AT91SAM9261S-CJ ATMEL [ATMEL Corporation], AT91SAM9261S-CJ Datasheet - Page 27
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AT91SAM9261S-CJ
Manufacturer Part Number
AT91SAM9261S-CJ
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM9261S-CJ.pdf
(39 pages)
- Current page: 27 of 39
- Download datasheet (716Kb)
10.3.1.6
10.3.1.7
10.3.1.8
10.3.1.9
6242DS–ATARM–06-Jan-09
SPI0 and the MultiMedia Card Interface
USARTs
Clock Outputs
Interrupt Lines
As the DataFlash Card is compatible with the SDCard, it is useful to multiplex SPI and MCI.
Here, the SPI0 signal is multiplexed with the MCI.
• Using USART0 with its control signals prevents using some clock outputs and interrupt lines.
• Using the clock outputs multiplexed with the PIO A prevents using the Debug Unit and/or the
• Alternatively, using the second implementation of the clock outputs prevents using the LCD
• Using FIQ prevents using the USART0 control signals.
• Using IRQ0 prevents using the NWAIT EBI signal.
• Using the IRQ1 and/or IRQ2 prevents using the SPI1.
Two Wire Interface.
Controller Interface and/or USART0.
AT91SAM9261S
27
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