STMP3502, 3503, 3505, 3506, 3510, 3520, 3550, 3560
MP3 and WMA Decode
—Field upgradeable to other digital music formats
Digital Rights Management (DRM)
—Portable Device Digital Rights Management (PDDRM)
—Windows Media Digital Rights Management 10 (WMDRM 10)
MP3 Encode
—Voice, FM, or Line-in recording
Voice record in ADPCM format
On-chip read-only unique ID for Digital Rights Management (DRM)
Flexible Memory Interface
—SLC or MLC NAND Flash
—SmartMedia
—MMC
—Secure Digital
—CompactFlash
—Multiple NAND flash can be concatenated together
to represent a single device
Flexible, efficient on-chip DC-DC converter
—Energy saving dynamic power management
Flexible battery configuration
—Up to 50 hours of operation on a single AA battery
—1xAAA, 2xAA, 2xAAA, Li-lon*
Battery level detection using Low Resolution Analog
to Digital Converter (LRADC)
GPIO and button I/O controls
LED/LCD Driver
FM tuner input and control support
Volume control on record and playback
Full analog mixer configuration
<0.05% THD headphone driver, including anti-pop
and short-circuit protection
High performance 18-bit ΣΔ technology
Line-in to Line-out SNR >94 dB typical
Windows® and Macintosh® USB Mass Storage Class support
Upgradeable firmware
Bass and Treble control; configurable multiple band control
Graphical EQ
Subdirectory Support
Playlist Support
