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AT83SND2CMP3B Datasheet(PDF) 149 Page - ATMEL Corporation

Part # AT83SND2CMP3B
Description  Single-Chip Flash Microcontroller with MP3 Decoder with Full Audio Interface
PDF  241 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND2CMP3B Datasheet(HTML) 149 Page - ATMEL Corporation

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4341F–MP3–03/06
AT8xC51SND2C/MP3B
The interrupt request is generated each time an unmasked flag is set, and the global MMC con-
troller interrupt enable bit is set (EMMC in IEN1 register).
Reading the MMINT register automatically clears the interrupt flags (acknowledgment). This
implies that register content must be saved and tested interrupt flag by interrupt flag to be sure
not to forget any interrupts.
Figure 18-20.
MMC Controller Interrupt System
MMC Interface
Interrupt Request
MCBI
MMINT.7
EOCM
MMMSK.5
EMMC
IEN1.0
MCBM
MMMSK.7
EORM
MMMSK.6
EOFI
MMINT.4
F2FM
MMMSK.3
EOFM
MMMSK.4
EORI
MMINT.6
F2FI
MMINT.3
EOCI
MMINT.5
F2EM
MMMSK.1
F1FM
MMMSK.2
F1EI
MMINT.0
F1EM
MMMSK.0
F1FI
MMINT.2
F2EI
MMINT.1



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