Analog Hardware Features

• Stereo 16-bit Mems Mic audio interface

• Two 24-bit audio DACs

• Stereo earphone driver for 30

load

• 12-bit ADC, 3-7 external inputs

• Operation from single power supply,

three programmable internal regulators

Digital Hardware Features

• 75 MIPS VS_DSP4 processor core

• 16 KiB instruction RAM (4 KiWord)

• Up to 64 KiB virtual instruction RAM

using built-in translation lookaside buffer

• 64 KiB data RAM (216 KiWord)

• USB 2.0 Hi-Speed (480 Mbit/s)

Device / Host

• I2S and SPDIF digital audio interfaces

• SD Card interface

• 2 SPI bus interfaces

• 2 UART interfaces

• 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

• 128-bit AES hardware decryption

Firmware and VSOS Features

• Decoders: MP3, WAV PCM from ROM.

AAC, WMA, Ogg Vorbis with special software

(restrictions apply, see Chapter 6,

Supported Decoders and File Formats).

• File I/O for SD cards

• USB host and slave libraries

• Extensive audio DSP library

• Flexible boot options

• Easy-to-write software interface with VSIDE