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CS497004-CQZ 数据表(PDF) 2 Page - Cirrus Logic

部件名 CS497004-CQZ
功能描述  High Definition Audio Decoder DSP Family with Dual 32-bit DSP Engine Technology
Download  34 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS497004-CQZ 数据表(HTML) 2 Page - Cirrus Logic

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Copyright 2009 Cirrus Logic
DS752PP8
CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
Table of Contents
1. Documentation Strategy ................................................................................................................ 4
2. Overview .......................................................................................................................................... 4
2.1 Migrating from the CS495xx(2) to the CS4970x4 ........................................................................................... 6
2.2 Licensing ......................................................................................................................................................... 6
3. Code Overlays ................................................................................................................................. 6
4. Hardware Functional Description ................................................................................................. 7
4.1 Coyote DSP Core ........................................................................................................................................... 7
4.1.1 DSP Memory ...................................................................................................................................... 7
4.1.2 DMA Controller ................................................................................................................................... 7
4.2 On-chip DSP Peripherals ................................................................................................................................ 7
4.2.1 Digital Audio Input Port (DAI) ............................................................................................................. 7
4.2.2 Digital Audio Output Port (DAO) ........................................................................................................ 8
4.2.3 Serial Control Port 1 & 2 (I2Cor SPI) ........................................................................................... 8
4.2.4 Parallel Control Port ........................................................................................................................... 8
4.2.5 External Memory Interface ................................................................................................................. 8
4.2.6 GPIO .................................................................................................................................................. 8
4.2.7 PLL-based Clock Generator ............................................................................................................... 8
4.3 DSP I/O Description ........................................................................................................................................ 8
4.3.1 Multiplexed Pins ................................................................................................................................. 8
4.3.2 Termination Requirements ................................................................................................................. 8
4.3.3 Pads ................................................................................................................................................... 9
4.4 Application Code Security ............................................................................................................................... 9
5. Characteristics and Specifications ............................................................................................. 10
5.1 Absolute Maximum Ratings .......................................................................................................................... 10
5.2 Recommended Operating Conditions ........................................................................................................... 10
5.3 Digital DC Characteristics ............................................................................................................................. 10
5.4 Power Supply Characteristics ........................................................................................................................11
5.5 Thermal Data (144-Pin LQFP) .......................................................................................................................11
5.6 Thermal Data (128-pin LQFP) .......................................................................................................................11
5.7 Switching Characteristics— RESET# ........................................................................................................... 12
5.8 Switching Characteristics — XTI .................................................................................................................. 12
5.9 Switching Characteristics — Internal Clock .................................................................................................. 13
5.10 Switching Characteristics — Serial Control Port - SPI Slave Mode ............................................................ 13
5.11 Switching Characteristics — Serial Control Port - SPI Master Mode .......................................................... 14
5.12 Switching Characteristics — Serial Control Port - I2C Slave Mode ............................................................ 15
5.13 Switching Characteristics — Serial Control Port - I2C Master Mode .......................................................... 16
5.14 Switching Characteristics — Parallel Control Port - Inte® Slave Mode ...................................................... 17
5.15 Switching Characteristics — Parallel Control Port - Motorola® Slave Mode ............................................. 19
5.16 Switching Characteristics — Digital Audio Slave Input Port ....................................................................... 21
5.17 Switching Characteristics — DSD® Serial Input Port ................................................................................. 22
5.18 Switching Characteristics — Digital Audio Output Port ............................................................................... 23
5.19 Switching Characteristics — SDRAM Interface .......................................................................................... 24
6. Ordering Information .................................................................................................................... 28
7. Environmental, Manufacturing, and Handling Information ..................................................... 28
8. Device Pin-Out Diagram ............................................................................................................... 29
8.1 128-Pin LQFP Pin-Out Diagram ................................................................................................................... 29
8.2 144-Pin LQFP Pin-Out Diagram .................................................................................................................. 30


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