+/*\}*/
+
+/**
+ * TWI I/O pins
+ */
+/*\{*/
+#if CPU_CM3_SAM3X
+ #define TWI0_PORT PIOA_BASE
+ #define TWI1_PORT PIOA_BASE
+
+ #define TWI0_PERIPH PIO_PERIPH_A
+ #define TWI1_PERIPH PIO_PERIPH_A
+
+ #define TWI0_TWD 17
+ #define TWI0_TWCK 18
+ #define TWI1_TWD 12
+ #define TWI1_TWCK 13
+#endif
+