Cirrus Logic CRD48L10 - Manual (Page 3)

CRD48L10-4in4out Board Manual 1
CS48L10
Chapter 1
Introduction to the CRD48L10-4in4out Board
1.1 Requirements ..................................................................................................................................................... 1-1
1.2 CRD48L10-4in4out Main Board Description ...................................................................................................... 1-1
1.3 Introduction to the CRD48L10 Kit ....................................................................................................................... 1-2
Chapter 2
Input/Output Specifications
2.1 Audio Inputs ........................................................................................................................................................ 2-1
2.1.1 Analog Line Input ...................................................................................................................................... 2-1
2.1.2 Analog Microphone Input .......................................................................................................................... 2-1
2.1.3 Optical Digital Input ................................................................................................................................... 2-1
2.1.4 Coaxial Digital Input .................................................................................................................................. 2-1
2.1.5 Digital Microphone Inputs .......................................................................................................................... 2-1
2.1.6 I2S Digital Inputs ....................................................................................................................................... 2-1
2.2 Audio Outputs ..................................................................................................................................................... 2-2
2.2.1 Analog Line-level Outputs ......................................................................................................................... 2-2
2.2.2 Headphone Output .................................................................................................................................... 2-2
2.2.3 Ear Speaker Output ................................................................................................................................... 2-2
2.2.4 Speakerphone Left Output ........................................................................................................................ 2-2
2.2.5 Speakerphone Right Output ...................................................................................................................... 2-2
2.2.6 I2S Digital Output ...................................................................................................................................... 2-2
2.3 Digital Control Probe Points ............................................................................................................................... 2-3
2.3.1 DSP Control .............................................................................................................................................. 2-3
2.3.2 DSP Debug ............................................................................................................................................... 2-3
2.3.3 DSP Interrupts ........................................................................................................................................... 2-3
2.3.4 Codec Reset .............................................................................................................................................. 2-3
2.3.5 Codec I2C ................................................................................................................................................. 2-3
2.3.6 Codec Interrupt .......................................................................................................................................... 2-3
2.3.7 Main Clock ................................................................................................................................................. 2-4
2.4 DSP Composer Control Header ......................................................................................................................... 2-4
2.5 USB Power Input ................................................................................................................................................ 2-4
2.6 Input Button (S1) ................................................................................................................................................ 2-4
2.7 MCU USER INTERFACE Header ...................................................................................................................... 2-4
2.8 Buttons and Knobs ............................................................................................................................................. 2-4
2.9 MCU DEBUG C-2 Programming Header ........................................................................................................... 2-5
2.10 Current Measurement Points ............................................................................................................................ 2-5
Chapter 3
Standalone Modes
3.1 S1 Button Control (No LCD) ............................................................................................................................... 3-1
3.1.1 Powering Up Board ................................................................................................................................... 3-1
3.1.2 Selecting Input Audio Source .................................................................................................................... 3-2
3.1.3 MP3 Decode from FLASH (U9) ................................................................................................................. 3-4
3.1.4 LINE IN ...................................................................................................................................................... 3-5
3.1.5 MIC 1 & 2 .................................................................................................................................................. 3-6
3.1.6 S/PDIF ....................................................................................................................................................... 3-7
3.2 MCU UI Controlled ............................................................................................................................................. 3-7
3.2.1 Powering Up the Board ............................................................................................................................. 3-7
3.2.2 Project Menu ............................................................................................................................................. 3-8
3.2.3 Snapshot Menu ....................................................................................................................................... 3-11
3.2.4 AudioIn Source Menu .............................................................................................................................. 3-11
3.2.5 Clock Source Menu ................................................................................................................................. 3-11
3.2.6 I2C Control Source Menu ........................................................................................................................ 3-12
Chapter 4
Quick Start for the CRD48L10-4in4out
4.1 Jumper Settings .................................................................................................................................................. 4-1