Dedicated Pin	144-Pin TQFP	208-Pin PQFP	256-Pin FineLine BGA
INPUT/GCLK1	125	184	D9
INPUT/GCLRn	127	182	E8
INPUT/OE1	126	183	E9
INPUT/OE2/GCLK2	128	181	D8
TDI 	4	176	D4
TMS 	20	127	J6
TCK 	89	30	J11
TDO 	104	189	D13
GNDINT 	52, 57, 124, 129	75, 82, 180, 185	A8, C9, G9, K8, P9
GNDIO	3, 13, 17, 26, 33, 59, 64, 77, 85, 94, 105, 114, 135	6, 14, 32, 40, 50, 72, 84, 94, 108, 116, 134, 142, 152, 174, 190, 200	A3, B10, C2, D14, E14, F6, G10, H8, J9, K7, L11, M3, M14, P3, P6, P10, R2, R3, T1, T8, T15
VCCINT (3.3 V Only)	51, 58, 123, 130	74, 83, 179, 186	B9, C8, G8, K9, P8
VCCIO (2.5 V or 3.3 V)	24, 50, 73, 76, 95, 115, 144	5, 23, 41, 63, 85, 107, 125, 143, 165, 191	B3, B5, C14, E15, F11, G3, G7, G15, H9, J8, K10, L3, L6, M15, P14, T2, T3
No Connect (N.C.)	–	1, 2, 51, 52, 53, 54, 103, 104, 105, 106, 155, 156, 157, 158, 207, 208	A1, A2, A6, A12, A13, A14, A15, A16, B1, B2, B15, B16, C1, C15, C16, D1, D3, D15, D16, G1, G16, H15, H16, J1, K1, L1, L2, M1, M16, 
N1, N2, N14, N15, N16, P1, P2, P15, P16, R1, R14, R15, R16, T7, T10, T11, T14, T16
Total User I/O Pins (2)	116	158	161