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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AT91SAM7S64 데이터시트(PDF) 32 Page - ATMEL Corporation |
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AT91SAM7S64 데이터시트(HTML) 32 Page - ATMEL Corporation |
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32 / 42 page  32 6175BS–ATARM–04-Nov-05 AT91SAM7S Series Summary 11.2 Peripheral Multiplexing on PIO Lines The AT91SAM7S Series features one PIO controller, PIOA, that multiplexes the I/O lines of the peripheral set. PIO Controller A controls 32 lines (21 lines for AT91SAM7S32). Each line can be assigned to one of two peripheral functions, A or B. Some of them can also be multiplexed with the analog inputs of the ADC Controller. Table 11-1 on page 33 defines how the I/O lines of the peripherals A, B or the analog inputs are multiplexed on the PIO Controller A. The two columns “Function” and “Comments” have been inserted for the user’s own comments; they may be used to track how pins are defined in an application. Note that some peripheral functions that are output only may be duplicated in the table. All pins reset in their Parallel I/O lines function are configured in input with the programmable pull-up enabled, so that the device is maintained in a static state as soon as a reset is detected. |
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