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CS47028C-CQZ 数据表(PDF) 3 Page - Cirrus Logic

部件名 CS47028C-CQZ
功能描述  Audio SOC Processor Family
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS47028C-CQZ 数据表(HTML) 3 Page - Cirrus Logic

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CS470xx Data Sheet
Audio SOC Processor Family
DS787PP1
Copyright 2009 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 .......................................................................................10
4.1 Crystal 32-bit DSP Core ...................................................................................................................... 12
4.2 DSP Memory ....................................................................................................................................... 12
4.2.1 DMA Controller ....................................................................................................................... 12
4.3 On-chip DSP Peripherals .................................................................................................................... 13
4.3.1 Analog to Digital Converter Port (ADC) .................................................................................. 13
4.3.2 Digital to Analog Converter Port (DAC) .................................................................................. 13
4.3.3 Digital Audio Input Port (DAI) .................................................................................................. 13
4.3.4 S/PDIF RX Input Port (DAI) .................................................................................................... 13
4.3.5 Digital Audio Output Port (DAO) ............................................................................................. 13
4.3.6 S/PDIF TX Output Port (DAO) ................................................................................................ 14
4.3.7 Sample Rate Converters (SRC) .............................................................................................14
4.3.8 Serial Control Port (I2C or SPI) ............................................................................................... 14
4.3.9 GPIO ....................................................................................................................................... 14
4.3.10 PLL-based Clock Generator ................................................................................................. 14
4.3.11 Hardware Watchdog Timer ................................................................................................... 14
4.4 DSP I/O Description ............................................................................................................................ 15
4.4.1 Multiplexed Pins ..................................................................................................................... 15
4.4.2 Termination Requirements ...................................................................................................... 15
4.4.3 Pads ....................................................................................................................................... 15
4.5 Application Code Security ................................................................................................................... 15
5. Characteristics and Specifications .....................................................................................16
5.1 Absolute Maximum Ratings ................................................................................................................. 16
5.2 Recommended Operating Conditions ................................................................................................. 16
5.3 Digital DC Characteristics ................................................................................................................... 16
5.4 Power Supply Characteristics ............................................................................................................. 17
5.5 Thermal Data (100-Pin LQFP with Exposed Pad) ...............................................................................17
5.6 Digital Switching Characteristics— RESET ......................................................................................... 18
5.7 Digital Switching Characteristics — XTI ............................................................................................. 19
5.8 Digital Switching Characteristics — Internal Clock .............................................................................. 19
5.9 Digital Switching Characteristics — Serial Control Port - SPI Slave Mode ......................................... 20
5.10 Digital Switching Characteristics — Serial Control Port - SPI Master Mode ..................................... 21
5.11 Digital Switching Characteristics — Serial Control Port - I2C Slave Mode ........................................ 22
5.12 Digital Switching Characteristics — Serial Control Port - I2C Master Mode ...................................... 23
5.13 Digital Switching Characteristics — Digital Audio Slave Input Port ................................................... 24
5.14 Digital Switching Characteristics — Digital Audio Output Port .......................................................... 25
5.15 Digital Switching Characteristics — S/PDIF RX Port (Not available on CS47024) ........................... 26
5.16 ADC Characteristics .......................................................................................................................... 27
5.16.1 Analog Input Characteristics (Commercial) .......................................................................... 27
5.16.2 Analog Input Characteristics (Automotive) ........................................................................... 28
5.16.3 ADC Digital Filter Characteristics ......................................................................................... 30
5.17 DAC Characteristics .......................................................................................................................... 30
5.17.1 Analog Output Characteristics (Commercial) ....................................................................... 30


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