CRD-49530-USB Cirrus Logic Inc, CRD-49530-USB Datasheet

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CRD-49530-USB

Manufacturer Part Number
CRD-49530-USB
Description
Audio Modules & Development Tools Eval Bd 32-Bit Aud Dcdr & Prgrmble DSP
Manufacturer
Cirrus Logic Inc
Datasheet

Specifications of CRD-49530-USB

Product
Audio Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
CRD49530 -USB
Customer Reference Design
CRD49530-USB
User ’s Manual
This document contains information for a new product.
Preliminary Product Information
Cirrus Logic reserves the right to modify this product without notice.
©
Copyright 2008 Cirrus Logic, Inc.
SEP 2008
DS705RD3
http://www.cirrus.com

Related parts for CRD-49530-USB

CRD-49530-USB Summary of contents

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... CRD49530-USB Preliminary Product Information http://www.cirrus.com CRD49530 -USB Customer Reference Design User ’s Manual This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. © Copyright 2008 Cirrus Logic, Inc. SEP 2008 DS705RD3 ...

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... SPI is a trademarks of Motorola, Inc registered trademark of Philips Semiconductor Corp. HDMI is a trademark or registered trademark of HDMI Licensing, LLC in the United States and/or other countries. Dolby Digital is a registered trademark of Dolby Laboratories Licensing Corporation. DS705RD3 www.cirrus.com Copyright 2008 Cirrus Logic CRD49530-USB User’s Manual ii ...

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... Audio Codec Information ................................................................................................1-9 1.5.4 S/PDIF Receiver Information..........................................................................................1-9 1.5.5 DSP Software Utility Information ..................................................................................1-10 2.1 Introducing the CRD49530-USB Customer Reference Kit . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 2.1.1 Identifying Components on the CRD49530-USB ...........................................................2-2 3.1 Installation, Setup, and Running First Application .3-1 3.1.1 Evaluation Software Installation .....................................................................................3-1 3 ...

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... Figure 4-4. CRD49530 Audio In Properties ..................................................................................................4-4 Figure 4-5. CRD49530 S/PDIF Rx Properties ..............................................................................................4-4 Figure 4-6. CRD49530 Analog Properties ....................................................................................................4-5 Figure 4-7. CRD49530 DAI Input Properties ................................................................................................4-6 Figure 4-8. CRD49530 Audio Out Properties ...............................................................................................4-7 Figure 4-9. CRD49530 Digital Audio Output Properties ...............................................................................4-7 iv Copyright 2008 Cirrus Logic DS705RD3 ...

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... Figure 4-10. CRD49530 Comm Mode / Memory Usage ..............................................................................4-8 Figure 5-1. CRD49530-USB Block Diagram ................................................................................................5-6 Figure 5-2. CS49953xx DSP on CRD49530-USB Board .............................................................................5-7 Figure 5-3. SDRAM and Flash Block ...........................................................................................................5-8 Figure 5-4. S/PDIF Receiver ........................................................................................................................5-9 Figure 5-5. CS42448 CODEC ....................................................................................................................5-10 Figure 5-6. Input / Output Filters ................................................................................................................5-11 Figure 5-7 ...

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... Each CRD49530-USB kit comes with the following: • CRD49530 Development Board • Power Supply: +9V, 1.67A, 100V - 240V with AC Power Cord • CRD USB Master USB Digital I/O Card • USB Cable • Document Card explaining how to get the latest board software 1 ...

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... Digital Audio Output – S/PDIF Optical Cables (Connect to digital audio card, audio analyzer, or AVR.) • Analog Audio Inputs – RCA Audio Cables (Connect CRD49530 line-level inputs to analog audio source.) • Analog Audio Outputs – RCA Audio Cables (Connect CRD49530 line-level outputs to powered speakers.) 1 ...

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... CRD49530-USB System Description CRD49530-USB User’s Manual 1.3.1 Audio Inputs 1.3.1.1 Analog Line-level Inputs • Connector Type: RCA Female • Absolute Maximum Signal Level: +6.5V • Absolute Minimum Signal Level: GND - 0.7V • Full Scale Amplitude: 2V • Reference Designators: J12, J26-J30, or AIN1 - AIN6 1.3.1.2 Optical Digital Inputs • ...

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... The third configuration for the power selection headers is the ‘EXT’ position. This is a special mode of operation, and cannot be used while connected to the CRD USB Master control board. Placing the power selection headers in the ‘EXT’ position while connected to the CRD USB Master will prevent the board from operating. ...

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... Clocking" on page 1-6 1.3.9 Memory The CRD49530 is populated with a 4 Mbit serial flash. There are 2 footprints (U11, U13) on the board for compatibility with both standard 8-pin serial flash pinouts. The serial control lines are shared by both footprints. Only one serial flash chip can be populated. ...

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... The requirements are slightly more complicated for systems using “bursty” delivery on the input side of the DSP, but the CRD49530 is designed to emulate isochronous systems. The CRD49530 can operate in three different clocking modes. Each of these modes is explained in the following sections. 1.3.10.1 Clock and Data Flow for ADC Input ...

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... CRD49530-USB System Description CRD49530-USB User’s Manual The CS4953xx always masters its output clocks (DSP_SCLK/DSP_LRCLK). Clock Name Clock Master Source MUXED_MCLK MUXED_SCLK MUXED_LRCLK DSP_SCLK DSP_LRCLK Note: MUXED_MCLK is the clock signal that is driven by the CS8416’s RMCK pin. The CS8416 provides the recovered clock from the S/PDIF input unless it loses signal lock, in which case the CS8416 passes the DSP clock (XTAL_OUT) that it receives on the OMCK pin ...

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... CS8416 CS4953xx CS4953xx MUXED_MCLK DSP_SCLK DSP_LRCLK DAO DSP_DA0[3:0] Figure 1-5. HDMI Clocking Copyright 2008 Cirrus Logic CRD49530-USB System Description CRD49530-USB User’s Manual Clock Frequency 256*S/PDIF Fs (e.g. 12.288 MHz for 48 kHz) 64*Input Fs (default) Input Fs 64*Output Fs (default) 1*Input Fs (default) SDIN CS42448 1-8 ...

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... Other Useful Information CRD49530-USB User’s Manual The CS4953xx always masters its output clocks (DSP_SCLK/DSP_LRCLK). Clock Name Clock Master Source HDMI ® Source MUXED_MCLK MUXED_SCLK MUXED_MCLK MUXED_LRCLK MUXED_MCLK DSP_SCLK MUXED_MCLK DSP_LRCLK MUXED_MCLK Note: MUXED_MCLK is the clock signal that is driven by the HDMI source. ...

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... Check the Cirrus Logic web site for the latest updates. 1. The “§§” symbol is used throughout this manual to indicate the end of the text flow in a chapter. DS705RD3 Information Shipped with the Evaluation Kit 1 §§ Copyright 2008 Cirrus Logic CRD49530-USB User’s Manual 1-10 ...

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... Master USB Control board. The CRD49530 provides a practical platform for emulating a typical multi- channel audio system application. The CRD USB Master is a USB control board used to interface the host PC to the CRD49530, and convert GUI commands into the serial control protocol required for configuring the CS4953xx, CS42448, and CS8416 audio ICs ...

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... Note: Not all features of the CS4953xx are exercised on the CRD49530. 2.1.1 Identifying Components on the CRD49530-USB Figure 2-2 shows the top side of the CRD49530. The accompanying legend identifies the main components of the board. A. CS4953xx DSP CS42448 Audio Codec CS8416 S/PDIF Receiver Mbit Serial Flash, U11 E. 64 Mbit SDRAM (166 MHz 1/8” ...

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... Introducing the CRD49530-USB Customer Reference Kit CRD49530--USB User’s Manual H. Coaxial S/PDIF Input Jacks I. Analog Inputs USB Connector on CRD USB Master K. Alternate +12V Jumper +3.3V Switching Regulator (1.5A +3.3V Selection Header (Regulator/External), J17 N. +1.8V Selection Header (Regulator/External), J18 O. +1.8V Linear Regulator (1A), U10 P ...

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... DS705RD3 Introducing the CRD49530-USB Customer Reference Kit Copyright 2008 Cirrus Logic CRD49530--USB User’s Manual 2-4 ...

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... Installation, Setup, and Running First Application It is important to install the latest Evaluation Software (cs4953x_eval_kit.exe) BEFORE connecting the USB cable from the PC to the CRD Master-USB daughter card. Failure to install the evaluation software before the initial connection can result in an inability to communicate with the CRD49530. ...

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... If the boards are not mated, connect them together as shown in connector on the CRD USB Master and the power connector on the CRD49530 are on the same side. 3. Connect the power supply jack to the CRD49530 board at J25 and the adapter to a wall power socket or power strip. ...

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... Connect the other end of the optical cable to the optical output on the back of a DVD player or other digital audio source. 6. Make Audio Output connections from the CRD49530 board. • The RCA connectors labeled AOUT1 and AOUT2 are the left and right analog output channels. ...

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... Connecting Connect the “B” end of the USB cable the CRD USB Master Digital I/O Card. 2. Connect the “A” end of the USB Cable to a USB 2.0 port on a notebook or PC running Win XP. 3. Windows should recognize that a new device has been attached and display a notice saying “Found New Hardware” ...

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... Installation, Setup, and Running First Application CRD49530-USB User’s Manual Figure 3-5. Found New Hardware Wizard with Automatic Installation Option Window possible that during the installation, Windows might issue a warning that the drivers have not passed “Windows Logo” testing. Select Continue Anyway. ...

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... Installation, Setup, and Running First Application CRD49530-USB User’s Manual 3.1.4 Running a Stereo PCM Application on CRD49530-USB 1. Launch DSP composer (Start 2. In DSP Composer File 3. Press the GO button 4. Insert PCM material into the DVD player (e.g. music CD DVD is being used as the audio source, make sure that the DVD Player (or other digital audio source) is configured to output PCM data ...

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... DSP Composer main window will appear as shown in Figure 4-1 shows the DSP Composer CRD49530. The blocks shown in the main window of DSP Composer can be selected from the folders in the left-hand window pane, and then connected together by “wires” to indicate the processing path as shown. ...

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Figure 4-1. PCM Pass-through Example Application ...

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... Firmware version and the PCM input mode from the pull-down menu. . 4.2.2 Channel Remap of CS4953xx The audio output channels of the CRD49530 can be mapped by double-clicking on the System block in DSP Composer. Select the DAO remap tab as illustrated in internal channel to route to DA01 channel. ...

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... Changing Audio Input Source The active audio input to the CRD49530 is selected through the “Audio In” block in DSP Composer, this is done by right-clicking on the “Audio In” block and selecting Device Properties, as illustrated in This dialog allows the user to set the following parameters for the CS4953xx: • ...

Page 30

... Analog Only - Enable microphone input. 2 4.3.3 USB (I S) Audio Input This feature is used for debugging and development purposes via the usb_play utility. 4-5 1-6. The Audio In module with Analog as the input 4-6. Figure 4-6. CRD49530 Analog Properties Copyright 2008 Cirrus Logic DS705RD3 ...

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... LRCLK polarity - Channel 0 low / Channel 0 high • Channel Mode - SPDIF on pin 4 / SPDIF on pin 0 • Temperature Grade - CRD49530s are populated with commercial-grade chips by default • Ref Clock - Set to the frequency of the crystal driving the CS49353xx (Y1). This is the reference clock is used to determine the clock dividers needed to derive Fs in ADC-only applications. If this number changes, then all dividers for LRCLK/SCLK will change by the same ratio (e ...

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... Changing Audio Output Source CRD49530-USB User’s Manual 4.4 Changing Audio Output Source The audio output section of the CRD4930 is configured through the “Audio Out” block in DSP Composer, this is done by right-clicking on the “Audio Out” block and selecting Device Properties, as illustrated in Figure 4-8 ...

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... Figure 4-10. CRD49530 Comm Mode / Memory Usage 4.5 Programming the On-board Serial Flash The CRD49530 is populated with 4 Mbits of serial Flash that can be used to store custom DSP firmware or run-time firmware configuration options. In order to emulate a system that boots the DSP from Flash, the serial flash can be programmed in system with the desired DSP firmware. The host (the PC in this case) can be used to perform a host-controlled master boot (HCMB) to boot the CS4953xx ...

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... MCLK for analog sampling in the CS42448 codec. The PLL filter circuit on the CRD49530 is designed to allow the use of the CS4953xx family of DSPs and the legacy CS495xx DSPs. The board is configured for the CS4953xx PLL by default, but extra components can be populated to support the CS495xx as explained by the note on the bottom of the schematic page ...

Page 35

... By default, only the SST flash (U13) is populated The CRD49530 is populated with a 64 Mbit, 166 MHz SDRAM with a 16-bit-wide data bus (U7). Note that both the series termination (R40) and the parallel termination (R42) for SD_CLKIN are physically close to the DSP on the board ...

Page 36

... The CRD USB Master USB board acts as the host controller in the CRD49530 platform, and is connected to the CRD49530 via J11 on page 8 of the schematics. The CRD USB Master drives the serial host control port signals shown on this schematic page. ...

Page 37

... The DC input connector (J25) for the CRD49530 can accept capable of supplying at least 1 amp of current. The 3 voltage regulators on the CRD49530 generate the 1.8V, 3.3V, and 5V necessary for powering all of the ICs on the board. Note that the 5 V and 3.3 V regulators run directly off the DC input supply connected to the CRD49530, while the 1 ...

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... J3 should not be used in normal operation. 5.3 Obtaining Schematic Updates Updates to the schematics for the CRD49530 Development Board can be can be obtained from your local Cirrus Logic representative as part of a design package including the associated BOM, and layout artwork. The schematics are provided in Adobe’ ...

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... Figure 5-1. CRD49530-USB Block Diagram ...

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... Figure 5-2. CS49953xx DSP on CRD49530-USB Board ...

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Figure 5-3. SDRAM and Flash Block ...

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Figure 5-4. S/PDIF Receiver ...

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Figure 5-5. CS42448 CODEC ...

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Figure 5-6. Input / Output Filters ...

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Figure 5-7. MIC Pre-AMP ...

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Figure 5-8. Connectors and Power ...

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... DS705RD3 §§ Copyright 2008 Cirrus Logic Obtaining Schematic Updates CRD49530-USB User’s Manual 5-14 ...

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... Problem: CRD49530-USB is not Recognized by PC • Possible cause: DC power supply is not connected to CRD49530. Solution: The CRD49530 is not a USB-powered device. Make sure the DC wall supply is connected to the DC power input jack (J25), and the supply is plugged into a wall outlet. • Possible cause: CRD49530 USB Drivers not installed before connecting to PC. ...

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... Date RD1 JUN 2006 First release. Update DSP Composer information. Updated Figure 5-2, "CS49953xx DSP on CRD49530-USB Board" on page 7. Added note to “Memory” on page RD2 DEC 2007 page 2. Use the URL for the Cirrus Logic Website located in the legal notice on this page to obtain the latest Cirrus Logic ontact information .Replaced “ ...

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... Revision History CRD49530-USB User’s Manual 6-3 Copyright 2008 Cirrus Logic, DS705RD3 ...

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