ACS8525AP datasheet(59/112 Pages) SEMTECH

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ACS8525A LC/P

ADVANCED COMMS & SENSING

FINAL

DATASHEET

Revision 1.00/September 2007 © Semtech Corp.

Page 59

www.semtech.com

Address (hex):

Description

(R/W) Register to configure the

feedback mode of DPLL2.

Default Value

1010 0000

Bit 7Bit 6

Bit 5Bit 4

Bit 3

Bit 2Bit 1Bit 0

DPLL2_dig_

feedback

Bit No.

Description

Bit Value

Value Description

7Not used.

DPLL2_dig_feedback

Bit to select digital feedback mode for DPLL2.

DPLL2 in analog feedback mode.

DPLL2 in digital feedback mode.

[5:0]

Not used.

Address (hex):

Description

(R/W) Configures the differential

inputs to be PECL or LVDS type

inputs.

Default Value

0000 0011

Bit 7Bit 6

Bit 5Bit 4

Bit 3

Bit 2Bit 1Bit 0

SEC2_DIFF_

PECL

SEC1_DIFF_

PECL

Bit No.

Description

Bit Value

Value Description

[7:2]

Not used.

SEC2_DIFF_PECL

Configures the SEC2 DIFF input to be compatible

with either 3 V LVDS or 3 V PECL electrical levels.

SEC2 DIFF input LVDS compatible.

SEC2 DIFF input PECL compatible (Default).

SEC1_DIFF_PECL

Configures the SEC1 DIFF input to be compatible

with either 3 V LVDS or 3 V PECL electrical levels.

SEC1 DIFF input LVDS compatible.

SEC1 DIFF input PECL compatible (Default).

ACS8525AP Datasheet(PDF) 59 Page - Semtech Corporation

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