Section 1
Introduction .................................................................................................................1-1
1.1
1.2
1.3
Scope ................................................................................................................................. 1-1
AT73C240-EK1 Features................................................................................................... 1-2
Deliverables ....................................................................................................................... 1-2
Section 2
Getting Started............................................................................................................2-1
2.1
2.2
2.3
2.4
Electrostatic Warning ......................................................................................................... 2-1
Requirements..................................................................................................................... 2-1
PC System Requirements.................................................................................................. 2-1
Instructions......................................................................................................................... 2-2
2.4.1
2.4.2
2.5
2.6
2.7
To start the AT73C240-EK1 board (before using the AT73C240-EK1 software) 2-2
To turn off the AT73C240-EK1 evaluation board................................................. 2-2
Block Diagram.................................................................................................................... 2-3
Typical Connection Application .......................................................................................... 2-3
Power Supply ..................................................................................................................... 2-4
2.7.1
2.7.2
2.7.3
AC/DC Transformer or External Power Supply ................................................... 2-4
Supply With a Power Supply on Audio Power Amplifier ...................................... 2-6
On Board Supply Voltage .................................................................................... 2-6
Serial Interfaces Header ...................................................................................... 2-7
SPI Setup............................................................................................................. 2-8
TWI Setup ............................................................................................................ 2-9
I²S Extension Header......................................................................................... 2-10
Headset 32 Ohms Output .................................................................................. 2-11
Power Amplifier Output (PA).............................................................................. 2-11
2.8
Communication Interfaces ................................................................................................. 2-7
2.8.1
2.8.2
2.8.3
2.8.4
2.9
Audio Interfaces ............................................................................................................... 2-11
2.9.1
2.9.2
2.10 General Configuration ...................................................................................................... 2-13
2.10.1 Configuration Pads ............................................................................................ 2-13
Section 3
Parallel-to-serial Card .................................................................................................3-1
3.1
3.2
3.3
3.4
3.5
Parallel-to-serial Card Features ......................................................................................... 3-1
Parallel-to-serial Card Components Placement ................................................................. 3-2
Electrostatic Warning ......................................................................................................... 3-2
Requirements..................................................................................................................... 3-2
Instructions......................................................................................................................... 3-3
3.5.1
3.5.2
3.6
To start the Parallel-to-Serial card (before using any software) .......................... 3-3
To turn off the Parallel-to-Serial card evaluation board ....................................... 3-3
Block Diagram.................................................................................................................... 3-4
AT73C240-EK1 Evaluation Kit User Guide
1-1
6482A–PMAAC–11-Jun-09
3.7
Power Supply ..................................................................................................................... 3-4
3.7.1
3.7.2
3.7.3
AC/DC Transformer ............................................................................................. 3-5
Vpad Supply Option ............................................................................................. 3-7
Adjustable Output Voltage ................................................................................... 3-8
Serial Interfaces Header ...................................................................................... 3-9
12.288 MHz Clock ............................................................................................. 3-10
On Board Configuration Pads ............................................................................ 3-10
3.8
Communication Interfaces ................................................................................................. 3-9
3.8.1
3.8.2
3.8.3
Section 4
AT73C240-EK1 Software Interface ............................................................................4-1
4.1
Software Panel................................................................................................................... 4-1
Section 5
Technical Specifications .............................................................................................5-1
5.1
5.2
AT73C240-EK1 .................................................................................................................. 5-1
Parallel-to-Serial Card........................................................................................................ 5-1
Section 6
PCB Layout.................................................................................................................6-1
6.1
6.2
AT73C240-EK1 .................................................................................................................. 6-1
Parallel-to-Serial Card........................................................................................................ 6-3
Section 7
Schematics .................................................................................................................7-1
Section 8
Revision History..........................................................................................................8-1
8.1
Revision History ................................................................................................................. 8-1
1-2
6482A–PMAAC–11-Jun-09
AT73C240-EK1 Evaluation Kit User Guide
Section 1
Introduction
Congratulations on your purchase of the AT73C240-EK1. It is designed to give designers a quick start to
evaluate the audio capability of the AT73C240 and for prototyping and testing of new designs.
1.1
Scope
This document describes the AT73C240-EK1. This board is designed to allow an easy evaluation of the
products using demonstration software.
To increase its capabilities for demonstration, this standalone board has two serial interfaces (Serial
Peripheral Interface and I²S via a dedicated connector).
This user guide acts as a general getting started guide as well as a complete technical reference for
advanced users.
This document refers the AT73C240 Datasheet.
Typical Applications:
MP3-Player
PDA, Camera, Mobile Phone
Car Audio/Multimedia
Home Audio/Multimedia
AT73C240-EK1 Evaluation Kit User Guide
1-1
6482A–PMAAC–11-Jun-09
NXP MCU
京公网安备 11010802033920号
EEWORLD
