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CS48560-DQZ Scheda tecnica(PDF) 1 Page - Cirrus Logic |
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CS48560-DQZ Scheda tecnica(HTML) 1 Page - Cirrus Logic |
1 / 26 page Copyright 2009 Cirrus Logic, Inc. FEB ’09 CONFIDENTIAL DS734F3 http://www.cirrus.com 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 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 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 & Blu-ray Disc DVD Receivers — PC Speakers There are 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. Ordering Information: See page 20 for ordering information ® |
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