1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/expansion.sch Wed Jan 26 22:13:42 2022 +0100
1.3 @@ -0,0 +1,305 @@
1.4 +EESchema Schematic File Version 4
1.5 +LIBS:AcornElectronMainboard-cache
1.6 +EELAYER 26 0
1.7 +EELAYER END
1.8 +$Descr A4 11693 8268
1.9 +encoding utf-8
1.10 +Sheet 6 9
1.11 +Title ""
1.12 +Date ""
1.13 +Rev ""
1.14 +Comp ""
1.15 +Comment1 ""
1.16 +Comment2 ""
1.17 +Comment3 ""
1.18 +Comment4 ""
1.19 +$EndDescr
1.20 +$Comp
1.21 +L AcornElectron:Expansion PL?
1.22 +U 1 1 61FB81A6
1.23 +P 4450 5500
1.24 +AR Path="/61FB81A6" Ref="PL?" Part="1"
1.25 +AR Path="/61FB7D7E/61FB81A6" Ref="PL1" Part="1"
1.26 +F 0 "PL1" V 4078 4705 50 0000 C CNN
1.27 +F 1 "Expansion" V 3987 4705 50 0000 C CNN
1.28 +F 2 "" H 4650 5500 50 0001 C CNN
1.29 +F 3 "" H 4650 5500 50 0001 C CNN
1.30 + 1 4450 5500
1.31 + 0 -1 -1 0
1.32 +$EndComp
1.33 +Entry Wire Line
1.34 + 5800 3900 5900 3800
1.35 +Entry Wire Line
1.36 + 5900 3900 6000 3800
1.37 +Entry Wire Line
1.38 + 6000 3900 6100 3800
1.39 +Entry Wire Line
1.40 + 6100 3900 6200 3800
1.41 +Entry Wire Line
1.42 + 6200 3900 6300 3800
1.43 +Entry Wire Line
1.44 + 6300 3900 6400 3800
1.45 +Entry Wire Line
1.46 + 6400 3900 6500 3800
1.47 +Entry Wire Line
1.48 + 6500 3900 6600 3800
1.49 +Entry Wire Line
1.50 + 6600 3900 6700 3800
1.51 +Entry Wire Line
1.52 + 6700 3900 6800 3800
1.53 +Entry Wire Line
1.54 + 6800 3900 6900 3800
1.55 +Entry Wire Line
1.56 + 6900 3900 7000 3800
1.57 +Entry Wire Line
1.58 + 7000 3900 7100 3800
1.59 +Entry Wire Line
1.60 + 7100 3900 7200 3800
1.61 +Entry Wire Line
1.62 + 7200 3900 7300 3800
1.63 +Entry Wire Line
1.64 + 7300 3900 7400 3800
1.65 +Wire Wire Line
1.66 + 5800 5100 5800 3900
1.67 +Wire Wire Line
1.68 + 5900 5100 5900 3900
1.69 +Wire Wire Line
1.70 + 6000 5100 6000 3900
1.71 +Wire Wire Line
1.72 + 6100 5100 6100 3900
1.73 +Wire Wire Line
1.74 + 6200 5100 6200 3900
1.75 +Wire Wire Line
1.76 + 6300 5100 6300 3900
1.77 +Wire Wire Line
1.78 + 6400 5100 6400 3900
1.79 +Wire Wire Line
1.80 + 6500 5100 6500 3900
1.81 +Wire Wire Line
1.82 + 6600 5100 6600 3900
1.83 +Wire Wire Line
1.84 + 6700 5100 6700 3900
1.85 +Wire Wire Line
1.86 + 6800 5100 6800 3900
1.87 +Wire Wire Line
1.88 + 6900 5100 6900 3900
1.89 +Wire Wire Line
1.90 + 7000 5100 7000 3900
1.91 +Wire Wire Line
1.92 + 7100 5100 7100 3900
1.93 +Wire Wire Line
1.94 + 7200 5100 7200 3900
1.95 +Wire Wire Line
1.96 + 7300 5100 7300 3900
1.97 +Text Label 6500 5100 1 50 ~ 0
1.98 +A0
1.99 +Text Label 6600 5100 1 50 ~ 0
1.100 +A1
1.101 +Text Label 6700 5100 1 50 ~ 0
1.102 +A2
1.103 +Text Label 6800 5100 1 50 ~ 0
1.104 +A3
1.105 +Text Label 6900 5100 1 50 ~ 0
1.106 +A4
1.107 +Text Label 7000 5100 1 50 ~ 0
1.108 +A5
1.109 +Text Label 7100 5100 1 50 ~ 0
1.110 +A6
1.111 +Text Label 7200 5100 1 50 ~ 0
1.112 +A7
1.113 +Text Label 7300 5100 1 50 ~ 0
1.114 +A8
1.115 +Text Label 6400 5100 1 50 ~ 0
1.116 +A9
1.117 +Text Label 6300 5100 1 50 ~ 0
1.118 +A10
1.119 +Text Label 6200 5100 1 50 ~ 0
1.120 +A11
1.121 +Text Label 6100 5100 1 50 ~ 0
1.122 +A12
1.123 +Text Label 6000 5100 1 50 ~ 0
1.124 +A13
1.125 +Text Label 5900 5100 1 50 ~ 0
1.126 +A14
1.127 +Text Label 5800 5100 1 50 ~ 0
1.128 +A15
1.129 +Wire Wire Line
1.130 + 2400 4800 3000 4800
1.131 +Wire Wire Line
1.132 + 3100 4800 3100 5100
1.133 +Wire Wire Line
1.134 + 3000 4800 3000 5100
1.135 +Connection ~ 3000 4800
1.136 +Wire Wire Line
1.137 + 3000 4800 3100 4800
1.138 +Wire Wire Line
1.139 + 2400 5000 2800 5000
1.140 +Wire Wire Line
1.141 + 2900 5000 2900 5100
1.142 +Wire Wire Line
1.143 + 2800 5100 2800 5000
1.144 +Connection ~ 2800 5000
1.145 +Wire Wire Line
1.146 + 2800 5000 2900 5000
1.147 +Text GLabel 3400 4700 1 50 Input ~ 0
1.148 +0V
1.149 +Text GLabel 3200 4700 1 50 Input ~ 0
1.150 +-5V
1.151 +Text GLabel 3600 4700 1 50 Input ~ 0
1.152 +5V
1.153 +Wire Wire Line
1.154 + 3200 5100 3200 4800
1.155 +Wire Wire Line
1.156 + 3300 5100 3300 4800
1.157 +Wire Wire Line
1.158 + 3300 4800 3200 4800
1.159 +Connection ~ 3200 4800
1.160 +Wire Wire Line
1.161 + 3200 4800 3200 4700
1.162 +Wire Wire Line
1.163 + 3400 5100 3400 4800
1.164 +Wire Wire Line
1.165 + 3500 5100 3500 4800
1.166 +Wire Wire Line
1.167 + 3500 4800 3400 4800
1.168 +Connection ~ 3400 4800
1.169 +Wire Wire Line
1.170 + 3400 4800 3400 4700
1.171 +Wire Wire Line
1.172 + 3600 5100 3600 4800
1.173 +Wire Wire Line
1.174 + 3700 5100 3700 4800
1.175 +Wire Wire Line
1.176 + 3700 4800 3600 4800
1.177 +Connection ~ 3600 4800
1.178 +Wire Wire Line
1.179 + 3600 4800 3600 4700
1.180 +Text GLabel 7500 4700 1 50 Input ~ 0
1.181 +0V
1.182 +Text GLabel 7700 4700 1 50 Input ~ 0
1.183 +5V
1.184 +Wire Wire Line
1.185 + 7500 5100 7500 4800
1.186 +Wire Wire Line
1.187 + 7400 4800 7500 4800
1.188 +Connection ~ 7500 4800
1.189 +Wire Wire Line
1.190 + 7500 4800 7500 4700
1.191 +Wire Wire Line
1.192 + 7700 5100 7700 4800
1.193 +Wire Wire Line
1.194 + 7600 5100 7600 4800
1.195 +Wire Wire Line
1.196 + 7600 4800 7700 4800
1.197 +Connection ~ 7700 4800
1.198 +Wire Wire Line
1.199 + 7700 4800 7700 4700
1.200 +Wire Bus Line
1.201 + 5400 3800 5400 3700
1.202 +Entry Wire Line
1.203 + 4600 3900 4700 3800
1.204 +Entry Wire Line
1.205 + 4700 3900 4800 3800
1.206 +Entry Wire Line
1.207 + 4800 3900 4900 3800
1.208 +Entry Wire Line
1.209 + 4900 3900 5000 3800
1.210 +Entry Wire Line
1.211 + 5000 3900 5100 3800
1.212 +Entry Wire Line
1.213 + 5100 3900 5200 3800
1.214 +Entry Wire Line
1.215 + 5200 3900 5300 3800
1.216 +Entry Wire Line
1.217 + 5300 3900 5400 3800
1.218 +Wire Wire Line
1.219 + 4600 3900 4600 5100
1.220 +Wire Wire Line
1.221 + 4700 5100 4700 3900
1.222 +Wire Wire Line
1.223 + 4800 5100 4800 3900
1.224 +Wire Wire Line
1.225 + 4900 5100 4900 3900
1.226 +Wire Wire Line
1.227 + 5000 5100 5000 3900
1.228 +Wire Wire Line
1.229 + 5100 5100 5100 3900
1.230 +Wire Wire Line
1.231 + 5200 5100 5200 3900
1.232 +Wire Wire Line
1.233 + 5300 5100 5300 3900
1.234 +Wire Wire Line
1.235 + 4400 5100 4400 3500
1.236 +Wire Wire Line
1.237 + 4300 5100 4300 4200
1.238 +Wire Wire Line
1.239 + 4200 3500 4200 5100
1.240 +Wire Wire Line
1.241 + 4100 4200 4100 5100
1.242 +Wire Wire Line
1.243 + 3800 5100 3800 3500
1.244 +Wire Wire Line
1.245 + 7400 4800 7400 5100
1.246 +Wire Wire Line
1.247 + 3900 4200 3900 5100
1.248 +Wire Wire Line
1.249 + 4000 3500 4000 5100
1.250 +Wire Wire Line
1.251 + 4500 4200 4500 5100
1.252 +Text GLabel 5400 3700 1 50 BiDi ~ 0
1.253 +CPU_DATA
1.254 +Text GLabel 7400 3700 1 50 Input ~ 0
1.255 +CPU_ADDRESS
1.256 +Text GLabel 3800 3500 1 50 Input ~ 0
1.257 +SOUND_OUTPUT_EXPANSION
1.258 +Text GLabel 3900 4200 1 50 Input ~ 0
1.259 +CLOCK_16MHz
1.260 +Text GLabel 4000 3500 1 50 Input ~ 0
1.261 +CLOCK_16MHz_DIV_13
1.262 +Text GLabel 2400 4800 0 50 UnSpc ~ 0
1.263 +POWER_AC_RETURN
1.264 +Text GLabel 2400 5000 0 50 UnSpc ~ 0
1.265 +POWER_18VAC
1.266 +Text GLabel 4100 4200 1 50 Input ~ 0
1.267 +PHI_OUT
1.268 +Wire Wire Line
1.269 + 5400 4200 5400 5000
1.270 +Text GLabel 5400 4200 1 50 Output ~ 0
1.271 +RDY
1.272 +Text GLabel 4200 3500 1 50 Input ~ 0
1.273 +~RST
1.274 +Text GLabel 4300 4200 1 50 Output ~ 0
1.275 +~NMI
1.276 +Text GLabel 4400 3500 1 50 Output ~ 0
1.277 +~IRQ
1.278 +Text GLabel 4500 4200 1 50 Input ~ 0
1.279 +RnW
1.280 +$Comp
1.281 +L Device:R R71
1.282 +U 1 1 6261A068
1.283 +P 5500 4650
1.284 +F 0 "R71" H 5550 4700 50 0000 L CNN
1.285 +F 1 "3300R" H 5550 4600 50 0000 L CNN
1.286 +F 2 "" V 5430 4650 50 0001 C CNN
1.287 +F 3 "~" H 5500 4650 50 0001 C CNN
1.288 + 1 5500 4650
1.289 + 1 0 0 -1
1.290 +$EndComp
1.291 +Text GLabel 5500 4400 1 50 Input ~ 0
1.292 +5V
1.293 +Wire Wire Line
1.294 + 5500 4400 5500 4500
1.295 +Wire Wire Line
1.296 + 5500 4800 5500 5000
1.297 +Wire Wire Line
1.298 + 5500 5000 5400 5000
1.299 +Connection ~ 5400 5000
1.300 +Wire Wire Line
1.301 + 5400 5000 5400 5100
1.302 +Wire Bus Line
1.303 + 7400 3700 7400 3800
1.304 +Wire Bus Line
1.305 + 4700 3800 5400 3800
1.306 +Wire Bus Line
1.307 + 5900 3800 7400 3800
1.308 +$EndSCHEMATC