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CS4953XX Datasheet(PDF) 2 Page - Cirrus Logic

Part No. CS4953XX
Description  32-bit Audio Decoder DSP Family with Dual DSP Engine Technology
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS4953XX Datasheet(HTML) 2 Page - Cirrus Logic

 
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CS4953xx Data Sheet
32-bit Audio Decoder DSP Family
2
®Copyright 2008 Cirrus Logic, Inc.
DS705PP2
Table of Contents
1. Documentation Strategy ...........................................................................................................4
2. Overview ....................................................................................................................................4
2.1 Migrating from the CS495xx(2) to the CS4953xx ..................................................................................... 4
2.2 Licensing .................................................................................................................................................. 4
3. Code Overlays ...........................................................................................................................5
4. Hardware Functional Description ...........................................................................................7
4.1 DSP Core ................................................................................................................................................. 7
4.1.1 DSP Memory ...............................................................................................................................7
4.1.2 DMA Controller ............................................................................................................................7
4.2 On-chip DSP Peripherals ......................................................................................................................... 8
4.2.1 Digital Audio Input Port (DAI) .......................................................................................................8
4.2.2 Digital Audio Output Port (DAO) ..................................................................................................8
4.2.3 Serial Control Port 1 & 2 (I2C® or 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 ................................................................................................................................. 9
4.3.1 Multiplexed Pins ..........................................................................................................................9
4.3.2 Termination Requirements ...........................................................................................................9
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 LQFP) ...................................................................................................................... 11
5.6 Thermal Data (128 LQFP) ...................................................................................................................... 11
5.7 Switching Characteristics— RESET ....................................................................................................... 11
5.8 Switching Characteristics — XTI ............................................................................................................ 12
5.9 Switching Characteristics — Internal Clock ............................................................................................ 13
5.10 Switching Characteristics — Serial Control Port - SPI Slave Mode. .................................................... 14
5.11 Switching Characteristics — Serial Control Port - SPI Master Mode ................................................... 15
5.12 Switching Characteristics — Serial Control Port - I2C Slave Mode ...................................................... 16
5.13 Switching Characteristics — Serial Control Port - I2C Master Mode .................................................... 17
5.14 Switching Characteristics — Parallel Control Port - Intel® Slave Mode .............................................. 18
5.15 Switching Characteristics — Parallel Control Port - Motorola® Slave Mode ....................................... 20
5.16 Switching Characteristics — UART ...................................................................................................... 22
5.17 Switching Characteristics — Digital Audio Slave Input Port ................................................................. 23
5.18 Switching Characteristics — DSD Slave Input Port ............................................................................ 24
5.19 Switching Characteristics — Digital Audio Output Port ........................................................................ 24
5.20 Switching Characteristics — External Memory Interface - Flash Mode ............................................... 26
5.21 Switching Characteristics — SDRAM Interface .................................................................................... 28
6. Ordering Information ..............................................................................................................31
7. Environmental, Manufacturing, & Handling Information ....................................................31
8. Device Pinout Diagrams .........................................................................................................32
8.1 128-Pin LQFP Pinout Diagram ............................................................................................................... 32


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