Atmel SAM L21 Xplained Pro, Manual

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© 2015
Atmel Corporation
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Glue logic for general purpose PCB design
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Up to four programmable three input Look Up Table units (LUT)
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Combinatorial Logic Functions
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AND, NAND, OR, NOR, XOR, XNOR, NOT
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Sequential Logic Functions
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Gated D Flip-Flop, JK Flip-Flop, gated D Latch, RS Latch
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Flexible LookUp Table Inputs Selection
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I/Os
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Events
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Internal Peripherals
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Subsequent LUT Output
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Output can be connected to IO pins or Event System
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Optional synchronizer, filter or edge detector available on each LUT
output
New Peripherals
Configurable Custom Logic (CCL)