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AT83SND1CXXX-ROTIL Scheda tecnica(PDF) 123 Page - ATMEL Corporation

Il numero della parte AT83SND1CXXX-ROTIL
Spiegazioni elettronici  Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
PDF  212 Pages
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Produttore elettronici  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT83SND1CXXX-ROTIL Scheda tecnica(HTML) 123 Page - ATMEL Corporation

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4109J–8051–10/06
AT8xC51SND1C
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 15-20. MMC Controller Interrupt System
15.8
Registers
Table 102. MMCON0 Register
MMCON0 (S:E4h) – MMC Control Register 0
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
7654
3210
DRPTR
DTPTR
CRPTR
CTPTR
MBLOCK
DFMT
RFMT
CRCDIS
Bit
Number
Bit
Mnemonic
Description
7DRPTR
Data Receive Pointer Reset Bit
Set to reset the read pointer of the data FIFO.
Clear to release the read pointer of the data FIFO.



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