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