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Board Description
3-6
AT91SAM9RL-EK Evaluation Board User Guide
6325A–ATARM–08-Jan-08
3.13
Expansion Slot
One DataFlash, SD/MMC card slot
All I/Os of the AT91SAM9RL are routed to peripheral extension connectors (J23, J24, J25, J26).
All EBI Signals of the AT91SAM9RL are routed to extension footprint connectors (J27). Refer to the
Atmel application note
Connecting EBI Memory Daughter Boards to AT91SAM Evaluation Boards, lit.
.
This allows the developer to check the integrity of the components and to extend the features of the
board by adding external hardware components or boards.