ADF4382ABCCZ datasheet(59/82 Pages) AD

59 / 82 page

Data Sheet

ADF4382A

analog.com

Rev. A | 59 of 82

Address: 0x044, Reset: 0x00, Name: REG0044

Table 89. Bit Descriptions for REG0044

Bits

Bit Name

Description

Reset

Access

VCAL_ZERO

Extends the range of loop filter component values over which the VCAL-Gen amplifier driving Vtune is stable.

0x0

R/W

[6:0]

REG44_RSV0

Programmable increasing with temperature component of VCAL.

0x0

R/W

Address: 0x045, Reset: 0x00, Name: REG0045

Table 90. Bit Descriptions for REG0045

Bits

Bit Name

Description

Reset

Access

RESERVED

Reserved.

0x0

R/W

[6:0]

REG45_RSV0

Programmable decreasing with temperature component of VCAL.

0x0

R/W

Address: 0x04B, Reset: 0x00, Name: REG004B

Table 91. Bit Descriptions for REG004B

Bits

Bit Name

Description

Reset

Access

[7:0]

REG4B_RSV0

Reserved. ADF4382A register map provides reserved register settings.

0x0

R/W

Address: 0x04C, Reset: 0x00, Name: REG004C

Table 92. Bit Descriptions for REG004C

Bits

Bit Name

Description

Reset

Access

[7:6]

RESERVED

Reserved.

0x0

R/W

[5:0]

REG4C_RSV0

Reserved. ADF4382A register map provides reserved register settings.

0x0

R/W

Address: 0x04D, Reset: 0x00, Name: REG004D

Table 93. Bit Descriptions for REG004D

Bits

Bit Name

Description

Reset

Access

[7:3]

RESERVED

Reserved.

0x0

R/W

O_VCO_BIAS

Override VCO Bias with M_VCO_BIAS.

0x0

R/W

O_VCO_BAND

Override VCO Band with M_VCO_BAND.

0x0

R/W

0: VCO Band Code from VCO Calibration State-machine.

1: VCO Band Code from M_VCO_BAND.

O_VCO_CORE

Override VCO Core with M_VCO_CORE.

0x0

R/W

0: VCO Core Select from VCO Calibration State-machine.

1: VCO Core Select from M_VCO_CORE.

Address: 0x04F, Reset: 0x00, Name: REG004F

Table 94. Bit Descriptions for REG004F

Bits

Bit Name

Description

Reset

Access

[7:0]

LUT_SCALE

Set the scaling factor for the use of the LUT: LUT_SCALE = (fPFD/PFD LUT Frequency (fPFDLUT)) × 8.

0x0

R/W

00: Scale the LUT by 0.0625.

01: Scale the LUT by 1.

10: Scale the LUT by 15.9375.

Address: 0x053, Reset: 0x00, Name: REG0053

ADF4382ABCCZ Datasheet(PDF) 59 Page - Analog Devices

ADF4382ABCCZ Datasheet(HTML) 59 Page - Analog Devices

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