Analog Hardware Features

• Three channels of 24-bit audio ADC

• Two 24-bit audio DACs

• Stereo earphone driver for 30

load

• Internal microphone amplifiers

• Stereo FM radio receiver with RDS

• 10-bit ADC, 3-5 external inputs

• Operation from single power supply,

four programmable internal regulators

Digital Hardware Features

• 100 MIPS VS_DSP4 processor core

• 128 KiB program RAM (32 KiWord)

• 128 KiB data RAM (232 KiWord)

• Protected 8 Mi-bit FLASH (Optional)

• USB 2.0 Full Speed Host / Device

• I2S and SPDIF digital audio interfaces

• NAND FLASH interface with EEC

• SD Card interface

• 2 SPI bus interfaces

• 10BaseT Ethernet controller

• UART interface

• All digital pins are user configurable for

general purpose IO

• Flexible clock selection, default operation

from 12.288MHz

• Internal PLL clock multiplier for digital

logic

• RTC with battery backed memory

• Reed-Solomon error correction

• HW debug support with VSIDE via JTAG

Firmware and VSOS Features

• Decoders: MP3, WMA, Ogg Vorbis, AAC,

ALAC, FLAC, AIFF, WAV PCM, DSD

• Encoders: MP3, Ogg Vorbis,WAV PCM

• File I/O for SD cards and USB drives

• FM tuner and RDS decoder

• USB host and device libraries

• Extensive audio DSP library

• VSOS UART Shell Environment

• Flexible boot options

• Pre-emptive multitasking

• Easy-to-write software interface with VSIDE

• Graphical display with resistive touch panel