AD9154 datasheet(104/124 Pages) AD

104 / 124 page

AD9154

Data Sheet

Rev. C | Page 104 of 124

Addr.

Name

Bits

Bit Name

Settings

Description

Reset

Access

0x1B0

DACPLLT0

VCO_PD_IN

VCO PD.

0x1

R/W

0 If power machine disabled this powers up the VCO.

1 If power machine disabled this powers down the VCO.

VCO_PD_PTAT

PD ptat current gen VCO.

0x1

R/W

1 If power machine disabled this powers down the

VCO ptat gen.

0 If power machine disabled this powers up the VCO

ptat gen.

VCO_PD_ALC

PD ALC Circuit in VCO.

0x1

R/W

1 If power machine disabled this powers down the

VCO ALC.

0 If power machine disabled this powers up the VCO

ALC.

SYNTH_PD

PD Total Synthesizer/Reset Machine.

0x1

R/W

0 If power machine disabled this powers up the

synthesizer.

1 If power machine disabled this powers down the

synthesizer.

LDO_PD

PD LDO.

0x1

R/W

0 If power machine disabled this powers up the LDO.

1 If power machine disabled this powers down the

LDO.

RESERVED

Reserved.

0x0

LOGEN_PD

PD LO Generator.

0x1

R/W

0 If power machine disabled this powers up the

Prescaler/DAC clock gen.

1 If power machine disabled this powers down the

Prescaler/DAC clock gen.

RESERVED

Reserved.

0x0

0x1B1

DACPLLT1

[7:4]

RESERVED

Reserved.

0x0

[3:2]

PFD_DELAY

PFD Delay.

0x1

R/W

0 Shortest delay.

1 Longer delay.

2 Longer delay still.

3 Longest delay.

PFD_EDGE

PFD Clock Edge.

0x0

R/W

0 Reference rising edge.

1 Reference falling edge.

RESERVED

Reserved.

0x0

0x1B2

DACPLLT2

EXT_ALC_WORD_

Force ALC Word Externally.

0x0

R/W

0 Norm operation auto ALC.

1 Manually set ALC.

[6:0]

EXT_ALC_WORD

External ALC Word.

0x0

0x1B3

DACPLLT3

[7:0]

EXT_BAND1

Bottom bit of VCO tuning band to be forced.

0x0

0x1B4

DACPLLT4

BYP_LOAD_DELAY

Bypass Load Delay.

0x0

R/W

[6:3]

VCO_CAL_OFFSET

Starting Offset for VCO Calibration.

0xF

R/W

RESERVED

Reserved.

0x0

EXT_BAND_EN

FORCE VCO Tuning Band Externally.

0x0

R/W

0 Normal autocal mode.

1 Manual for VCO band.

EXT_BAND2

External band MSB.

0x0

0x1B5

DACPLLT5

[7:4]

INIT_ALC_VALUE

Initial ALC Sweep Value.

0x8

R/W

[3:0]

VCO_VAR

Varactor KVO Setting.

0x3

R/W

AD9154 Datasheet(PDF) 104 Page - Analog Devices

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