Cirrus Logic CK4970x4 - Manual (Page 4)

iv Copyright 2012 Cirrus Logic, Inc. DS898CK7
CK49x User’s Manual
Chapter 2. Introduction to CK49x Evaluation System ....................................... 2-1
2.1 Introducing the CK49x Evaluation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2.2 Identifying Components on the CK49x Evaluation System . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
2.2.1 CDB49x Main Board Components ..................................................................................2-2
2.2.1.1 CDB49x Main Board Components.................................................................2-4
2.2.2 DC4953x Daughter Card .................................................................................................2-5
2.2.2.1 DC4953x Daughter Card Components..........................................................2-6
2.2.2.2 DC4970x4 Daughter Card Components........................................................2-6
2.2.2.3 DC4953x3 Daughter Card Components........................................................2-6
Chapter 3. Installation, Setup, and Running Application .................................. 3-1
3.1 Installation, Setup, and Running First Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3.1.1 Board Software Installation..............................................................................................3-1
3.1.2 Setting up the CK49x Evaluation Board ..........................................................................3-1
3.1.3 Connecting to a PC .........................................................................................................3-4
3.1.4 Opening a Console Window from the Cirrus Device Manager ........................................3-4
3.1.5 Running a Stereo PCM Application on CK49x ................................................................3-6
3.1.6 Downloading Other Applications .....................................................................................3-7
3.1.7 Running a Multichannel PCM Application via HDMI........................................................3-7
3.1.8 Running a Stereo Analog Input Application.....................................................................3-7
Chapter 4. Programming the DSP on the CK49x Evaluation Board ................. 4-1
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4.2 Basic Application Download and System Configuration - PCM Pass-through . . . . . . . . . .4-1
4.2.1 System Block...................................................................................................................4-1
4.2.2 Channel Remap of the DSP ............................................................................................4-2
4.3 Changing Audio Input Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
4.3.1 S/PDIF Audio Input..........................................................................................................4-3
4.3.2 Analog Audio Input ..........................................................................................................4-4
4.3.3 HDMI Audio Input ............................................................................................................4-5
4.3.4 DAI Input..........................................................................................................................4-6
4.4 Changing Audio Output Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
4.4.1 DAO Output of the DSP...................................................................................................4-7
4.4.2 Changing Serial Control Protocol (I2C‘ or SPI‘) / Memory Usage ...................................4-8
4.5 Programming the On-board Serial Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
Chapter 5. Running the CK49x Board in Standalone Mode .............................. 5-1
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
5.1.1 Standalone Mode Setup..................................................................................................5-1
5.2 System Boot-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5.3 Top-Level Description of the CK49x Evaluation System Buttons
and Rotary Knob Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5.4 Configuration Modes Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
5.4.1 Status Display Mode........................................................................................................5-5
5.4.2 Adjusting Audio Volume ..................................................................................................5-6
5.4.3 Selecting the Audio Source .............................................................................................5-6
5.4.4 Selecting the Surround Sound Mode...............................................................................5-6
5.4.5 Selecting the Virtualizer Mode.........................................................................................5-7
5.4.6 Selecting the Bass Management Mode...........................................................................5-7