Features / Specs
- Model: MP3-TF-16P
- MP3 Chip: AS20HH7161-74 / AS21CN270A.1-74
- Operating Voltage Range: 3.2 – 5VDC
- Supported Sample Rates: 8kHz / 11.025kHz / 12kHz / 16kHz / 22.05kHz / 24kHz / 32kHz / 44.1kHz / 48kHz
- Supported File Systems: FAT16, FAT32
- Supported Memory Card Types: TF Card / U Disk
- Max Memory Card Size: 32GB
- Max Folders and Files: Up to 100 folders with up to 255 sound files in each folder
- Control Modes: I/O Control Mode, AD Button Control Mode, Serial Control Mode
- Other Features: 24-bit DAC Output / 30 level adjustable volume / 6 level adjustable Equalizer
- Audio Amplifier Specs: 4 Ohm Load / Max 3W
- Operating Temperature Range: -40°C to +80°C
- Relative Humidity: 5% to 85%
- Dimensions: ~(20.6mm x 20.2mm x 6mm)
- Header Pin Pitch & Row Spacing: 2.54mm x 17.78mm (Breadboard Compatible)
Pin Description
- VCC-> Supply Voltage (3.2 – 5VDC)
- RX-> UART Serial Input (Default 9600bps)
- TX-> UART Serial Output (Default 9600bps)
- DAC_R-> Audio Output Right Channel (Low power)
- DAC_L-> Audio Output Left Channel (Low power)
- SPK_1-> Speaker Output (Up to 3W)
- GND-> Ground
- SPK_2-> Speaker Output (Up to 3W)
- IO_1-> Trigger Port 1 (Short press play previous, long press to decrease volume)
- GND-> Ground
- IO_2-> Trigger Port 2 (Short press play next, long press to increase volume)
- ADKEY_1-> AD Port 1 (Multi-Function Analog Input 1)
- ADKEY_2-> AD Port 2 (Multi-Function Analog Input 2)
- USB+-> USB Data +
- USB--> USB Data –
- BUSY-> Status (Low means playing, high means the opposite)
