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| MP3/WMA//etc Player
  controller | ||||||||||||||||
| S/N | Operation Voltage | Flash (K Byte) | RAM (Byte) | GPIO | 16 Bits Timer | Serial Interface | Audio Decode | Audio Eq./Band | Audio Out | H'dphone Amp | Aux. Input | IAP Space (KByte) | Watch Dog Timer | Op Temp | Int. RC | Package Type | 
| 1 | 1.8 & 3.3v | 32 |  | 16 |  |  | MP3 | Equaliser | DAC | Y | 1 ch |  |  | -10 ~ 70 |  | LQFP48 | 
| 2 | 1.8 & 3.3v | 64 |  | 8 |  |  | MP3, WMA | Equaliser | DAC | Y |  |  |  | 0 ~ 70 |  | LQFP100 | 
| 3 | 1.8 & 3.3v | 64 |  | 28 |  |  | MP3, WMA | Equaliser | DAC | Y | 2 ch. |  |  | -20 ~ 70 |  | LQFP100 | 
| 4 | 2.7 ~ 3.6v | 64 |  |  |  | USB, UART | Request Ext'l Decoder |  | DAC |  |  |  |  | -40 to 85 |  | LQFP100 | 
| 5 | 1.8 & 3.3v | 64 |  | 27/29? |  |  | MP3, WMA | Equaliser | DAC |  |  |  |  | -40 ~ 85 |  | LQFP128 | 
| 6 | 3.3v | 8 |  | 5 |  |  | MP3, WMA, WAC, AAC |  | DAC |  |  |  |  | -40 ~ 125 |  | LQFP100 |