AD9163BBCZ datasheet(83/126 Pages) AD

83 / 126 page

Data Sheet

AD9163

Rev. D | Page 83 of 126

Hex.

Addr. Name

Bits Bit Name

Settings

Description

Reset Access

100 Automatically generate

FTW_LOAD_REQ after FTW3 is

written.

101 Automatically generate

FTW_LOAD_REQ after FTW4 is

written.

110 Automatically generate

FTW_LOAD_REQ after FTW5 is

written.

RESERVED

Reserved.

0x0

FTW_LOAD_SYSREF

FTW load and reset from rising

edge of SYSREF±.

0x0

R/W

FTW_LOAD_ACK

Frequency tuning word update

acknowledge.

0x0

0 FTW is not loaded.

1 FTW is loaded.

FTW_LOAD_REQ

Frequency tuning word update

request from SPI.

0x0

R/W

0 Clear FTW_LOAD_ACK.

1 0 to 1 transition loads the FTW.

0x114 FTW0

[7:0] FTW[7:0]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x115 FTW1

[7:0] FTW[15:8]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x116 FTW2

[7:0] FTW[23:16]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x117 FTW3

[7:0] FTW[31:24]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x118 FTW4

[7:0] FTW[39:32]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x119 FTW5

[7:0] FTW[47:40]

NCO frequency tuning word. This

is X in the equation fOUT = fDAC ×

(M/N) = fDAC × ((X + A/B)/248).

0x0

R/W

0x11C PHASE_OFFSET0

[7:0] NCO_PHASE_OFFSET[7:0]

NCO phase offset.

0x0

R/W

0x11D PHASE_OFFSET1

[7:0] NCO_PHASE_OFFSET[15:8]

NCO phase offset.

0x0

R/W

0x124 ACC_MODULUS0

[7:0] ACC_MODULUS[7:0]

DDS modulus. This is B in the

equation fOUT = fDAC × (M/N) = fDAC

× ((X + A/B)/248). Note this

modulus value is used for all NCO

FTWs.

0x0

R/W

0x125 ACC_MODULUS1

[7:0] ACC_MODULUS[15:8]

DDS modulus. This is B in the

equation fOUT = fDAC × (M/N) = fDAC

× ((X + A/B)/248). Note this

modulus value is used for all NCO

FTWs.

0x0

R/W

0x126 ACC_MODULUS2

[7:0] ACC_MODULUS[23:16]

DDS modulus. This is B in the

equation fOUT = fDAC × (M/N) = fDAC ×

((X + A/B)/248). Note this modulus

value is used for all NCO FTWs.

0x0

R/W

0x127 ACC_MODULUS3

[7:0] ACC_MODULUS[31:24]

DDS modulus. This is B in the

equation fOUT = fDAC × (M/N) = fDAC ×

((X + A/B)/248). Note this modulus

value is used for all NCO FTWs.

0x0

R/W

0x128 ACC_MODULUS4

[7:0] ACC_MODULUS[39:32]

DDS modulus. This is B in the

equation fOUT = fDAC × (M/N) = fDAC ×

((X + A/B)/248). Note this modulus

value is used for all NCO FTWs.

0x0

R/W

AD9163BBCZ Datasheet(PDF) 83 Page - Analog Devices

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