AD9856(RevB) データシートの表示（PDF） - Analog Devices

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AD9856
(Rev.:RevB)

CMOS 200 MHz Quadrature Digital Upconverter

Analog Devices 

AD9856

Table I. Serial Control Bus Register Layout

Register

AD9856 Register Layout

Address

(hex)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

00

SDO

LSB

REFCLK

REFCLK

REFCLK

REFCLK

REFCLK

Reserved

Active

First

Mult.<4>

Mult.<3>

Mult.<2>

Mult.<1>

Mult.<0>

01

CIC Continuous Full Sleep Single Tone Bypass Inverse Bypass

Input Format Input Format

Gain

Mode

Mode

Mode

Sinc Filter

REFCLK

Select <1>

Select <0>

Mult.

02

Frequency Tuning Word <7:0>

03

Frequency Tuning Word <15:8>

04

Frequency Tuning Word <23:16>

05

Frequency Tuning Word <31:24>

06

Interpolator Interpolator Interpolator Interpolator Interpolator Interpolator

Spectral

Bypass the

Rate <5> Rate <4> Rate <3>

Rate <2>

Rate <1>

Rate <0>

Inversion

Third Half

Band Filter

07

AD8320/AD8321 Gain Control Bits <7:0>

08

Frequency Tuning Word <7:0>

09

Frequency Tuning Word <15:8>

0A

Frequency Tuning Word <23:16>

0B

Frequency Tuning Word <31:24>

0C

Interpolator Interpolator Interpolator Interpolator Interpolator Interpolator

Spectral

Bypass the

Rate <5> Rate <4> Rate <3>

Rate <2>

Rate <1>

Rate <0>

Inversion

Third Half

Band Filter

0D

AD8320/AD8321 Gain Control Bits <7:0>

0E

Frequency Tuning Word <7:0>

0F

Frequency Tuning Word <15:8>

10

Frequency Tuning Word <23:16>

11

Frequency Tuning Word <31:24>

12

Interpolator Interpolator Interpolator Interpolator Interpolator Interpolator

Spectral

Bypass the

Rate <5> Rate <4> Rate <3>

Rate <2>

Rate <1>

Rate <0>

Inversion

Third Half

Band Filter

13

AD8320/AD8321 Gain Control Bits <7:0>

14

Frequency Tuning Word <7:0>

15

Frequency Tuning Word <15:8>

16

Frequency Tuning Word <23:16>

17

Frequency Tuning Word <31:24>

18

Interpolator Interpolator Interpolator Interpolator Interpolator Interpolator

Spectral

Bypass the

Rate <5> Rate <4> Rate <3>

Rate <2>

Rate <1>

Rate <0>

Inversion

Third Half

Band Filter

19

AD8320/AD8321 Gain Control Bits <7:0>

Default

(hex)

15

Profile

N/A

06

N/A

04

1

00

1

00

1

00

1

FC

1

00

1

00

2

00

2

00

2

80

2

1E

2

00

2

Unset

3

Unset

3

Unset

3

Unset

3

Unset

3

00

3

Unset

4

Unset

4

Unset

4

Unset

4

Unset

4

00

4

REV. B

–11–

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