ADMV4420ACPZ-R2 datasheet(48/61 Pages) AD

48 / 61 page

ADMV4420

Data Sheet

Rev. A | Page 48 of 61

ADDRESS 0x20C, RESET: 0x01, NAME: R_DIV_L

R-Divider Word (10-Bit)

[7:0] R_DIV[7:0] (R/W)

Table 26. R_DIV_L Bit Descriptions

Bits

Bit Name

Description

Reset

Access

[7:0]

R_DIV[7:0]

R divider word (10-bit)

0x1

R/W

ADDRESS 0x20D, RESET: 0x00, NAME: R_DIV_H

R-Divider Word (10-Bit)

[7:2] RESERVED

[1:0] R_DIV[9:8] (R/W)

Table 27. R_DIV_H Bit Descriptions

Bits

Bit Name

Description

Reset

Access

[7:2]

RESERVED

Reserved

0x0

[1:0]

R_DIV[9:8]

R divider word (10-bit)

0x0

R/W

ADDRESS 0x20E, RESET: 0x00, NAME: REFERENCE

Reference Divide by 2

1: Reference Divide by 2 Enabled.

0: Reference Divide by 2 Dis abled.

Reference Doubler Enable

1: Enable.

0: Dis able.

Reference Input Mode

1: Single-Ended Mode.

0: XTAL Os cillator Mode.

[7:3] RESERVED

[0] RDIV2_SEL (R/W)

[2] EN_REF_X2 (R/W)

[1] REF_IN_MODE (R/W)

Table 28. REFERENCE Bit Descriptions

Bits

Bit Name

Description

Reset

Access

[7:3]

RESERVED

Reserved

0x0

EN_REF_X2

Reference doubler enable bit

0x0

R/W

0: Disable

1: Enable

REF_IN_MODE

Reference input mode bit

0x0

R/W

0: Crystal (XTAL) oscillator mode

1: Single-ended mode

RDIV2_SEL

Reference divide by 2 bit

0x0

R/W

0: Reference divide by 2 disabled

1: Reference divide by 2 enabled

ADMV4420ACPZ-R2 数据表(PDF) 48 Page - Analog Devices

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ADMV4420ACPZ-R2 数据表(PDF) 48 Page - Analog Devices

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