

enable

Reserved

0x00

R/W

0x011B Pair map

clock status

Reserved

Input

clock

detect

0x00

0x011C Clock DCS

control

Reserved

Clock DCS

enable

Clock

DCS

power-

0x00

R/W

0x0120

Pair Map

SYSREF

Control 1

Reserved

SYSREF±

flag

reset

Reserved

SYSREF± transition

select

CLK±

edge

select

SYSREF± mode select

Reserved 0x00

R/W

0x0121

Pair Map

SYSREF

Control 2

Reserved

SYSREF N shot ignore counter select

0x00

R/W

0x0123

Pair Map

SYSREF

Control 4

Reserved

SYSREF± time stamp delay[6:0]

0x40

R/W

0x0128

Pair Map

SYSREF

Status 1

SYSREF± hold status[7:4]

SYSREF± setup status[3:0]

0x00

0x0129

Pair Map

SYSREF

Status 2

Reserved

Clock divider phase when SYSREF± is captured

0x00

0x012A Pair Map

SYSREF

Status 3

SYSREF counter [7:0] (increments when a SYSREF± input is captured)

0x00

0x01FF

Pair map

chip sync

Reserved

Synchro-

nization

mode

0x00

R/W

0x0200

Pair map

chip mode

Reserved

Chip Q

ignore

Reserved

Chip application mode

0x07

R/W

0x0201

Pair map

chip decim-

ation ratio

Reserved

Chip decimation ratio select

0x00

R/W

0x0228

Channel map

custom

offset

Offset adjust in LSBs from +127 to −128

0x00

R/W

0x0245

Channel map

fast detect

control

Reserved

Force

FD_A/

FD_B/

FD_C/

FD_D pins

Force value of

FD_A/FD_B/

FD_C/FD_D pins;

if force pins is

true, this value is

output on the

FD_x pins

Reserved

Enable

fast

detect

output

0x00

R/W

0x0247

Channel map

fast detect

upper

threshold

LSB

Fast detect upper threshold[7:0]

0x00

R/W

0x0248

Channel map

fast detect

upper

threshold

MSB

Reserved

Fast detect upper threshold[12:8]

0x00

R/W

0x0249

Channel map

fast detect

lower

threshold

LSB

Fast detect lower threshold[7:0]

0x00

R/W

0x024A Channel map

fast detect

lower

threshold

MSB

Reserved

Fast detect lower threshold[12:8]

0x00

R/W

AD6684 Datasheet(PDF) 75 Page - Analog Devices

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