Dedicated Pin 160-Pin PGA 160-Pin PQFP INPUT/GCLK1 M8 139 INPUT/GCLRn N8 141 INPUT/OE1 P8 140 INPUT/OE2/GCLK2 R8 142 TDI P9 146 TMS G15 23 TCK G2 98 TDO R7 135 GND C4, C6, C11, D7, D9, D13, G4, H12, J4, M7, M9, M13, N4, N11 3, 18, 32, 47, 57, 64, 66, 81, 96, 111, 126, 138, 143, 148 VCCINT (5.0 V Only) C7, C9, N7, N9 56, 65, 137, 144 VCCIO (3.3 V or 5.0 V) C5, C10, C12, D3, G12, H4, J12, M3, N5, N12 10, 25, 40, 55, 74, 89, 103, 118, 133, 155 No Connect (N.C.) A1, A2, A14, A15, R1, R2, R14, R15 1, 11, 39,54, 67, 82, 110, 120 Total User I/O Pins 124 124