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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AT83SND2CMP3B Fiches technique(PDF) 68 Page - ATMEL Corporation |
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AT83SND2CMP3B Fiches technique(HTML) 68 Page - ATMEL Corporation |
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68 / 241 page  68 4341F–MP3–03/06 AT8xC51SND2C/MP3B 13.6.2 Management Reading the MP3STA register automatically clears the interrupt flags (acknowledgment) except the MPANC flags. This implies that register content must be saved and tested, interrupt flag by interrupt flag to be sure not to forget any interrupts. Figure 13-6. MP3 Interrupt Service Routine Flow Note: 1. Test these bits only if needed (unmasked interrupt). Data Request? MPFREQ = 1? Layer Error Handler CRC Error Handler Data Request Handler Ancillary Data Handler Synchro Error Handler MP3 Decoder ISR Read MP3STA Write MP3 Data to MP3DAT Read ANN2:0 Ancillary Bytes From MP3ANC Reload MP3 Frame Through MP3DAT Load New MP3 Frame Through MP3DAT Ancillary Data? (1) MPANC = 1? Sync Error?(1) ERRSYN = 1? Layer Error? (1) ERRSYN = 1? |
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