Dedicated Pin	84-Pin PLCC	100-Pin PQFP	100-Pin TQFP	160-Pin PQFP
INPUT/GCLK1	83	89	87	139
INPUT/GCLRn	1	91	89	141
INPUT/OE1	84	90	88	140
INPUT/OE2/GCLK2	2	92	90	142
TDI	14	6	4	9
TMS	23	17	15	22
TCK	62	64	62	99
TDO	71	75	73	112
GNDINT	42, 82	40, 88	38, 86	60, 138
GNDIO	7, 19, 32,47, 59, 72	13, 28, 45, 61, 76, 97	11, 26, 43, 59, 74, 95	17, 42, 66, 95, 113, 148
VCCINT (5.0 V only)	3, 43	41, 93	39, 91	61, 143
VCCIO (3.3 V or 5.0 V)	13, 26, 38, 53, 66, 78	5, 20, 36, 53, 68, 84	3, 18, 34, 51, 66, 82	8, 26, 55, 79, 104, 133
No Connect (N.C.)	-	-	-	1, 2, 3, 4, 5, 6, 7, 34, 35, 36, 37, 38, 39, 40, 44, 45, 46, 47, 74, 75, 76, 77, 81, 82, 83, 84, 85, 86, 87, 114, 115, 116, 117, 118, 119, 120, 124, 125, 126, 127, 154, 155, 156, 157
Total User I/O Pins	68	84	84	100