LCR1210-R100F datasheet(39/59 Pages) SKYWORKS

39 / 59 page

Si32260/1

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

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RSTB

Reset Input.

Active low input. Hardware reset used to place all control registers in the default

state.

INTB/DTXENB

Interrupt Output or Transmit PCM Data Output Enable.

Maskable interrupt output or output enable for PCM data output. Open drain output

for wire-ORed operation.

FSYNC

Frame Sync Clock Input.

8 kHz frame synchronization signal for the PCM bus. May be short or long pulse

format.

PCLK

PCM Bus Clock Input.

Clock input for PCM bus timing.

DTX

Transmit PCM Data Output.

Output data to PCM bus.

DRX

Transmit PCM Data Input.

Input data from PCM bus.

SDCHa

DC Monitor—Channel A.

DC-DC converter monitor input used to detect overcurrent situations.

SDCLa

DC Monitor—Channel A.

DC-DC converter monitor input used to detect overcurrent situations.

DCDRVa

DC Drive—Channel A.

DC-DC converter control signal output which drives external transistor.

DCFFa

DC Flexible Function—Channel A.

DC-DC controller flexible function I/O—channel A.

DCFFb

DC Flexible Function—Channel B.

DC-DC controller flexible function I/O—channel B.

DCDRVb

DC Drive—Channel B.

DC-DC converter control signal output which drives external transistor.

SDCLb

DC Monitor—Channel B.

DC-DC converter monitor input used to detect overcurrent situations.

SDCHb

DC Monitor—Channel B.

DC-DC converter monitor input used to detect overcurrent situations.

VDDD

IC Voltage Supply.

Digital power supply for internal digital circuitry.

VDDREG

Regulated Core Power Supply.

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.

Pin #

Pin Name

Description

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