ADMV4530 datasheet(46/64 Pages) AD

46 / 64 page

Data Sheet

ADMV4530

analog.com

Rev. C | 46 of 64

Table 20. Bit Descriptions for REG0011

Bits

Bit Name

Description

Reset

Recommended

Access

[7:0]

BIT_INTEGER_WORD[15:8]

16-Bit Integer Word. Sets the integer value of N. Updates to the PLL N

counter, including FRAC1, FRAC2, and MOD2, are double buffered by this bit

field.

0x0

User defined

R/W

Address: 0x012, Reset: 0x00, Name: REG0012

Table 21. Bit Descriptions for REG0012

Bits

Bit Name

Description

Reset

Recommended

Access

RESERVED

Reserved.

0x0

R/W

AUTOCAL_EN

VCO Auto Calibration Enable.

0x0

0x1

R/W

0: disable.

1: enable.

PRE_SEL

Prescaler Select. The dual modulus prescaler is set by this bit. It divides down the

VCO signal such that the frequency going into the N divider is within the appropriate

range.

0x0

User defined

R/W

0: 4/5.

1: 8/9.

[4:0]

RESERVED[4:0]

Reserved.

0x0

R/W

Address: 0x014, Reset: 0x00, Name: REG0014

Table 22. Bit Descriptions for REG0014

Bits

Bit Name

Description

Reset

Recommended

Access

[7:0]

FRAC1WORD[7:0]

25-Bit Fractional 1 Word. Sets the FRAC1 value of N.

0x0

User defined

R/W

Address: 0x015, Reset: 0x00, Name: REG0015

Table 23. Bit Descriptions for REG0015

Bits

Bit Name

Description

Reset

Recommended

Access

[7:0]

FRAC1WORD[15:8]

25-Bit Fractional 1 Word. Sets the FRAC1 value of N.

0x0

User defined

R/W

Address: 0x016, Reset: 0x00, Name: REG0016

ADMV4530 Datasheet(PDF) 46 Page - Analog Devices

ADMV4530 Datasheet(HTML) 46 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

Datasheet Download

Link URL