Pin names	Number in sysfs	Name in AT91 datasheet	Function
'0'	69	PB5	digital I/O
'1'	68	PB4	digital I/O
'2'	71	PB7	digital I/O
'3'	70	PB6	digital I/O
'4'	73	PB9	digital I/O
'5'	72	PB8	digital I/O
'6'	75	PB11	digital I/O
'7'	74	PB10	digital I/O
'8'	100	PC4	digital I/O
'9'	101	PC5	digital I/O
'10'	67	PB3	digital I/O
'11'	65	PB1	digital I/O
'12'	64	PB0	digital I/O
'13'	66	PB2	digital I/O
'A0'	96	PC0	analog input
'A1'	97	PC1	analog input
'A2'	98	PC2	analog input
'A3'	99	PC3	analog input
'LED'	107	PC11	digital I/O (hooked to LED on Rascal)