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CS47048 датащи(PDF) 3 Page - Cirrus Logic |
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CS47048 датащи(HTML) 3 Page - Cirrus Logic |
3 / 34 page CS47048 Data Sheet Audio SOC Processor Family DS787A7 Copyright 2008 Cirrus Logic 3 Table of Contents FEATURES ......................................................................................................................... 1 1. Documentation Strategy .........................................................................................................6 2. Overview ..................................................................................................................................6 2.1 Licensing ............................................................................................................................................... 6 3. Code Overlays .........................................................................................................................7 4. Hardware Functional Description .........................................................................................8 4.1 DSP Core .............................................................................................................................................. 8 4.2 DSP Memory ......................................................................................................................................... 9 4.2.1 DMA Controller ......................................................................................................................... 9 4.3 On-chip DSP Peripherals ...................................................................................................................... 9 4.3.1 Analog to Digital Converter Port (ADC) .................................................................................... 9 4.3.2 Digital to Analog Converter Port (DAC) .................................................................................... 9 4.3.3 Digital Audio Input Port (DAI) .................................................................................................. 10 4.3.4 S/PDIF RX Input Port (DAI) .................................................................................................... 10 4.3.5 Digital Audio Output Port (DAO) ............................................................................................. 10 4.3.6 S/PDIF TX Output Port (DAO) ................................................................................................ 10 4.3.7 Sample Rate Converters (SRC) .............................................................................................10 4.3.8 Serial Control Port (I2C® or SPI™) .......................................................................................... 11 4.3.9 GPIO ....................................................................................................................................... 11 4.3.10 PLL-based Clock Generator ................................................................................................. 11 4.3.11 Hardware Watchdog Timer ................................................................................................... 11 4.4 DSP I/O Description .............................................................................................................................11 4.4.1 Multiplexed Pins ..................................................................................................................... 11 4.4.2 Termination Requirements ...................................................................................................... 11 4.4.3 Pads ....................................................................................................................................... 11 4.5 Application Code Security ................................................................................................................... 12 5. Characteristics and Specifications .....................................................................................13 5.1 Absolute Maximum Ratings ................................................................................................................. 13 5.2 Recommended Operating Conditions ................................................................................................. 13 5.3 Digital DC Characteristics ................................................................................................................... 13 5.4 Power Supply Characteristics ............................................................................................................. 14 5.5 Thermal Data (100-Pin LQFP with Exposed Pad) ...............................................................................14 5.6 Digital Switching Characteristics— RESET ......................................................................................... 15 5.7 Digital Switching Characteristics — XTI .............................................................................................. 15 5.8 Digital Switching Characteristics — Internal Clock .............................................................................. 16 5.9 Digital Switching Characteristics — Serial Control Port - SPI Slave Mode ......................................... 17 5.10 Digital Switching Characteristics — Serial Control Port - SPI Master Mode ..................................... 18 5.11 Digital Switching Characteristics — Serial Control Port - I2C Slave Mode2 ....................................... 19 5.12 Digital Switching Characteristics — Serial Control Port - I2C Master Mode ...................................... 20 5.13 Digital Switching Characteristics — Digital Audio Slave Input Port ................................................... 21 5.14 Digital Switching Characteristics — Digital Audio Output Port .......................................................... 22 5.15 Digital Switching Characteristics — S/PDIF RX Port ........................................................................23 5.16 ADC Characteristics .......................................................................................................................... 24 5.16.1 Analog Input Characteristics (Commercial) .......................................................................... 24 5.16.2 Analog Input Characteristics (Automotive) ........................................................................... 25 5.16.3 ADC Digital Filter Characteristics ......................................................................................... 27 5.17 DAC Characteristics .......................................................................................................................... 27 5.17.1 Analog Output Characteristics (Commercial) ....................................................................... 27 |
Аналогичный номер детали - CS47048 |
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Аналогичное описание - CS47048 |
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