Cirrus Logic CRD49530-USB - Manual (Page 3)

DS705RD3 Copyright 2008 Cirrus Logic iii
CRD49530-USB User’s Manual
Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
1.1 CRD49530-USB Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1.2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1.2.1 PC Requirements ...........................................................................................................1-1
1.2.2 Software Requirements ..................................................................................................1-2
1.2.3 Support Hardware Requirements ...................................................................................1-2
1.2.4 Cabling Requirements ....................................................................................................1-2
1.3 CRD49530-USB System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
1.3.1 Audio Inputs....................................................................................................................1-3
1.3.2 Audio Outputs.................................................................................................................1-3
1.3.3 Control Header ...............................................................................................................1-4
1.3.4 On-Board Voltage Selection Headers ............................................................................1-4
1.3.5 Audio Input Source Multiplexer.......................................................................................1-4
1.3.6 CS4953xx Audio DSP ....................................................................................................1-4
1.3.7 CS8416 S/PDIF RX ........................................................................................................1-5
1.3.8 CS42448 Audio Codec ...................................................................................................1-5
1.3.9 Memory...........................................................................................................................1-5
1.3.10 Audio Clocking..............................................................................................................1-6
1.4 Other Useful Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9
1.4.1 Web Sites .......................................................................................................................1-9
1.5 Information Shipped with the Evaluation Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9
1.5.1 DSP Information .............................................................................................................1-9
1.5.2 Board Information ...........................................................................................................1-9
1.5.3 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
3.1.2 Setting up the CS49530-USB Boards ............................................................................3-2
3.1.3 Connecting to a PC ........................................................................................................3-4
3.1.4 Running a Stereo PCM Application on CRD49530-USB................................................3-6
3.1.5 Downloading Other Applications ....................................................................................3-6
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4.2 Basic Application Download and System Configuration - PCM Pass-through . . . . . . . . . .4-1
4.2.1 System Block..................................................................................................................4-3
4.2.2 Channel Remap of CS4953xx ........................................................................................4-3
4.3 Changing Audio Input Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
4.3.1 S/PDIF Audio Input.........................................................................................................4-4
4.3.2 Analog Audio Input .........................................................................................................4-5
4.3.3 USB (
I2
S) 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 CS4953xx ..............................................................................................4-7
4.4.2 Changing Serial Control Protocol (I
2
C“
®
or SPI
™
) / Memory Usage..............................4-8
4.5 Programming the On-board Serial Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1