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CS48560-CQZ Arkusz danych(PDF) 1 Page - Cirrus Logic |
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CS48560-CQZ Arkusz danych(HTML) 1 Page - Cirrus Logic |
1 / 23 page Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) http://www.cirrus.com DS734F5 OCT '11 CS485xx Family 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 most accurate in the industry 24k x 32 SRAM, 2k blocks - assignable to data or program Internal ROM contains a variety of configurable sound enhancement feature sets 8-channel internal DMA Internal watch-dog DSP lock-up prevention DSP Tool Set w/ Private Keys for Protecting Customer IP Configurable Serial Audio Inputs/Outputs Configurable for all input/output types Maximum 32-bit @ 192 kHz Supports 32-bit audio sample I/O between DSP chips TDM input modes (multiple channels on same line) 192 kHz SPDIF transmitter Multi-channel DSD direct stream digital SACD input Supports Two Different Input Fs Sample Rates Output can be master or slave Dual processing path capability Input supports dual domain slave clocking Hardware assist time sampling for sample rate conversion Integrated Clock Manager/PLL Can operate from external crystal, external oscillator Input Fs Auto Detection Host & Boot via 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 “Energy Star® Ready” in low-power mode, 268 µW in standby Differentiating from the legacy Cirrus multi-standard, multi-channel decoders, this new CS485xx family is still based on the same high-performance 32-bit fixed point Digital Signal Processor core but instead is equipped with much less memory, tailoring it for more cost-effective applications associated with multi-channel and virtual-channel sound enhancements. Target applications are: Digital Televisions Multimedia Peripherals iPod® Docking Stations Automotive Head Units Automotive Outboard Amplifiers HD-DVD™ and Blu-ray Disc® DVD Receivers PC Speakers There are also a wide variety of licensable DSP codes available today as seen by the following examples: Cirrus also has developed, or is developing their own royalty-free versions of popular features sets like Cirrus Bass Manager, Cirrus Dynamic Volume Leveler, Cirrus Original Multichannel Surround, Cirrus Virtual Speaker & Cirrus 3D-Audio. The CS485xx family is programmed using the Cirrus proprietary DSP Composer™ GUI development tool. Processing chains may be designed using a drag-and-drop interface to place/utilize functional macro audio DSP primitives. The end result is a software image that is down-loaded to the DSP via serial host or serial boot modes. See Section 6 for ordering information. CS485xx Block Diagram 32-bit DSP D M A P X Y Serial Control 1 12 Ch PCM Audio Out GPIO Debug Watchdog TMR1 TMR2 PLL S/PDIF 12 Ch. Audio In / 6 Ch. SACD In CS485xx |
Podobny numer części - CS48560-CQZ |
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Podobny opis - CS48560-CQZ |
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