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CS495303-DVZ Datasheet(PDF) 2 Page - Cirrus Logic |
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CS495303-DVZ Datasheet(HTML) 2 Page - Cirrus Logic |
2 / 38 page 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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