Design |
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| status report in host system: |
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| USB_MANUFACTURER_NAME: unicode character string (default “ATMEL”) |
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| USB_PRODUCT_NAME: unicode characters string( “MP3 STORAGE”) |
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| USB_SERIAL_NUMBER: unicode characters string (“4710765066451”) |
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| SBC_VENDOR_ID: 8 ASCII characters string (default “03EBh”, ATMEL VID) |
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| SBC_PRODUCT_ID:16 ASCII characters string (default “2010h”, ATMEL PID) |
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| SBC_REVISION_ID: 4 ASCII characters string (“1.00”) |
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| Default number of USB logical unit s one (= number of drive seen by Windows explorer). |
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| It is necessary to select one memory (NandFlash or MMC/SD card) before entering |
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| mass storage mode. |
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| To have 2 logical unit (= number of drive seen by Windows explorer), please refer to |
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| command SYSTEM_CONFIG. |
4.1.3 | File system | AT83SND2CMP3 supports file system FAT12/16 and FAT32. |
4.1.4 | AT83SND2CMP3 | The SND2_IRQ IO P4_3 is used as an output for interrupt request from |
| IRQ IO | AT83SND2CMP3 to Controller. This IO is cleared when Player status is updated by: |
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| initialization finished (after Reset), |
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| USB connection/detach, |
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| end of MP3 file reached when playing, |
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| Memory format is OK. |
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| FAT install finished and OK. |
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| This IO is set when status is read by any command by the Remote Controller |
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| (SYSTEM_GET_STATUS command for example). |
4.1.5 | Audio Gain | The Audio gain default value are: |
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| MP3 VOLUME LEFT: MP3 digital volume left channel (default value : settings |
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| Medium: 0Fh) |
MP3 VOLUME RIGHT: MP3 digital volume right channel (default value : settings medium: 0Fh)
MP3 BASS (default value : settings medium: 0Fh)
MP3 MEDIUM (default value : settings medium: 0Fh)
MP3 TREBBLE (default value : settings medium: 0Fh)
Line out (default value i: 02h,
Power Amplifier (default value : 07h, +2 dB).
Line in (default value : 08h,
Auxiliary in (default value: 07h,
Dac Master Gain (default value : 0Ch,
All these values can be updated with commands from Remote Controller.
AT83SND2CMP3 User Guide |