1.1Feature

• Plays audio from SD card or USB Mass Storage

• Uses powerful MP3 audio format

• Both firmware and content can be customized

• Triggered via USB, UART or IO pins

• Very simple to use, UART is enough to send commands

• High performance analog CD quality output

• Supports low bit rates and various sample rates

• Operates from a single supply (5V)

• SPI FLASH for code

• Micro-SD connector for data storage

• Most internal nodes are routed to pin headers for easy access and customization

   

   

1.2Block Diagram