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CS47024 Folha de dados(PDF) 1 Page - Cirrus Logic |
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CS47024 Folha de dados(HTML) 1 Page - Cirrus Logic |
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1 / 32 page  Copyright Cirrus Logic, Inc. 2012 (All Rights Reserved) http://www.cirrus.com DS787PP9 JUL '12 CS470xx Data Sheet Features 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 THD+N 4† Channels of 24-bit ADC input: 105dB DR, –98 dB THD+N Integrated 5:1 analog mux feeds one stereo ADC Configurable Serial Audio Inputs and Outputs Integrated 192 kHz S/PDIF Rx Integrated 192 kHz S/PDIF Tx Supports 32-bit serial data @ 192 kHz Supports 32-bit audio sample I/O between DSP chips TDM I/O modes Supports Different Sample Rates (Fs) Three integrated hardware SRC blocks Output can be master or slave Supports dual-domain Fs on S/PDIF vs. I²S inputs DSP Tool Set with Private Keys Protect Customer IP Integrated Clock Manager/PLL 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 “†” features differ on CS47024, CS47028, or CS47048. See Table 3-1. The CS470xx family is a new generation of audio 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. Target applications include: Automotive head units and outboard amplifiers Automotive processors and automotive integration hubs Digital TV MP3 docking stations AVR and DVD RX DSP controlled speakers (subwoofers, sound bars) 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. 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. 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. Ordering Information: See Section 6 for ordering information. CS470xx |
Nº de peça semelhante - CS47024 |
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Descrição semelhante - CS47024 |
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