SPCA751A-P101 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

SPCA751A-P101

single chip signal processor optimized for MPEG audio decoding and voice recording

Unspecified 

Preliminary

SPCA751A-P101

Features

• Single chip MPEG audio decoder

- Conforming to MPEG1/MPEG2 audio layer 2/3

- Extension to MPEG lower sampling rates

• Digital sound control

- Digital volume control

- Stereo/Mono channel select

- Digital sound equalizer

• Internal auto-generate audio clock

- Sampling frequency from 8 kHz up to 48 kHz

• Programmable audio DAC interface

- Support both normal and I2S audio DAC formats

- Audio clock polarity programmable

- Internal auto-generated oversampling clock for DAC

Accept external audio clock for sampling rate control

• Serial data IO and control interface

- Easy for the host processor to command

• Low power dissipation

• PLL embedded

- Require only 16.934MHz crystal, resistors, and

capacitors to supply the system clock

• Built-in Digital Recording option

- Embedded 10-bit 8 kHz audio ADC

- SACM_S480 recording with 4.8 kbit/sec

- SACM_S3200 recording with 32 kbit/sec

• Device Parameter

- Supply voltage : 3.0 ~ 3.6 volts

- IO interface : 5 volts tolerance, TTL compatible

- Package : 44-pin LQFP

- Power consumption: less than 150 mW @ 3.6 volts

AIP

AIN

ATO

VM

OSCOUT

OSCIN

SPCA751A BLOCK DIAGRAM

ADC

PLL

Clock

Synthesizer

MPEG Audio Decoder

Voice Encoder/Decoder

Host Interface

PCM

Buffer

TFS RFS SCLK DR DT FCEB1 FCEB2

AUD_LRCK

AUD_BCK

AUD_DATA

AUD_XCK

2

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