EPM3256A Dedicated Pin-Outs ver. 1.0 Dedicated Pin 144-Pin TQFP 208-Pin PQFP INPUT/GCLK1 INPUT/GCLRn INPUT/OE1 INPUT/OE2/GCLK2 TDI (1) TMS (1) TCK (1) TDO (1) GNDINT GNDIO VCCINT (3.3 V Only) VCCIO (2.5 V or 3.3 V) No Connect (N.C.) 125 127 126 128 4 20 89 104 52, 57, 124, 129 3, 13, 17, 26, 33, 59, 64, 77, 85, 94, 105, 114, 135 51, 58, 123, 130 24, 50, 73, 76, 95, 115, 144 - Total User I/O Pins (2) 116 184 182 183 181 176 127 30 189 75, 82, 180, 185 6, 14, 32, 40, 50, 72, 84, 94, 108, 116, 134, 142, 152, 174, 190, 200 74, 83, 179, 186 5, 23, 41, 63, 85, 107, 125, 143, 165, 191 1, 2, 51, 52, 53, 54, 103, 104, 105, 106, 155, 156, 157, 158, 207, 208 158 Altera Corporation 1 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP A A A A A A A A A A A A A A A A B B B B B B B B B B B B B B B B C C C C C C C C C C C C C C C C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 - - 2 - 1 143 - - - - 142 - 141 140 - 139 - - 10 - 9 - - 8 7 - 6 - 5 - - 4 (1) 36 - 35 - 34 - - 32 31 - 30 - 29 - - 28 153 - 154 - 159 160 - 161 162 - 163 - 164 166 - 167 141 - - - 144 145 - 146 147 - 148 - 149 150 - 151 - - 109 - 110 111 - 112 113 - 114 - 115 117 - 118 Altera Corporation 2 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP D D D D D D D D D D D D D D D D E E E E E E E E E E E E E E E E F F F F F F F F F F F F F F F F 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 44 - 43 - 42 41 - 40 - - 39 - 38 - - 37 - - - - 138 - - 137 136 - 134 - 133 132 - 131 - - 19 - 18 - - 16 15 - 14 - 12 - - 11 92 - 93 - 95 96 - 97 98 - 99 - 100 101 - 102 168 - 169 - 170 171 - 172 173 - 175 - 176 (1) 177 - 178 130 - 131 - 132 133 - 135 136 - 137 - 138 139 - 140 Altera Corporation 3 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP G G G G G G G G G G G G G G G G H H H H H H H H H H H H H H H H I I I I I I I I I I I I I I I I 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 - - 27 - - - - 25 23 - 22 - 21 - - 20 (1) - - 54 - 53 - - 49 48 - 47 - 46 - - 45 - - 116 - 117 - - 118 119 - 120 - 121 - - 122 119 - 120 - 121 122 - 123 124 - 126 - 127 (1) 128 - 129 79 - 80 - 81 - - 86 87 - 88 - 89 90 - 91 197 - 196 - 195 194 - 193 192 - - - 189 (1) 188 - 187 Altera Corporation 4 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP J J J J J J J J J J J J J J J J K K K K K K K K K K K K K K K K L L L L L L L L L L L L L L L L 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 - - 90 - 91 - - 92 93 - - - 96 - - 97 - - 82 - 83 - - 84 86 - 87 - 88 - - 89 (1) - - 55 - 56 - - 60 61 - 62 - 63 - - 65 27 - 26 - 25 24 - 22 21 - 20 - 19 18 - 17 38 - 37 - 36 35 - 34 33 - 31 - 30 (1) 29 - 28 78 - 77 - 76 73 - 71 70 - 69 - 68 67 - 66 Altera Corporation 5 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP M M M M M M M M M M M M M M M M N N N N N N N N N N N N N N N N O O O O O O O O O O O O O O O O 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 106 - 107 - 108 - - 109 110 - 111 - - 112 - 113 - - 98 - 99 - - 100 101 - 102 - 103 - - 104 (1) - - 74 - 75 - - - 78 - 79 - 80 - - 81 4 - 3 - 206 205 - 204 203 - 202 - 201 199 - 198 16 - 15 - 13 12 - 11 10 - 9 - 8 7 - - 49 - 48 - 47 46 - 45 44 - 43 - 42 - - 39 Altera Corporation 6 EPM3256A I/O Pin-Outs ver. 1.0 LAB MC 144-Pin TQFP 208-Pin PQFP P P P P P P P P P P P P P P P P 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 66 - 67 - 68 69 - - 70 - - - 71 - - 72 65 - 64 - 62 61 - 60 59 - 58 - 57 56 - 55 Altera Corporation 7 EPM3256A Pin Tables ver. 1.0 Notes: (1) This pin may function as either a JTAG port or a user I/O pin. When the device is configured to use the JTAG ports for insystem programming, this pin is not available as a user I/O pin. (2) The user I/O pin count includes dedicated input pins and all I/O pins. Altera Corporation 8 Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001 Altera Corporation, 101 Innovation Drive, San Jose, CA 95134, USA, all rights reserved. By accessing this information, you agree to be bound by the terms of Altera's Legal Notice. 13 Development Tools