Datasheet

SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
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9.4.9 SPI0 and MCI Interface
SPI0 signals and MCI0 signals are multiplexed, as the DataFlash Card is hardware-compatible with the SDCard.
Only one can be used at a time.
9.4.10 Interrupts
Using IRQ0 prevents using the CAN controller.
Using FIQ prevents using DMA Request 2.
9.4.11 Image Sensor Interface
Using ISI in 8-bit data mode prevents using timers TIOA1, TIOB1.
9.4.12 Timers
Using TIOA2 and TIOB2, in this order, prevents using SPI1’s Chip Selects [2–3].