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CS47048 датащи(PDF) 8 Page - Cirrus Logic |
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CS47048 датащи(HTML) 8 Page - Cirrus Logic |
8 / 34 page CS47048 Data Sheet Audio SOC Processor Family 8 Copyright 2008 Cirrus Logic DS787A7 4. Hardware Functional Description The CS47048 is a true system-on-a-chip that combines a powerful 32-bit DSP engine with analog/digital audio inputs and analog/digital audio outputs. It can be integrated into a complex multi-DSP processing system, or stand alone in an audio product that requires analog-in and analog-out. A top level block diagram is shown below in Figure 1. Figure 1. CS47048 Top-Level Block Diagram 4.1 DSP Core The CS47048 is a single-core DSP with separate X and Y data and P code memory spaces. The DSP core is a high-performance, 32-bit, user-programmable, fixed-point DSP that is capable of performing two multiply-and-accumulate (MAC) operations per clock cycle. The DSP core has eight 72-bit accumulators, four X-data and four Y-data registers, and 12 index registers. The DSP core is coupled to a flexible 8-channel DMA engine. The DMA engine can move data between peripherals such as the serial control port (SCP), digital audio input (DAI) and digital audio output (DAO), sample rate converters (SRC), analog-to-digital converters (ADC), digital-to-analog converters (DAC), or any DSP core memory, all without the intervention of the DSP. The DMA engine off-loads data move instructions from the DSP core, leaving more MIPS available for signal processing instructions. x8 x4 x2 x2 DAC0 text Coyote32 32-bit DSP DMA SPI / I 2C Control I 2S / TDM ADC0/1 I 2S / TDM I 2S / TDM / SPDIF PLL ROM S R C 2 Clock Manager Timers RAM GPIO DAC1 DAC2 DAC3 DAC4 DAC5 DAC6 DAC7 S R C 1 ROM RAM ROM RAM P Y 32K x 32-bit SRAM with three 2K blocks Assignable to Program or Y Data memory I 2S / TDM / SPDIF Stereo Inputs On Analog in ADC2/3 DBC (I 2C Slave) PIC ADC’s & DAC’s operate in Single ended or Differential mode S R C 3 8ch 8ch SRC3 has 8 independent Channels for In or Out 4ch |
Аналогичный номер детали - CS47048 |
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Аналогичное описание - CS47048 |
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