Cirrus-logic CRD48L10 Manuel d'utilisateur

NOV 2012DS998DB1http://www.cirrus.comCS48L1032-Bit Audio DSP ProductCopyright  Cirrus Logic, Inc. 2012(All Rights Reserved)CRD48L10-4in4out Board Man

1 2.1 Audio InputsChapter 2 Input/Output Specifications2.1 Audio Inputs2.1.1 Analog Line Input• Connector Type: 1/8 inch (3.5mm) stereo Female• Absolu

22.2 Audio Outputs 2.2 Audio Outputs2.2.1 Analog Line-level Outputs• Connector Type: 1/8 inch (3.5mm) stereo Female• Full Scale Output: 2.9 Vpp• Refer

3 2.3 Digital Control Probe Points2.3 Digital Control Probe Points2.3.1 DSP Control• Connector Type: 100-MIL Male Header (5x2)• Absolute Maximum Inpu

42.4 DSP Composer Control Header 2.3.7 Main Clock• Connector Type: 100-MIL Male Header (2x1)• Absolute Maximum Input Signal Level: +6.0 V• Absolute Mi

5 2.9 MCU DEBUG C-2 Programming Header2.9 MCU DEBUG C-2 Programming HeaderThis header is used to program the MCU from a CDB-MCU-DEBUG dongle (P4/C2-O

1 3.1 S1 Button Control (No LCD)Chapter 3 Standalone ModesThe CRD48L10-4in4out has multiple audio input and output ports. All available data flow path

23.1 S1 Button Control (No LCD) Figure 3-2. CRD48L10-4in4out S1 Control Only3.1.2 Selecting Input Audio SourceInput selection is controlled with the S

3 3.1 S1 Button Control (No LCD)The MCU will cycle through the inputs when the button S1 is pressed from FLASH > LINE IN > MIC 1 & 2 > S/

43.1 S1 Button Control (No LCD) Figure 3-6. S/PDIF OPTICAL ActiveEach of the input modes is described in the following sections. The MCU configures th

5 3.1 S1 Button Control (No LCD)Figure 3-8. Clocking for FLASH Playback–DSP MasterThis is the default configuration after power up of the CRD48L10-4in

ii CRD48L10-4in4out Board Manual CS48L10 Contacting Cirrus Logic Support For all product questions and inquiries, contact a Cirrus Logic Sales Repres

63.1 S1 Button Control (No LCD) The S/PDIF receiver is configured to automatically switch between the on-board oscillator and the clock recovered from

7 3.2 MCU UI Controlled3.1.6 S/PDIFFigure 3-13. Data Path for S/PDIF AudioFigure 3-14. Clocking for S/PDIF Audio–DSP MCLK SlaveBoth the Mini-Optical a

83.2 MCU UI Controlled Figure 3-15. CRD48L10-4in4out MCU UI Control1. The LCD will then display the current revision of the on board C8051F930 MCU, as

9 3.2 MCU UI ControlledThere are four projects available in the default MCU code shipped with the CRD48L10:• MP3 Decode from FLASH• LINE IN• MIC IN•S/

103.2 MCU UI Controlled Figure 3-21. LINE IN SnapshotFigure 3-22. S/PDIF IN (Same as Initial) SnapshotFigure 3-23. LINE IN + S/PDIF SnapshotThe clocki

11 3.2 MCU UI ControlledFigure 3-24. Clocking for All S/PDIF Snapshots–DSP MCLK Slave3.2.3 Snapshot MenuA project defines the firmware modules downloa

123.2 MCU UI Controlled The following are menu choices under Clock Source:• Default 12.288 MHz oscillator• CLK IN header TP4• TP4 supports voltages fr

1 4.1 Jumper SettingsChapter 4 Quick Start for the CRD48L10-4in4outThe easiest use case of the CRD48L10-4in4out requires power (via the mini-USB conne

24.3 Monitoring Audio 4.3 Monitoring AudioBy default, all audio outputs of the CRD48L10 are active. Any of the outputs listed in Section 2.2 can be co

1 Chapter 5 Using DSP Composer™ with CRD48L10-4in4outThe CRD48L10-4in4out can be controlled using the DSP Composer™ application through the CDB-MCU-D

CRD48L10-4in4out Board Manual 1CS48L10 Chapter 1Introduction to the CRD48L10-4in4out Board1.1 Requirements ...

2 Figure 5-3. S/PDIF Pass-thru• An S/PDIF + LINE-IN project is shown in Fig. 5-4.Figure 5-4. S/PDIF + LINE-IN

1 6.1 Checking the Revision of MCU Code in the BoardChapter 6 Updating the MCU ImageThe CRD48L10 MCU is not automatically updated to the latest versio

26.3 Programming the MCU Figure 6-3. Programming SuccessfulPower cycle the CRD48L10-4in4out board, and then the LCD will indicate the new revision of

1 7.1 Generate DeliverablesChapter 7 Using Micro-Condenser to Create and Load a FLASH ImageThis section describes how to create a standalone binary im

1 Chapter 8 Programming MP3 FLASH1. Configure CRD48L10 as described in CDB-MCU-DEBUG Controller User’s Manual, and launch a command console window.2.

1 9.1 SPI Master BootChapter 9 Master Boot UsageNote: Master boot usage is only supported in SDK 6.6.x or later versions of the SDK.9.1 SPI Master Bo

29.2 I2C Master Boot Note: Programming the Master Boot image erases the MP3 content.9.2 I2C Master BootI2C master boot is not supported on CRD48L10_4

1 10.1 External Control of CS48L10Chapter 10 External Control of CRD48L10-4in4outExternal control of the CRD48L10 can be viewed as two different compo

1 Chapter 11 Measuring PowerCurrent measurement points are available for the CS48L10, CS42L73, and for the entire CRD48L10 using the provided current

2 Accuracy of these measurements depends on the DMM used for performing the current/voltage measurements. DMM’s tend to have more accuracy with small

2 CRD48L10-4in4out Board Manual CS48L10 4.2 Powering Board ...

1 Chapter 12 Using Analog MEMS MicrophonesWhen shipped, the CRD48L10-4in4out is configured to work with ECM microphones. The CS472L73 provides a bias

2 Figure 12-3. AMEMS HDMI Board Wired to MIC BoardsFigure 12-4. AMEMS Cabled to CRD48L10-4in4outThe AMEMS can then be used with the standard MIC-IN p

1 Chapter 13 Interfacing to Telit GSM ModuleA special adapter board is available from Cirrus to connect the VSP port from the CRD48L10 to a Telit wir

1 Chapter 14 Schematic, Layout, BOMThe design files for the CRD48L10_4in4out are included in the crd48l10_4in_4out.exe installer. When installed in t

1 Chapter 15 Revision HistoryRevision Date ChangesDB1 November, 2012 Initial release.

1 1.1 RequirementsChapter 1 Introduction to the CRD48L10-4in4out Board1.1 RequirementsThis section lists the requirements for the CRD48L10-4in4out eva

21.3 Introduction to the CRD48L10 Kit Figure 1-1. CRD48L10-4in4out Block DiagramThe main components to be familiar with on the board are:• CS48L10 DSP

3 1.3 Introduction to the CRD48L10 KitFigure 1-2. CRD48L10-4in4outFigure 1-3. MCU-USER-INTERFACE Board

41.3 Introduction to the CRD48L10 Kit Figure 1-4. CDB-MCU-DEBUG BoardFigure 1-5. Ribbon Cables

5 1.3 Introduction to the CRD48L10 KitFigure 1-6. USB and 1/8” to RCA CablesFigure 1-7. TOSLINK to Mini Male Adapter