uMP3 Features
| Features | |
|---|---|
| Card Types | SD/miniSD/microSD |
| Card Format | MMC/SD/SDHC/SDXC |
| Card Sizes | 8MB → 2TB |
| File Systems | FAT12 FAT16 FAT32 |
| Control Interface | TTL Serial 7 bit w/trigger 8 buttons |
| Serial Interface | 8 bits, no parity, 1 stop bit |
| Serial Speeds | 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800 bps |
| Audio Formats | MP3 PCM WAV IMA ADPCM |
| MP3 Bitrates | 32 → 320 kbps |
| MP3 Sample Rates | 32, 44.1, 48 KHz |
| Analog Output Load Resistance | 16Ω (minimum) |
| Operating Temperature | -40°C to +85°C |
| Physical Size | 2.5x2 inches (64x51 mm) |
| Power Source | 3.3 → 5 Volts |
| Chipset Available | Yes (2 chips) Controller: 1 x 44 lead TQFP, or 44 pad QFN Decoder: 1 x 48 lead LQFP |