Datasheet > CS47024

CS47024

更新时间： 2024-11-17 01:18:07

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凌云 - CIRRUS		/
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CS470xx Data Sheet

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CS47024 数据手册

CS470xx

CS470xx Data Sheet

The CS470xx family is a new generation of audio

Features

system-on-a-chip (ASOC) processors targeted at high

fidelity, cost sensitive designs. Derived from the highly

successful CS48500 32-bit fixed-point audio enhancement

processor family, the CS470xx further simplifies system

design and reduces total system cost by integrating the S/

PDIF Rx, S/PDIF Tx, analog inputs, analog outputs, and

SRCs. For example, a hardware SRC can down-sample a

192 kHz S/PDIF stream to a lower Fs to reduce memory

and MIPS requirements for processing. This integration

effectively reduces the chip count from 3 to 1, which allows

smaller, less expensive board designs.

. Cost-effective, High-performance 32-bit DSP

. 300,000,000 MAC/S (multiply accumulates per second)

. Dual MAC cycles per clock

. 72-bit accumulators are the highest precision in the

industry

. 32K x 32-bit SRAM with three 2K blocks assignable to

either Y data or program memory

. Integrated DAC and ADC Functionality

†

. 8 Channels of 24-bit DAC output: 108dB DR, –98 dB Target applications include:

THD+N

. Automotive head units and outboard amplifiers

†

. 4 Channels of 24-bit ADC input: 105dB DR, –98 dB

. Automotive processors and automotive integration hubs

. Digital TV

THD+N

. Integrated 5:1 analog mux feeds one stereo ADC

. Configurable Serial Audio Inputs and Outputs

. MP3 docking stations

. Integrated 192 kHz S/PDIF Rx

. Integrated 192 kHz S/PDIF Tx

. AVR and DVD RX

. DSP controlled speakers (subwoofers, sound bars)

. Supports 32-bit serial data @ 192 kHz

. Supports 32-bit audio sample I/O between DSP chips

. TDM I/O modes

The CS470xx is programmed using the simple yet powerful

Cirrus proprietary DSP Composer™ GUI development and

pre-production tuning tool. Processing chains can be

designed using a drag-and-drop interface to place/utilize

functional macro audio DSP primitives and custom audio

filtering blocks. The end result is a software image that is

downloaded to the DSP via serial control port.

. Supports Different Sample Rates (Fs)

. Three integrated hardware SRC blocks

. Output can be master or slave

The Cirrus Framework™ programming environment offers

Assembly and C language compilers and other software

development tools for porting existing code to the CS470xx

family platform.

. Supports dual-domain Fs on S/PDIF vs. I²S inputs

. DSP Tool Set with Private Keys Protect Customer IP

. Integrated Clock Manager/PLL

The CS470xx is available in a 100-pin LQFP package with

exposed pad for better thermal characteristics. Both

Commercial (0°C to +70°C) and Automotive (–40°C to

+85°C) temperature grades.

. Flexibility to operate from internal PLL, external crystal,

external oscillator

. Input Fs Auto Detection w/ µC Acknowledgement

. Host Control and Boot via I²C™ or SPI™ Serial Interface

. Configurable GPIOs and External Interrupt Input

. 1.8V Core and a 3.3V I/O that is tolerant to 5V input

. Low-power Mode

Ordering Information:

See Section 6 for ordering information.

†”

“ features differ on CS47024, CS47028, or CS47048.

See Table 3-1.

DS787PP9

JUL '12

http://www.cirrus.com

12 3 4 5 6 7...32

中文翻译

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与CS47024相关器件

型号	品牌	获取价格	描述	数据表
CS47024C-CQZ	CIRRUS	获取价格	Audio SOC Processor Family
CS47024C-CQZR	CIRRUS	获取价格	Consumer Circuit, PQFP100
CS47024C-DQZ	CIRRUS	获取价格	Audio SOC Processor Family
CS47028	CIRRUS	获取价格	CS470xx Data Sheet
CS47028C-CQZ	CIRRUS	获取价格	Audio SOC Processor Family
CS47028C-CQZR	CIRRUS	获取价格	Consumer Circuit, PQFP100
CS47028C-DQZ	CIRRUS	获取价格	Audio SOC Processor Family
CS47028C-DQZR	CIRRUS	获取价格	Consumer Circuit, PQFP100
CS47048	CIRRUS	获取价格	Audio SOC Processor Family
CS47048B-CQZ	CIRRUS	获取价格	Audio SOC Processor Family

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