Apple-1-HW/RC6502-Apple-1-Replica
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RC6502-Apple-1-Replica/RC6502 PSG/RC6502 PSG.sch
Unknown e32913d7ee Revised PSG module
2019-06-23 18:08:16 +02:00

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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:switches
LIBS:relays
LIBS:motors
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:rc6502_backplane
LIBS:SN76489AN
LIBS:Oscillators
LIBS:trs_3.5mm
LIBS:RC6502 PSG-cache
EELAYER 25 0
EELAYER END
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1 2625 2600
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RC6502 Programmable Sound Generator
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A simple sound card for the RC6502 computer, this one implements the sound chip\noriginally found in systems such as the BBC Micro as well as Sega Master System\nconsoles. Note that the card does not have a designed in reset and needs startup\nroutines to stop it from generating a random noise on power-up.
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3400 6150 3300 6050
Entry Wire Line
3400 6050 3300 5950
Entry Wire Line
3400 5950 3300 5850
Entry Wire Line
3400 5850 3300 5750
Text Label 3425 5850 0 60 ~ 0
D0
Text Label 3425 5950 0 60 ~ 0
D1
Text Label 3425 6050 0 60 ~ 0
D2
Text Label 3425 6150 0 60 ~ 0
D3
Text Label 3425 6250 0 60 ~ 0
D4
Text Label 3425 6350 0 60 ~ 0
D5
Text Label 3425 6450 0 60 ~ 0
D6
Text Label 3425 6550 0 60 ~ 0
D7
$Comp
L GND #PWR020
U 1 1 5CEB02ED
P 3925 6925
F 0 "#PWR020" H 3925 6675 50 0001 C CNN
F 1 "GND" H 3925 6775 50 0000 C CNN
F 2 "" H 3925 6925 50 0001 C CNN
F 3 "" H 3925 6925 50 0001 C CNN
1 3925 6925
1 0 0 -1
$EndComp
Entry Wire Line
5850 6050 5750 5950
Text Label 5450 5950 0 60 ~ 0
S_WE
Text Label 5450 6050 0 60 ~ 0
S_CE
Text Label 5425 4625 0 60 ~ 0
S_D0
Text Label 5425 4525 0 60 ~ 0
S_D1
Text Label 5425 4425 0 60 ~ 0
S_D2
Text Label 5425 4325 0 60 ~ 0
S_D3
Text Label 5425 4225 0 60 ~ 0
S_D4
Text Label 5425 4125 0 60 ~ 0
S_D5
Text Label 5425 4025 0 60 ~ 0
S_D6
Text Label 5425 3925 0 60 ~ 0
S_D7
Text Label 7100 5450 2 60 ~ 0
S_D0
Text Label 7100 5350 2 60 ~ 0
S_D1
Text Label 7100 5250 2 60 ~ 0
S_D2
Text Label 8650 5850 0 60 ~ 0
S_D3
Text Label 8650 5650 0 60 ~ 0
S_D4
Text Label 8650 5550 0 60 ~ 0
S_D5
Text Label 8650 5450 0 60 ~ 0
S_D6
Text Label 8650 5350 0 60 ~ 0
S_D7
Entry Wire Line
6775 5750 6675 5650
Entry Wire Line
6775 5650 6675 5550
Text Label 7100 5650 2 60 ~ 0
S_WE
Text Label 7100 5750 2 60 ~ 0
S_CE
Text Label 7100 5550 2 60 ~ 0
S_RDY
Entry Wire Line
6775 5550 6675 5450
Text Label 1075 4425 0 60 ~ 0
S_RDY
Text Label 1075 4525 0 60 ~ 0
S_WE
Text Label 1075 4625 0 60 ~ 0
S_CE
Entry Wire Line
1050 4625 950 4525
Entry Wire Line
1050 4525 950 4425
Entry Wire Line
1050 4425 950 4325
Entry Wire Line
5850 6150 5750 6050
NoConn ~ 5400 5850
NoConn ~ 5400 6550
NoConn ~ 5400 6450
NoConn ~ 5400 6350
NoConn ~ 5400 6250
NoConn ~ 5400 6150
Text GLabel 6375 1250 1 60 Output ~ 0
WR_SIGNAL
Text GLabel 6475 1250 1 60 Output ~ 0
WR_DATA
$Comp
L C C14
U 1 1 5CECAD7C
P 10675 1150
F 0 "C14" H 10700 1250 50 0000 L CNN
F 1 "100nF" H 10700 1050 50 0000 L CNN
F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 10713 1000 50 0001 C CNN
F 3 "" H 10675 1150 50 0001 C CNN
1 10675 1150
-1 0 0 1
$EndComp
Wire Wire Line
7650 1975 7650 1900
Wire Wire Line
7750 1975 7750 1900
Wire Wire Line
7850 1975 7850 1900
Wire Wire Line
7950 1975 7950 1900
Wire Wire Line
8050 1975 8050 1900
Wire Wire Line
8150 1975 8150 1900
Wire Wire Line
8250 1975 8250 1900
Wire Wire Line
10425 2550 10075 2550
Wire Wire Line
10425 2650 10075 2650
Wire Wire Line
10425 2750 10075 2750
Wire Wire Line
10425 2850 10075 2850
Wire Wire Line
10425 2950 10075 2950
Wire Wire Line
10425 3050 10075 3050
Wire Wire Line
8350 1900 8350 1975
Wire Wire Line
7650 3175 7650 3525
Wire Wire Line
7750 3175 7750 3525
Wire Wire Line
7850 3175 7850 3525
Wire Wire Line
8150 3175 8150 3525
Wire Wire Line
8350 3175 8350 3325
Wire Wire Line
8350 3250 8250 3250
Wire Wire Line
8250 3250 8250 3175
Connection ~ 8350 3250
Wire Wire Line
6275 3175 6275 3525
Wire Wire Line
6375 3175 6375 3525
Wire Wire Line
6475 3175 6475 3525
Wire Wire Line
6775 3175 6775 3525
Wire Wire Line
6975 3175 6975 3375
Wire Wire Line
8350 1325 8350 1400
Wire Wire Line
7350 1325 8350 1325
Wire Wire Line
7350 1325 7350 3375
Wire Wire Line
7650 1400 7650 1325
Connection ~ 7650 1325
Wire Wire Line
7750 1400 7750 1325
Connection ~ 7750 1325
Wire Wire Line
7850 1400 7850 1325
Connection ~ 7850 1325
Wire Wire Line
7950 1400 7950 1325
Connection ~ 7950 1325
Wire Wire Line
8050 1400 8050 1325
Connection ~ 8050 1325
Wire Wire Line
8150 1400 8150 1325
Connection ~ 8150 1325
Wire Wire Line
8250 1400 8250 1325
Connection ~ 8250 1325
Wire Wire Line
10425 4350 10075 4350
Wire Wire Line
10425 4850 10075 4850
Wire Wire Line
7350 3375 6975 3375
Wire Wire Line
10425 5150 10075 5150
Wire Wire Line
10425 5250 10075 5250
Wire Wire Line
10425 5350 10075 5350
Wire Wire Line
10425 5450 10075 5450
Wire Wire Line
10425 5550 10075 5550
Wire Wire Line
10425 5650 10075 5650
Wire Wire Line
10425 5750 10075 5750
Wire Wire Line
10425 5850 10075 5850
Wire Bus Line
9975 2450 9975 5750
Wire Wire Line
6275 1975 6275 1900
Wire Wire Line
6375 1900 6375 1975
Wire Wire Line
6475 1975 6475 1900
Wire Wire Line
6575 1900 6575 1975
Wire Wire Line
6675 1900 6675 1975
Wire Wire Line
6775 1900 6775 1975
Wire Wire Line
6875 1900 6875 1975
Wire Wire Line
6975 1975 6975 1900
Wire Wire Line
6275 1400 6275 1325
Wire Wire Line
6275 1325 6375 1325
Wire Wire Line
6475 1325 6575 1325
Wire Wire Line
6575 1325 6575 1400
Wire Wire Line
6475 1250 6475 1400
Connection ~ 6475 1325
Wire Wire Line
6375 1250 6375 1400
Connection ~ 6375 1325
Wire Wire Line
6675 1400 6675 1325
Wire Wire Line
6675 1325 6775 1325
Wire Wire Line
6775 1250 6775 1400
Connection ~ 6775 1325
Wire Wire Line
7125 5250 6775 5250
Wire Wire Line
7125 5350 6775 5350
Wire Wire Line
7125 5450 6775 5450
Wire Wire Line
8975 5350 8625 5350
Wire Wire Line
8975 5450 8625 5450
Wire Wire Line
8975 5550 8625 5550
Wire Wire Line
8975 5650 8625 5650
Wire Wire Line
8975 5750 8625 5750
Wire Wire Line
8975 5850 8625 5850
Wire Bus Line
6675 4925 6675 5650
Wire Bus Line
9075 4925 9075 5950
Wire Wire Line
8625 5950 8975 5950
Wire Wire Line
8975 5950 8975 6050
Wire Wire Line
8975 6050 9200 6050
Wire Wire Line
9200 6050 9200 5950
Wire Wire Line
6775 5550 7125 5550
Wire Wire Line
6975 5850 7125 5850
Wire Wire Line
2650 6425 3200 6425
Wire Wire Line
2100 1000 2100 2075
Wire Wire Line
2100 1075 2250 1075
Wire Wire Line
2100 1425 2250 1425
Connection ~ 2100 1425
Wire Wire Line
2550 1075 2625 1075
Wire Wire Line
2625 1075 2625 1850
Wire Wire Line
2625 1425 2550 1425
Connection ~ 2625 1425
Connection ~ 2100 1075
Wire Wire Line
2200 1775 2200 2075
Wire Wire Line
2500 2375 2700 2375
Wire Wire Line
2625 2825 2625 2750
Wire Wire Line
3000 2375 3150 2375
Wire Wire Line
1050 4425 1450 4425
Wire Wire Line
1375 4350 1375 4425
Connection ~ 1375 4425
Wire Wire Line
1300 5425 1450 5425
Wire Wire Line
1375 5425 1375 5325
Wire Wire Line
1375 5325 1450 5325
Connection ~ 1375 5425
Wire Wire Line
1375 5125 1450 5125
Wire Wire Line
1375 4725 1375 5125
Wire Wire Line
1375 5025 1450 5025
Wire Wire Line
1375 4925 1450 4925
Connection ~ 1375 5025
Wire Wire Line
1375 4825 1450 4825
Connection ~ 1375 4925
Wire Wire Line
1375 4725 1450 4725
Connection ~ 1375 4825
Wire Wire Line
2850 5125 3200 5125
Wire Wire Line
2850 5025 3200 5025
Wire Wire Line
2850 4925 3200 4925
Wire Wire Line
2850 4825 3200 4825
Wire Wire Line
2850 4725 3200 4725
Wire Wire Line
2850 4625 3200 4625
Wire Wire Line
2850 4525 3200 4525
Wire Wire Line
2850 4425 3200 4425
Wire Wire Line
3075 2475 3075 2825
Wire Wire Line
3075 2475 3425 2475
Connection ~ 3075 2375
Wire Wire Line
3700 1425 3700 1575
Wire Wire Line
3350 1425 3850 1425
Wire Wire Line
3850 1425 3850 1525
Wire Wire Line
9825 4350 9825 4150
Wire Wire Line
9825 4150 10425 4150
Wire Wire Line
10425 4250 10250 4250
Wire Wire Line
10250 4250 10250 4200
Wire Wire Line
10250 4200 9875 4200
Wire Wire Line
9875 4200 9875 4050
Wire Wire Line
9075 850 9075 1000
Wire Wire Line
9075 925 10675 925
Wire Wire Line
9725 925 9725 1000
Wire Wire Line
9400 1000 9400 925
Connection ~ 9400 925
Wire Wire Line
9075 1300 9075 1375
Wire Wire Line
9075 1375 10675 1375
Wire Wire Line
9725 1375 9725 1300
Wire Wire Line
9400 1300 9400 1375
Connection ~ 9400 1375
Wire Wire Line
10375 925 10375 1000
Connection ~ 9725 925
Wire Wire Line
10675 1300 10675 1450
Connection ~ 9725 1375
Wire Wire Line
10050 1300 10050 1375
Connection ~ 10050 1375
Wire Wire Line
10050 1000 10050 925
Connection ~ 10050 925
Connection ~ 10375 1375
Connection ~ 9075 925
Connection ~ 3700 1425
Wire Wire Line
3075 1075 3425 1075
Wire Bus Line
3300 3825 3300 7175
Wire Wire Line
3400 4625 4000 4625
Wire Wire Line
3400 4525 4000 4525
Wire Wire Line
3400 4425 4000 4425
Wire Wire Line
3400 4325 4000 4325
Wire Wire Line
3400 4225 4000 4225
Wire Wire Line
3400 4125 4000 4125
Wire Wire Line
3400 4025 4000 4025
Wire Wire Line
3400 3925 4000 3925
Wire Wire Line
3925 5000 3925 4925
Wire Wire Line
3925 4925 4000 4925
Wire Wire Line
5400 4625 5750 4625
Wire Wire Line
5400 4525 5750 4525
Wire Wire Line
5400 4425 5750 4425
Wire Wire Line
5400 4325 5750 4325
Wire Wire Line
5400 4225 5750 4225
Wire Wire Line
5400 4125 5750 4125
Wire Wire Line
5400 4025 5750 4025
Wire Wire Line
5400 3925 5750 3925
Wire Wire Line
2450 6425 2325 6425
Wire Wire Line
3925 4825 4000 4825
Wire Wire Line
3400 6550 4000 6550
Wire Wire Line
3400 6450 4000 6450
Wire Wire Line
3400 6350 4000 6350
Wire Wire Line
3400 6250 4000 6250
Wire Wire Line
3400 6150 4000 6150
Wire Wire Line
3400 6050 4000 6050
Wire Wire Line
3400 5950 4000 5950
Wire Wire Line
3400 5850 4000 5850
Wire Wire Line
3925 6925 3925 6850
Wire Wire Line
3925 6850 4000 6850
Wire Wire Line
5400 6050 5750 6050
Wire Wire Line
5400 5950 5750 5950
Wire Wire Line
3925 6750 4000 6750
Wire Wire Line
6775 5750 7125 5750
Wire Wire Line
6775 5650 7125 5650
Wire Wire Line
1050 4525 1450 4525
Wire Wire Line
1050 4625 1450 4625
Wire Bus Line
950 4325 950 7175
Wire Bus Line
950 7175 5850 7175
Wire Bus Line
5850 7175 5850 3625
Wire Bus Line
5850 4925 9975 4925
Wire Bus Line
5850 3625 8250 3625
Connection ~ 10375 925
Wire Wire Line
10375 1375 10375 1300
Connection ~ 10675 1375
$Comp
L LM386 U1
U 1 1 5C22EC62
P 2200 2375
F 0 "U1" H 2250 2675 50 0000 L CNN
F 1 "LM386" H 2250 2575 50 0000 L CNN
F 2 "Housings_DIP:DIP-8_W7.62mm_Socket" H 2300 2475 50 0001 C CNN
F 3 "" H 2400 2575 50 0001 C CNN
1 2200 2375
1 0 0 -1
$EndComp
NoConn ~ 2300 2675
Wire Wire Line
1900 2475 1825 2475
Wire Wire Line
1825 2475 1825 2825
Wire Wire Line
1825 2750 2100 2750
Wire Wire Line
2100 2750 2100 2675
Connection ~ 1825 2750
Connection ~ 2625 1650
$Comp
L CP C1
U 1 1 5D0FFE13
P 2400 1775
F 0 "C1" H 2425 1875 50 0000 L CNN
F 1 "100uF" H 2425 1675 50 0000 L CNN
F 2 "Capacitors_THT:CP_Radial_D5.0mm_P2.50mm" H 2438 1625 50 0001 C CNN
F 3 "" H 2400 1775 50 0001 C CNN
1 2400 1775
0 -1 -1 0
$EndComp
Wire Wire Line
2200 1775 2250 1775
Wire Wire Line
2550 1775 2625 1775
Connection ~ 2625 1775
Wire Wire Line
1825 2275 1900 2275
Wire Wire Line
2625 2375 2625 2450
Connection ~ 2625 2375
Wire Wire Line
3425 1175 3350 1175
Wire Wire Line
3350 2375 3425 2375
Wire Wire Line
3350 1175 3350 1425
Wire Wire Line
3075 1075 3075 2375
Wire Wire Line
3300 1775 3075 1775
Connection ~ 3075 1775
NoConn ~ 6875 1400
NoConn ~ 6975 1400
Wire Wire Line
10675 925 10675 1000
$EndSCHEMATC
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