paul@0 | 1 | EESchema Schematic File Version 4 |
paul@0 | 2 | LIBS:AcornElectronMainboard-cache |
paul@0 | 3 | EELAYER 26 0 |
paul@0 | 4 | EELAYER END |
paul@0 | 5 | $Descr A4 8268 11693 portrait |
paul@0 | 6 | encoding utf-8 |
paul@21 | 7 | Sheet 1 10 |
paul@0 | 8 | Title "Acorn Electron Mainboard" |
paul@0 | 9 | Date "" |
paul@0 | 10 | Rev "" |
paul@0 | 11 | Comp "" |
paul@0 | 12 | Comment1 "" |
paul@0 | 13 | Comment2 "" |
paul@0 | 14 | Comment3 "" |
paul@0 | 15 | Comment4 "" |
paul@0 | 16 | $EndDescr |
paul@0 | 17 | $Comp |
paul@0 | 18 | L AcornElectron:ULA12C021 IC1 |
paul@0 | 19 | U 1 1 61CC86CA |
paul@0 | 20 | P 4300 4100 |
paul@0 | 21 | F 0 "IC1" H 4300 6750 50 0000 C CNN |
paul@0 | 22 | F 1 "ULA12C021" H 4300 6650 50 0000 C CNN |
paul@0 | 23 | F 2 "" H 4300 4100 50 0001 C CNN |
paul@0 | 24 | F 3 "" H 4300 4100 50 0001 C CNN |
paul@0 | 25 | 1 4300 4100 |
paul@0 | 26 | 1 0 0 -1 |
paul@0 | 27 | $EndComp |
paul@0 | 28 | Text Label 2900 3900 2 50 ~ 0 |
paul@0 | 29 | A0 |
paul@0 | 30 | Text Label 2900 4300 2 50 ~ 0 |
paul@0 | 31 | A4 |
paul@0 | 32 | Text Label 2900 4400 2 50 ~ 0 |
paul@0 | 33 | A5 |
paul@0 | 34 | Text Label 2900 4500 2 50 ~ 0 |
paul@0 | 35 | A6 |
paul@0 | 36 | Text Label 2900 4600 2 50 ~ 0 |
paul@0 | 37 | A7 |
paul@0 | 38 | Text Label 2900 4700 2 50 ~ 0 |
paul@0 | 39 | A8 |
paul@0 | 40 | Text Label 2900 4800 2 50 ~ 0 |
paul@0 | 41 | A9 |
paul@0 | 42 | Text Label 2900 4900 2 50 ~ 0 |
paul@0 | 43 | A10 |
paul@0 | 44 | Text Label 2900 5000 2 50 ~ 0 |
paul@0 | 45 | A11 |
paul@0 | 46 | Text Label 2900 5100 2 50 ~ 0 |
paul@0 | 47 | A12 |
paul@0 | 48 | Text Label 2900 5200 2 50 ~ 0 |
paul@0 | 49 | A13 |
paul@0 | 50 | Text Label 2900 5300 2 50 ~ 0 |
paul@0 | 51 | A14 |
paul@0 | 52 | Text Label 2900 4000 2 50 ~ 0 |
paul@0 | 53 | A1 |
paul@0 | 54 | Text Label 2900 4100 2 50 ~ 0 |
paul@0 | 55 | A2 |
paul@0 | 56 | Text Label 2900 4200 2 50 ~ 0 |
paul@0 | 57 | A3 |
paul@0 | 58 | Text Label 2900 5400 2 50 ~ 0 |
paul@0 | 59 | A15 |
paul@0 | 60 | Wire Bus Line |
paul@6 | 61 | 1700 3800 2100 3800 |
paul@0 | 62 | Entry Wire Line |
paul@0 | 63 | 2100 3800 2200 3900 |
paul@0 | 64 | Entry Wire Line |
paul@0 | 65 | 2100 4000 2200 4100 |
paul@0 | 66 | Entry Wire Line |
paul@0 | 67 | 2100 4100 2200 4200 |
paul@0 | 68 | Entry Wire Line |
paul@0 | 69 | 2100 4200 2200 4300 |
paul@0 | 70 | Entry Wire Line |
paul@0 | 71 | 2100 4300 2200 4400 |
paul@0 | 72 | Entry Wire Line |
paul@0 | 73 | 2100 4400 2200 4500 |
paul@0 | 74 | Entry Wire Line |
paul@0 | 75 | 2100 4500 2200 4600 |
paul@0 | 76 | Entry Wire Line |
paul@0 | 77 | 2100 4600 2200 4700 |
paul@0 | 78 | Entry Wire Line |
paul@0 | 79 | 2100 4700 2200 4800 |
paul@0 | 80 | Entry Wire Line |
paul@0 | 81 | 2100 4800 2200 4900 |
paul@0 | 82 | Entry Wire Line |
paul@0 | 83 | 2100 4900 2200 5000 |
paul@0 | 84 | Entry Wire Line |
paul@0 | 85 | 2100 5000 2200 5100 |
paul@0 | 86 | Entry Wire Line |
paul@0 | 87 | 2100 5100 2200 5200 |
paul@0 | 88 | Entry Wire Line |
paul@0 | 89 | 2100 5200 2200 5300 |
paul@0 | 90 | Entry Wire Line |
paul@0 | 91 | 2100 5300 2200 5400 |
paul@0 | 92 | Entry Wire Line |
paul@0 | 93 | 2100 3900 2200 4000 |
paul@0 | 94 | Wire Wire Line |
paul@0 | 95 | 2200 3900 2900 3900 |
paul@0 | 96 | Wire Wire Line |
paul@0 | 97 | 2200 4000 2900 4000 |
paul@0 | 98 | Wire Wire Line |
paul@0 | 99 | 2200 4100 2900 4100 |
paul@0 | 100 | Wire Wire Line |
paul@0 | 101 | 2200 4200 2900 4200 |
paul@0 | 102 | Wire Wire Line |
paul@0 | 103 | 2200 4300 2900 4300 |
paul@0 | 104 | Wire Wire Line |
paul@0 | 105 | 2200 4400 2900 4400 |
paul@0 | 106 | Wire Wire Line |
paul@0 | 107 | 2200 4500 2900 4500 |
paul@0 | 108 | Wire Wire Line |
paul@0 | 109 | 2200 4600 2900 4600 |
paul@0 | 110 | Wire Wire Line |
paul@0 | 111 | 2200 4700 2900 4700 |
paul@0 | 112 | Wire Wire Line |
paul@0 | 113 | 2200 4800 2900 4800 |
paul@0 | 114 | Wire Wire Line |
paul@0 | 115 | 2200 4900 2900 4900 |
paul@0 | 116 | Wire Wire Line |
paul@0 | 117 | 2200 5000 2900 5000 |
paul@0 | 118 | Wire Wire Line |
paul@0 | 119 | 2200 5100 2900 5100 |
paul@0 | 120 | Wire Wire Line |
paul@0 | 121 | 2200 5200 2900 5200 |
paul@0 | 122 | Wire Wire Line |
paul@0 | 123 | 2200 5300 2900 5300 |
paul@0 | 124 | Entry Wire Line |
paul@0 | 125 | 2100 2300 2200 2400 |
paul@0 | 126 | Entry Wire Line |
paul@0 | 127 | 2100 2400 2200 2500 |
paul@0 | 128 | Entry Wire Line |
paul@0 | 129 | 2100 2500 2200 2600 |
paul@0 | 130 | Entry Wire Line |
paul@0 | 131 | 2100 2600 2200 2700 |
paul@0 | 132 | Entry Wire Line |
paul@0 | 133 | 2100 2700 2200 2800 |
paul@0 | 134 | Entry Wire Line |
paul@0 | 135 | 2100 2800 2200 2900 |
paul@0 | 136 | Entry Wire Line |
paul@0 | 137 | 2100 2900 2200 3000 |
paul@0 | 138 | Entry Wire Line |
paul@0 | 139 | 2100 3000 2200 3100 |
paul@0 | 140 | Wire Wire Line |
paul@0 | 141 | 2200 2400 2900 2400 |
paul@0 | 142 | Wire Wire Line |
paul@0 | 143 | 2200 2500 2900 2500 |
paul@0 | 144 | Wire Wire Line |
paul@0 | 145 | 2200 2600 2900 2600 |
paul@0 | 146 | Wire Wire Line |
paul@0 | 147 | 2200 2700 2900 2700 |
paul@0 | 148 | Wire Wire Line |
paul@0 | 149 | 2200 2800 2900 2800 |
paul@0 | 150 | Wire Wire Line |
paul@0 | 151 | 2200 2900 2900 2900 |
paul@0 | 152 | Wire Wire Line |
paul@0 | 153 | 2200 3000 2900 3000 |
paul@0 | 154 | Wire Wire Line |
paul@0 | 155 | 2200 3100 2900 3100 |
paul@0 | 156 | Text Label 2900 2400 2 50 ~ 0 |
paul@6 | 157 | RA0 |
paul@0 | 158 | Text Label 2900 2500 2 50 ~ 0 |
paul@6 | 159 | RA1 |
paul@0 | 160 | Text Label 2900 2600 2 50 ~ 0 |
paul@6 | 161 | RA2 |
paul@0 | 162 | Text Label 2900 2700 2 50 ~ 0 |
paul@6 | 163 | RA3 |
paul@0 | 164 | Text Label 2900 2800 2 50 ~ 0 |
paul@6 | 165 | RA4 |
paul@0 | 166 | Text Label 2900 2900 2 50 ~ 0 |
paul@6 | 167 | RA5 |
paul@0 | 168 | Text Label 2900 3000 2 50 ~ 0 |
paul@6 | 169 | RA6 |
paul@0 | 170 | Text Label 2900 3100 2 50 ~ 0 |
paul@6 | 171 | RA7 |
paul@0 | 172 | Wire Wire Line |
paul@6 | 173 | 2300 2100 2900 2100 |
paul@0 | 174 | Wire Wire Line |
paul@6 | 175 | 2500 2200 2900 2200 |
paul@0 | 176 | Text Label 2900 2100 2 50 ~ 0 |
paul@0 | 177 | ~WE |
paul@0 | 178 | Text Label 2900 2200 2 50 ~ 0 |
paul@0 | 179 | ~RAS |
paul@0 | 180 | Text Label 2900 2300 2 50 ~ 0 |
paul@0 | 181 | ~CAS |
paul@0 | 182 | Wire Wire Line |
paul@0 | 183 | 2200 2000 2900 2000 |
paul@0 | 184 | Wire Wire Line |
paul@0 | 185 | 2900 1900 2200 1900 |
paul@0 | 186 | Wire Wire Line |
paul@0 | 187 | 2900 1800 2200 1800 |
paul@0 | 188 | Wire Wire Line |
paul@0 | 189 | 2900 1700 2200 1700 |
paul@0 | 190 | Entry Wire Line |
paul@0 | 191 | 2100 1600 2200 1700 |
paul@0 | 192 | Entry Wire Line |
paul@0 | 193 | 2100 1700 2200 1800 |
paul@0 | 194 | Entry Wire Line |
paul@0 | 195 | 2100 1800 2200 1900 |
paul@0 | 196 | Entry Wire Line |
paul@0 | 197 | 2100 1900 2200 2000 |
paul@0 | 198 | Text Label 2900 1700 2 50 ~ 0 |
paul@0 | 199 | RAM0 |
paul@0 | 200 | Text Label 2900 1800 2 50 ~ 0 |
paul@0 | 201 | RAM1 |
paul@0 | 202 | Text Label 2900 1900 2 50 ~ 0 |
paul@0 | 203 | RAM2 |
paul@0 | 204 | Text Label 2900 2000 2 50 ~ 0 |
paul@0 | 205 | RAM3 |
paul@0 | 206 | Text Label 2900 5500 2 50 ~ 0 |
paul@0 | 207 | D0 |
paul@0 | 208 | Text Label 2900 5600 2 50 ~ 0 |
paul@0 | 209 | D1 |
paul@0 | 210 | Text Label 2900 5700 2 50 ~ 0 |
paul@0 | 211 | D2 |
paul@0 | 212 | Text Label 2900 5800 2 50 ~ 0 |
paul@0 | 213 | D3 |
paul@0 | 214 | Text Label 2900 5900 2 50 ~ 0 |
paul@0 | 215 | D4 |
paul@0 | 216 | Text Label 2900 6000 2 50 ~ 0 |
paul@0 | 217 | D5 |
paul@0 | 218 | Text Label 2900 6100 2 50 ~ 0 |
paul@0 | 219 | D6 |
paul@0 | 220 | Text Label 2900 6200 2 50 ~ 0 |
paul@0 | 221 | D7 |
paul@0 | 222 | Wire Wire Line |
paul@0 | 223 | 2900 3800 2300 3800 |
paul@0 | 224 | Wire Wire Line |
paul@0 | 225 | 2300 3800 2300 3700 |
paul@0 | 226 | Entry Wire Line |
paul@0 | 227 | 2100 3100 2200 3200 |
paul@0 | 228 | Entry Wire Line |
paul@0 | 229 | 2100 3200 2200 3300 |
paul@0 | 230 | Entry Wire Line |
paul@0 | 231 | 2100 3300 2200 3400 |
paul@0 | 232 | Entry Wire Line |
paul@0 | 233 | 2100 3400 2200 3500 |
paul@0 | 234 | Wire Wire Line |
paul@0 | 235 | 2200 3200 2900 3200 |
paul@0 | 236 | Wire Wire Line |
paul@0 | 237 | 2200 3300 2900 3300 |
paul@0 | 238 | Wire Wire Line |
paul@0 | 239 | 2200 3400 2900 3400 |
paul@0 | 240 | Wire Wire Line |
paul@0 | 241 | 2200 3500 2900 3500 |
paul@0 | 242 | Text GLabel 3800 7100 3 50 Input ~ 0 |
paul@0 | 243 | 0V |
paul@0 | 244 | Wire Wire Line |
paul@0 | 245 | 3800 7100 3800 6900 |
paul@0 | 246 | Wire Wire Line |
paul@0 | 247 | 3800 6900 4000 6900 |
paul@0 | 248 | Wire Wire Line |
paul@0 | 249 | 4000 6900 4000 6750 |
paul@0 | 250 | Connection ~ 3800 6900 |
paul@0 | 251 | Wire Wire Line |
paul@0 | 252 | 3800 6900 3800 6750 |
paul@6 | 253 | Text GLabel 3600 700 1 50 Input ~ 0 |
paul@0 | 254 | 5V |
paul@0 | 255 | Wire Wire Line |
paul@6 | 256 | 3600 700 3600 800 |
paul@0 | 257 | $Comp |
paul@0 | 258 | L Device:R R5 |
paul@0 | 259 | U 1 1 61F10DD6 |
paul@6 | 260 | P 3800 1050 |
paul@6 | 261 | F 0 "R5" H 3650 1100 50 0000 L CNN |
paul@6 | 262 | F 1 "24R" H 3750 1000 50 0000 R CNN |
paul@6 | 263 | F 2 "" V 3730 1050 50 0001 C CNN |
paul@6 | 264 | F 3 "~" H 3800 1050 50 0001 C CNN |
paul@6 | 265 | 1 3800 1050 |
paul@0 | 266 | 1 0 0 -1 |
paul@0 | 267 | $EndComp |
paul@0 | 268 | $Comp |
paul@0 | 269 | L Device:R R58 |
paul@0 | 270 | U 1 1 61F10E39 |
paul@6 | 271 | P 4000 1050 |
paul@6 | 272 | F 0 "R58" H 4050 1100 50 0000 L CNN |
paul@6 | 273 | F 1 "24R" H 4050 1000 50 0000 L CNN |
paul@6 | 274 | F 2 "" V 3930 1050 50 0001 C CNN |
paul@6 | 275 | F 3 "~" H 4000 1050 50 0001 C CNN |
paul@6 | 276 | 1 4000 1050 |
paul@0 | 277 | 1 0 0 -1 |
paul@0 | 278 | $EndComp |
paul@0 | 279 | Wire Wire Line |
paul@6 | 280 | 3800 1550 3800 1350 |
paul@0 | 281 | Wire Wire Line |
paul@6 | 282 | 3800 900 3800 800 |
paul@0 | 283 | Wire Wire Line |
paul@6 | 284 | 3800 800 3600 800 |
paul@6 | 285 | Connection ~ 3600 800 |
paul@0 | 286 | Wire Wire Line |
paul@6 | 287 | 3600 800 3600 1550 |
paul@0 | 288 | Wire Wire Line |
paul@6 | 289 | 4000 800 3800 800 |
paul@6 | 290 | Connection ~ 3800 800 |
paul@0 | 291 | $Comp |
paul@0 | 292 | L Device:C C27 |
paul@0 | 293 | U 1 1 61FBBBB4 |
paul@0 | 294 | P 3350 1250 |
paul@0 | 295 | F 0 "C27" H 3250 1300 50 0000 R CNN |
paul@11 | 296 | F 1 "10??F/TANT" H 3250 1200 38 0000 R CNN |
paul@0 | 297 | F 2 "" H 3388 1100 50 0001 C CNN |
paul@0 | 298 | F 3 "~" H 3350 1250 50 0001 C CNN |
paul@0 | 299 | 1 3350 1250 |
paul@0 | 300 | 1 0 0 -1 |
paul@0 | 301 | $EndComp |
paul@0 | 302 | Wire Wire Line |
paul@6 | 303 | 3600 800 3350 800 |
paul@0 | 304 | Wire Wire Line |
paul@6 | 305 | 3350 800 3350 1100 |
paul@0 | 306 | Text GLabel 3250 1500 0 50 Input ~ 0 |
paul@0 | 307 | 0V |
paul@0 | 308 | Wire Wire Line |
paul@0 | 309 | 3250 1500 3350 1500 |
paul@0 | 310 | Wire Wire Line |
paul@0 | 311 | 3350 1500 3350 1400 |
paul@0 | 312 | Wire Wire Line |
paul@0 | 313 | 3600 6750 3600 7400 |
paul@0 | 314 | Wire Wire Line |
paul@0 | 315 | 3600 7400 3500 7400 |
paul@0 | 316 | Wire Wire Line |
paul@0 | 317 | 4600 7600 4600 6750 |
paul@0 | 318 | $Sheet |
paul@21 | 319 | S 2800 8300 700 300 |
paul@0 | 320 | U 61DF4BC2 |
paul@0 | 321 | F0 "Clocks" 50 |
paul@0 | 322 | F1 "clocks.sch" 50 |
paul@0 | 323 | $EndSheet |
paul@0 | 324 | Text GLabel 3500 7600 0 50 Input ~ 0 |
paul@0 | 325 | CLOCK_16MHz |
paul@0 | 326 | Text GLabel 3500 7400 0 50 Input ~ 0 |
paul@0 | 327 | CLOCK_16MHz_DIV_13 |
paul@0 | 328 | $Sheet |
paul@21 | 329 | S 1200 900 700 300 |
paul@0 | 330 | U 61D7EEE8 |
paul@0 | 331 | F0 "RAM" 50 |
paul@0 | 332 | F1 "RAM.sch" 50 |
paul@0 | 333 | $EndSheet |
paul@0 | 334 | Wire Bus Line |
paul@6 | 335 | 2100 2300 1700 2300 |
paul@6 | 336 | Text GLabel 1700 1600 0 50 BiDi ~ 0 |
paul@6 | 337 | RAM[0..3] |
paul@6 | 338 | Text GLabel 1700 2300 0 50 Output ~ 0 |
paul@6 | 339 | RA[0..7] |
paul@0 | 340 | $Sheet |
paul@21 | 341 | S 6700 900 700 300 |
paul@0 | 342 | U 624B50A6 |
paul@0 | 343 | F0 "Cassette" 50 |
paul@0 | 344 | F1 "cassette.sch" 50 |
paul@0 | 345 | $EndSheet |
paul@0 | 346 | Text GLabel 5800 3600 2 50 Input ~ 0 |
paul@0 | 347 | CASSETTE_INPUT |
paul@0 | 348 | Wire Wire Line |
paul@0 | 349 | 5600 3600 5800 3600 |
paul@0 | 350 | Text GLabel 5800 1800 2 50 Output ~ 0 |
paul@0 | 351 | CASSETTE_OUTPUT |
paul@0 | 352 | Wire Wire Line |
paul@0 | 353 | 5600 1800 5800 1800 |
paul@0 | 354 | $Sheet |
paul@21 | 355 | S 6700 4200 700 300 |
paul@0 | 356 | U 61E9B87F |
paul@0 | 357 | F0 "Sound" 50 |
paul@0 | 358 | F1 "sound.sch" 50 |
paul@0 | 359 | $EndSheet |
paul@0 | 360 | Text GLabel 5800 4700 2 50 Output ~ 0 |
paul@0 | 361 | SOUND_OUTPUT |
paul@0 | 362 | Wire Wire Line |
paul@0 | 363 | 5600 4700 5800 4700 |
paul@0 | 364 | Wire Wire Line |
paul@0 | 365 | 3500 7600 4600 7600 |
paul@0 | 366 | Text GLabel 1700 6400 0 50 Output ~ 0 |
paul@0 | 367 | PHI_OUT |
paul@0 | 368 | $Sheet |
paul@21 | 369 | S 2800 8900 700 300 |
paul@0 | 370 | U 61FB7D7E |
paul@0 | 371 | F0 "Expansion" 50 |
paul@0 | 372 | F1 "expansion.sch" 50 |
paul@0 | 373 | $EndSheet |
paul@6 | 374 | Text GLabel 1700 5400 0 50 BiDi ~ 0 |
paul@6 | 375 | D[0..7] |
paul@0 | 376 | Wire Bus Line |
paul@6 | 377 | 1700 5400 2100 5400 |
paul@6 | 378 | Text GLabel 1700 3800 0 50 Input ~ 0 |
paul@6 | 379 | A[0..15] |
paul@0 | 380 | Text GLabel 1700 6600 0 50 Input ~ 0 |
paul@0 | 381 | RnW |
paul@0 | 382 | Text GLabel 2000 6500 0 50 Output ~ 0 |
paul@0 | 383 | ~IRQ |
paul@0 | 384 | Text GLabel 2000 6300 0 50 Input ~ 0 |
paul@0 | 385 | ~NMI |
paul@0 | 386 | Text GLabel 2700 3700 0 50 Input ~ 0 |
paul@0 | 387 | ~RST |
paul@0 | 388 | $Sheet |
paul@21 | 389 | S 1300 8300 700 300 |
paul@0 | 390 | U 61F2273C |
paul@0 | 391 | F0 "CPU, ROM, keyboard" 50 |
paul@0 | 392 | F1 "CPU_ROM_KBD.sch" 50 |
paul@0 | 393 | $EndSheet |
paul@6 | 394 | Text GLabel 1700 3100 0 50 Input ~ 0 |
paul@6 | 395 | KBD[0..3] |
paul@0 | 396 | Wire Bus Line |
paul@6 | 397 | 1700 3100 2100 3100 |
paul@0 | 398 | Wire Wire Line |
paul@0 | 399 | 2700 3700 2900 3700 |
paul@0 | 400 | Entry Wire Line |
paul@0 | 401 | 2100 5400 2200 5500 |
paul@0 | 402 | Entry Wire Line |
paul@0 | 403 | 2100 5500 2200 5600 |
paul@0 | 404 | Entry Wire Line |
paul@0 | 405 | 2100 5600 2200 5700 |
paul@0 | 406 | Entry Wire Line |
paul@0 | 407 | 2100 5700 2200 5800 |
paul@0 | 408 | Entry Wire Line |
paul@0 | 409 | 2100 5800 2200 5900 |
paul@0 | 410 | Entry Wire Line |
paul@0 | 411 | 2100 5900 2200 6000 |
paul@0 | 412 | Entry Wire Line |
paul@0 | 413 | 2100 6000 2200 6100 |
paul@0 | 414 | Entry Wire Line |
paul@0 | 415 | 2100 6100 2200 6200 |
paul@0 | 416 | Wire Wire Line |
paul@0 | 417 | 2200 5500 2900 5500 |
paul@0 | 418 | Wire Wire Line |
paul@0 | 419 | 2200 5600 2900 5600 |
paul@0 | 420 | Wire Wire Line |
paul@0 | 421 | 2200 5700 2900 5700 |
paul@0 | 422 | Wire Wire Line |
paul@0 | 423 | 2200 5800 2900 5800 |
paul@0 | 424 | Wire Wire Line |
paul@0 | 425 | 2200 5900 2900 5900 |
paul@0 | 426 | Wire Wire Line |
paul@0 | 427 | 2200 6000 2900 6000 |
paul@0 | 428 | Wire Wire Line |
paul@0 | 429 | 2200 6100 2900 6100 |
paul@0 | 430 | Wire Wire Line |
paul@0 | 431 | 2200 6200 2900 6200 |
paul@6 | 432 | Text GLabel 1700 3600 0 50 Input ~ 0 |
paul@0 | 433 | CAPS_LOCK |
paul@0 | 434 | Wire Wire Line |
paul@0 | 435 | 2200 5400 2900 5400 |
paul@6 | 436 | Text GLabel 1000 3700 0 50 Output ~ 0 |
paul@0 | 437 | ROM |
paul@0 | 438 | Wire Wire Line |
paul@6 | 439 | 1700 3600 2900 3600 |
paul@0 | 440 | Wire Wire Line |
paul@6 | 441 | 2300 3700 1000 3700 |
paul@0 | 442 | Wire Wire Line |
paul@0 | 443 | 2000 6300 2900 6300 |
paul@0 | 444 | Wire Wire Line |
paul@0 | 445 | 2000 6500 2900 6500 |
paul@0 | 446 | Wire Wire Line |
paul@0 | 447 | 1700 6600 2900 6600 |
paul@0 | 448 | Wire Wire Line |
paul@0 | 449 | 1700 6400 2900 6400 |
paul@0 | 450 | $Sheet |
paul@21 | 451 | S 4300 8900 700 300 |
paul@0 | 452 | U 61DB955D |
paul@0 | 453 | F0 "Video" 50 |
paul@0 | 454 | F1 "video.sch" 50 |
paul@0 | 455 | $EndSheet |
paul@0 | 456 | Wire Wire Line |
paul@0 | 457 | 6300 5500 6200 5500 |
paul@0 | 458 | Wire Wire Line |
paul@0 | 459 | 6300 5100 6200 5100 |
paul@0 | 460 | Wire Wire Line |
paul@0 | 461 | 5800 5100 5900 5100 |
paul@0 | 462 | Wire Wire Line |
paul@0 | 463 | 5800 5500 5900 5500 |
paul@0 | 464 | Wire Wire Line |
paul@0 | 465 | 5800 5300 5800 5100 |
paul@0 | 466 | Wire Wire Line |
paul@0 | 467 | 5800 5300 5800 5500 |
paul@0 | 468 | Connection ~ 5800 5300 |
paul@0 | 469 | Wire Wire Line |
paul@0 | 470 | 5600 5300 5800 5300 |
paul@0 | 471 | Text GLabel 6300 5500 2 50 Input ~ 0 |
paul@0 | 472 | 0V |
paul@0 | 473 | $Comp |
paul@0 | 474 | L Device:C C9 |
paul@0 | 475 | U 1 1 621AE941 |
paul@0 | 476 | P 6050 5500 |
paul@0 | 477 | F 0 "C9" V 5798 5500 50 0000 C CNN |
paul@11 | 478 | F 1 "1??F/35V/TANT" V 5889 5500 38 0000 C CNN |
paul@0 | 479 | F 2 "" H 6088 5350 50 0001 C CNN |
paul@0 | 480 | F 3 "~" H 6050 5500 50 0001 C CNN |
paul@0 | 481 | 1 6050 5500 |
paul@0 | 482 | 0 1 1 0 |
paul@0 | 483 | $EndComp |
paul@0 | 484 | Text GLabel 6300 5100 2 50 Input ~ 0 |
paul@0 | 485 | 5V |
paul@0 | 486 | $Comp |
paul@0 | 487 | L Device:R R7 |
paul@0 | 488 | U 1 1 61FA16A2 |
paul@0 | 489 | P 6050 5100 |
paul@0 | 490 | F 0 "R7" V 5843 5100 50 0000 C CNN |
paul@0 | 491 | F 1 "56000R" V 5934 5100 50 0000 C CNN |
paul@0 | 492 | F 2 "" V 5980 5100 50 0001 C CNN |
paul@0 | 493 | F 3 "~" H 6050 5100 50 0001 C CNN |
paul@0 | 494 | 1 6050 5100 |
paul@0 | 495 | 0 1 1 0 |
paul@0 | 496 | $EndComp |
paul@0 | 497 | Text GLabel 7100 6100 2 50 Output ~ 0 |
paul@0 | 498 | ~CSYNC |
paul@0 | 499 | Text GLabel 7100 6700 2 50 Output ~ 0 |
paul@0 | 500 | BLUE |
paul@0 | 501 | Text GLabel 7100 7300 2 50 Output ~ 0 |
paul@0 | 502 | GREEN |
paul@0 | 503 | Text GLabel 7100 7900 2 50 Output ~ 0 |
paul@0 | 504 | RED |
paul@0 | 505 | Wire Wire Line |
paul@0 | 506 | 5600 5700 6100 5700 |
paul@0 | 507 | Text GLabel 4900 7000 2 50 Output ~ 0 |
paul@0 | 508 | ~HS |
paul@0 | 509 | Wire Wire Line |
paul@0 | 510 | 4800 6750 4800 7000 |
paul@0 | 511 | Wire Wire Line |
paul@0 | 512 | 4800 7000 4900 7000 |
paul@0 | 513 | Text GLabel 5800 2300 2 50 BiDi ~ 0 |
paul@0 | 514 | CASSETTE_RC |
paul@0 | 515 | Text GLabel 5800 2600 2 50 Output ~ 0 |
paul@0 | 516 | CASSETTE_MOTOR |
paul@0 | 517 | Wire Wire Line |
paul@0 | 518 | 5600 2300 5800 2300 |
paul@0 | 519 | Wire Wire Line |
paul@0 | 520 | 5600 2600 5800 2600 |
paul@0 | 521 | $Sheet |
paul@21 | 522 | S 4300 8300 700 300 |
paul@0 | 523 | U 62411C42 |
paul@0 | 524 | F0 "UHF" 50 |
paul@0 | 525 | F1 "UHF.sch" 50 |
paul@0 | 526 | $EndSheet |
paul@0 | 527 | Wire Wire Line |
paul@0 | 528 | 5600 6300 5800 6300 |
paul@0 | 529 | Wire Wire Line |
paul@0 | 530 | 5600 5900 6000 5900 |
paul@21 | 531 | Text Notes 6100 9100 0 50 ~ 0 |
paul@0 | 532 | Issue 6 boards tend to have\nIC19 (74LS08) fitted for\nsome kind of buffering\nof the video signals.\n\nLK7 is supposedly connected\nto +5V to ensure this. |
paul@0 | 533 | $Comp |
paul@0 | 534 | L 74xx:74LS08 IC19 |
paul@0 | 535 | U 1 1 61E3E3E3 |
paul@0 | 536 | P 6700 7300 |
paul@0 | 537 | F 0 "IC19" H 6700 7625 50 0000 C CNN |
paul@0 | 538 | F 1 "74LS08" H 6700 7534 50 0000 C CNN |
paul@0 | 539 | F 2 "" H 6700 7300 50 0001 C CNN |
paul@0 | 540 | F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 7300 50 0001 C CNN |
paul@0 | 541 | 1 6700 7300 |
paul@0 | 542 | 1 0 0 -1 |
paul@0 | 543 | $EndComp |
paul@0 | 544 | $Comp |
paul@0 | 545 | L 74xx:74LS08 IC19 |
paul@0 | 546 | U 2 1 61E3E49E |
paul@0 | 547 | P 6700 7900 |
paul@0 | 548 | F 0 "IC19" H 6700 8225 50 0000 C CNN |
paul@0 | 549 | F 1 "74LS08" H 6700 8134 50 0000 C CNN |
paul@0 | 550 | F 2 "" H 6700 7900 50 0001 C CNN |
paul@0 | 551 | F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 7900 50 0001 C CNN |
paul@0 | 552 | 2 6700 7900 |
paul@0 | 553 | 1 0 0 -1 |
paul@0 | 554 | $EndComp |
paul@0 | 555 | $Comp |
paul@0 | 556 | L 74xx:74LS08 IC19 |
paul@0 | 557 | U 3 1 61E3E509 |
paul@0 | 558 | P 6700 6100 |
paul@0 | 559 | F 0 "IC19" H 6700 6425 50 0000 C CNN |
paul@0 | 560 | F 1 "74LS08" H 6700 6334 50 0000 C CNN |
paul@0 | 561 | F 2 "" H 6700 6100 50 0001 C CNN |
paul@0 | 562 | F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 6100 50 0001 C CNN |
paul@0 | 563 | 3 6700 6100 |
paul@0 | 564 | 1 0 0 -1 |
paul@0 | 565 | $EndComp |
paul@0 | 566 | $Comp |
paul@0 | 567 | L 74xx:74LS08 IC19 |
paul@0 | 568 | U 4 1 61E3E573 |
paul@0 | 569 | P 6700 6700 |
paul@0 | 570 | F 0 "IC19" H 6700 7025 50 0000 C CNN |
paul@0 | 571 | F 1 "74LS08" H 6700 6934 50 0000 C CNN |
paul@0 | 572 | F 2 "" H 6700 6700 50 0001 C CNN |
paul@0 | 573 | F 3 "http://www.ti.com/lit/gpn/sn74LS08" H 6700 6700 50 0001 C CNN |
paul@0 | 574 | 4 6700 6700 |
paul@0 | 575 | 1 0 0 -1 |
paul@0 | 576 | $EndComp |
paul@0 | 577 | Wire Wire Line |
paul@0 | 578 | 5800 6300 5800 7800 |
paul@0 | 579 | Wire Wire Line |
paul@0 | 580 | 5800 7800 6400 7800 |
paul@0 | 581 | Wire Wire Line |
paul@0 | 582 | 5900 6100 5900 7200 |
paul@0 | 583 | Wire Wire Line |
paul@0 | 584 | 5900 7200 6400 7200 |
paul@0 | 585 | Wire Wire Line |
paul@0 | 586 | 5600 6100 5900 6100 |
paul@0 | 587 | Wire Wire Line |
paul@0 | 588 | 6000 5900 6000 6800 |
paul@0 | 589 | Wire Wire Line |
paul@0 | 590 | 6000 6800 6400 6800 |
paul@0 | 591 | Wire Wire Line |
paul@0 | 592 | 6100 5700 6100 6200 |
paul@0 | 593 | Wire Wire Line |
paul@0 | 594 | 6100 6200 6400 6200 |
paul@0 | 595 | $Comp |
paul@0 | 596 | L Jumper:Jumper_2_Bridged LK7 |
paul@0 | 597 | U 1 1 61EC346B |
paul@0 | 598 | P 6600 8400 |
paul@0 | 599 | F 0 "LK7" H 6600 8595 50 0000 C CNN |
paul@0 | 600 | F 1 "Jumper_2_Bridged" H 6600 8504 50 0000 C CNN |
paul@0 | 601 | F 2 "" H 6600 8400 50 0001 C CNN |
paul@0 | 602 | F 3 "~" H 6600 8400 50 0001 C CNN |
paul@0 | 603 | 1 6600 8400 |
paul@0 | 604 | 1 0 0 -1 |
paul@0 | 605 | $EndComp |
paul@0 | 606 | Wire Wire Line |
paul@0 | 607 | 6400 8000 6200 8000 |
paul@0 | 608 | Wire Wire Line |
paul@0 | 609 | 6200 8000 6200 8400 |
paul@0 | 610 | Wire Wire Line |
paul@0 | 611 | 6200 8400 6400 8400 |
paul@0 | 612 | Wire Wire Line |
paul@0 | 613 | 6200 8000 6200 7400 |
paul@0 | 614 | Wire Wire Line |
paul@0 | 615 | 6200 7400 6400 7400 |
paul@0 | 616 | Connection ~ 6200 8000 |
paul@0 | 617 | Wire Wire Line |
paul@0 | 618 | 6200 7400 6200 6600 |
paul@0 | 619 | Wire Wire Line |
paul@0 | 620 | 6200 6600 6400 6600 |
paul@0 | 621 | Connection ~ 6200 7400 |
paul@0 | 622 | Wire Wire Line |
paul@0 | 623 | 6200 6600 6200 6000 |
paul@0 | 624 | Wire Wire Line |
paul@0 | 625 | 6200 6000 6400 6000 |
paul@0 | 626 | Connection ~ 6200 6600 |
paul@0 | 627 | Wire Wire Line |
paul@0 | 628 | 7000 6100 7100 6100 |
paul@0 | 629 | Wire Wire Line |
paul@0 | 630 | 7000 6700 7100 6700 |
paul@0 | 631 | Wire Wire Line |
paul@0 | 632 | 7000 7300 7100 7300 |
paul@0 | 633 | Wire Wire Line |
paul@0 | 634 | 7000 7900 7100 7900 |
paul@0 | 635 | Text GLabel 6900 8400 2 50 Input ~ 0 |
paul@0 | 636 | 5V |
paul@0 | 637 | Wire Wire Line |
paul@0 | 638 | 6900 8400 6800 8400 |
paul@0 | 639 | Text GLabel 6100 8400 0 50 Output ~ 0 |
paul@0 | 640 | BUFFER_ENABLE |
paul@0 | 641 | Wire Wire Line |
paul@0 | 642 | 6100 8400 6200 8400 |
paul@1 | 643 | Connection ~ 6200 8400 |
paul@6 | 644 | Text Label 2100 5400 2 50 ~ 0 |
paul@6 | 645 | D[0..7] |
paul@6 | 646 | Text Label 2100 3800 2 50 ~ 0 |
paul@6 | 647 | A[0..15] |
paul@6 | 648 | Text Label 2100 3100 2 50 ~ 0 |
paul@6 | 649 | KBD[0..3] |
paul@6 | 650 | Text Label 2100 2300 2 50 ~ 0 |
paul@6 | 651 | RA[0..7] |
paul@6 | 652 | Text GLabel 2300 2100 0 50 Output ~ 0 |
paul@6 | 653 | ~WE |
paul@6 | 654 | Text GLabel 2500 2200 0 50 Output ~ 0 |
paul@6 | 655 | ~RAS |
paul@6 | 656 | Text GLabel 2700 2300 0 50 Output ~ 0 |
paul@6 | 657 | ~CAS |
paul@6 | 658 | Wire Wire Line |
paul@6 | 659 | 2900 2300 2700 2300 |
paul@6 | 660 | Text Label 2900 3200 2 50 ~ 0 |
paul@6 | 661 | KBD0 |
paul@6 | 662 | Text Label 2900 3300 2 50 ~ 0 |
paul@6 | 663 | KBD1 |
paul@6 | 664 | Text Label 2900 3400 2 50 ~ 0 |
paul@6 | 665 | KBD2 |
paul@6 | 666 | Text Label 2900 3500 2 50 ~ 0 |
paul@6 | 667 | KBD3 |
paul@6 | 668 | Wire Wire Line |
paul@6 | 669 | 4000 900 4000 800 |
paul@6 | 670 | Wire Wire Line |
paul@6 | 671 | 4000 1550 4000 1250 |
paul@6 | 672 | $Comp |
paul@6 | 673 | L power:PWR_FLAG #FLG0106 |
paul@6 | 674 | U 1 1 62024979 |
paul@6 | 675 | P 4000 1250 |
paul@6 | 676 | F 0 "#FLG0106" H 4000 1325 50 0001 C CNN |
paul@6 | 677 | F 1 "PWR_FLAG" V 4000 1378 50 0000 L CNN |
paul@6 | 678 | F 2 "" H 4000 1250 50 0001 C CNN |
paul@6 | 679 | F 3 "~" H 4000 1250 50 0001 C CNN |
paul@6 | 680 | 1 4000 1250 |
paul@6 | 681 | 0 1 1 0 |
paul@6 | 682 | $EndComp |
paul@6 | 683 | Connection ~ 4000 1250 |
paul@6 | 684 | Wire Wire Line |
paul@6 | 685 | 4000 1250 4000 1200 |
paul@6 | 686 | $Comp |
paul@6 | 687 | L power:PWR_FLAG #FLG0107 |
paul@6 | 688 | U 1 1 620249E5 |
paul@6 | 689 | P 3800 1350 |
paul@6 | 690 | F 0 "#FLG0107" H 3800 1425 50 0001 C CNN |
paul@6 | 691 | F 1 "PWR_FLAG" V 3800 1650 50 0000 L CNN |
paul@6 | 692 | F 2 "" H 3800 1350 50 0001 C CNN |
paul@6 | 693 | F 3 "~" H 3800 1350 50 0001 C CNN |
paul@6 | 694 | 1 3800 1350 |
paul@6 | 695 | 0 1 1 0 |
paul@6 | 696 | $EndComp |
paul@6 | 697 | Connection ~ 3800 1350 |
paul@6 | 698 | Wire Wire Line |
paul@6 | 699 | 3800 1350 3800 1200 |
paul@6 | 700 | Text Notes 4550 1400 0 50 ~ 0 |
paul@6 | 701 | Note that KiCad gets upset\nwhen connecting passives\nto power input pins. |
paul@7 | 702 | Wire Bus Line |
paul@16 | 703 | 1700 1600 2100 1600 |
paul@21 | 704 | $Sheet |
paul@21 | 705 | S 1300 8900 700 300 |
paul@21 | 706 | U 6460C88B |
paul@21 | 707 | F0 "Power" 50 |
paul@21 | 708 | F1 "power.sch" 50 |
paul@21 | 709 | $EndSheet |
paul@16 | 710 | Wire Bus Line |
paul@7 | 711 | 2100 1600 2100 1900 |
paul@7 | 712 | Wire Bus Line |
paul@7 | 713 | 2100 3100 2100 3400 |
paul@7 | 714 | Wire Bus Line |
paul@7 | 715 | 2100 2300 2100 3000 |
paul@7 | 716 | Wire Bus Line |
paul@7 | 717 | 2100 5400 2100 6100 |
paul@7 | 718 | Wire Bus Line |
paul@7 | 719 | 2100 3800 2100 5300 |
paul@0 | 720 | $EndSCHEMATC |