LCR1210-R100F datasheet(43/59 Pages) SKYWORKS

43 / 59 page

Si32260/1

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

Rev. 1.4 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 7, 2021

CSB

Chip Select Input.

Active low. When inactive, SCLK and SDI are ignored and SDO is high impedance.

When active, the serial port is operational.

SCLK

Serial Port Bit Clock Input.

Serial port clock input. Controls the serial data on SDO and latches the data on SDI.

SDO

Serial Port Data Output.

Serial port control data output.

SDI

Serial Port Data Input.

Serial port control data input.

SVBATb

VBAT Sense—Channel B.

Input to sense voltage on VBAT.

CAPMb

SLIC Stabilization Capacitor—Channel B.

Capacitor used in low pass filter.

CAPPb

SLIC Stabilization Capacitor—Channel B.

Capacitor used in low pass filter.

IREF

Current Reference Input.

Connects to an external resistor used to provide a high accuracy reference current.

STIPDCb

TIP DC Sense Input—Channel B.

Analog dc input to detect voltage on the channel B TIP lead.

STIPACb

TIP AC Sense Input—Channel B.

Analog ac input to sense voltage on the channel B TIP lead.

SRINGACb

RING AC Sense Input—Channel B.

Analog ac input to sense voltage on the channel B RING lead.

SRINGDCb

RING DC Sense Input—Channel B.

Analog dc input to sense voltage on the channel B RING lead.

GPIO1b/STIPCb

General Purpose I/O or TIP Coarse Sense Input—Channel B.

TIP channel A voltage sensing outside protection circuit.

GPIO2b/SRINGCb

General Purpose I/O or RING Coarse Sense Input—Channel B.

RING channel A Voltage sensing outside protection circuit.

VDDA

Analog Supply Voltage.

Analog power supply for internal analog circuitry.

N/C

No Connect.

This pin should be left unconnected.

TIPb

TIP Terminal—Channel B.

Connect to the TIP lead of the channel B subscriber loop.

N/C

No Connect.

This pin should be left unconnected.

RINGb

RING Terminal—Channel B.

Connect to the RING lead of the channel B subscriber loop.

N/C

No Connect.

This pin should be left unconnected.

Pin #

Pin Name

Description

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