CS47028C-CQZ (CIRRUS) PDF资料下载 Datasheet(11/17 页)

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参数资料

型号：	CS47028C-CQZ
厂商：	CIRRUS LOGIC INC
元件分类：	数字信号处理
中文描述：	0-BIT, 24.576 MHz, OTHER DSP, QFP100
封装：	14 X 14 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026, LQFP-100
文件页数：	11/17页
文件大小：	479K
代理商：	CS47028C-CQZ

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CS470xx Data Sheet

Audio SOC Processor Family

DS787PP5

Copyright 2011 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 Coyote 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) ................................................................................................ 13

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 ..........................................................................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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