398 lines
8.8 KiB
Plaintext
398 lines
8.8 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:RC6502 RAM-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L HM62256BLP-7 U1
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U 1 1 590A1931
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P 1950 1775
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F 0 "U1" H 1650 2675 50 0000 C CNN
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F 1 "HM62256BLP-7" V 1950 1800 50 0000 C CNN
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F 2 "Housings_DIP:DIP-28_W15.24mm_Socket" H 1950 1775 50 0001 C CIN
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F 3 "" H 1950 1775 50 0001 C CNN
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1 1950 1775
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1 0 0 -1
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$EndComp
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Text GLabel 9100 4450 0 60 Input ~ 0
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WR
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Text GLabel 9100 3750 0 60 Input ~ 0
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GND
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Text GLabel 9100 3850 0 60 Input ~ 0
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VCC
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Text GLabel 9100 2150 0 60 Input ~ 0
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A15
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Text GLabel 9100 2250 0 60 Input ~ 0
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A14
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Text GLabel 9100 2350 0 60 Input ~ 0
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A13
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Text GLabel 9100 2450 0 60 Input ~ 0
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A12
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Text GLabel 9100 2550 0 60 Input ~ 0
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A11
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Text GLabel 9100 2650 0 60 Input ~ 0
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A10
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Text GLabel 9100 2750 0 60 Input ~ 0
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A9
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Text GLabel 9100 2850 0 60 Input ~ 0
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A8
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Text GLabel 9100 2950 0 60 Input ~ 0
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A7
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Text GLabel 9100 3050 0 60 Input ~ 0
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A6
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Text GLabel 9100 3150 0 60 Input ~ 0
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A5
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Text GLabel 9100 3250 0 60 Input ~ 0
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A4
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Text GLabel 9100 3350 0 60 Input ~ 0
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A3
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Text GLabel 9100 3450 0 60 Input ~ 0
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A2
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Text GLabel 9100 3550 0 60 Input ~ 0
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A1
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Text GLabel 9100 3650 0 60 Input ~ 0
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A0
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Text GLabel 9100 4750 0 60 Input ~ 0
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D0
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Text GLabel 9100 4850 0 60 Input ~ 0
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D1
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Text GLabel 9100 4950 0 60 Input ~ 0
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D2
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Text GLabel 9100 5050 0 60 Input ~ 0
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D3
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Text GLabel 9100 5150 0 60 Input ~ 0
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D4
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Text GLabel 9100 5250 0 60 Input ~ 0
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D5
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Text GLabel 9100 5350 0 60 Input ~ 0
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D6
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Text GLabel 9100 5450 0 60 Input ~ 0
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D7
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Text GLabel 2750 1875 2 60 Input ~ 0
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CS
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Text GLabel 2450 1025 2 60 Input ~ 0
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D0
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Text GLabel 2450 1125 2 60 Input ~ 0
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D1
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Text GLabel 2450 1225 2 60 Input ~ 0
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D2
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Text GLabel 2450 1325 2 60 Input ~ 0
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D3
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Text GLabel 2450 1425 2 60 Input ~ 0
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D4
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Text GLabel 2450 1525 2 60 Input ~ 0
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D5
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Text GLabel 2450 1625 2 60 Input ~ 0
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D6
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Text GLabel 2450 1725 2 60 Input ~ 0
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D7
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NoConn ~ 9100 5750
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NoConn ~ 9100 4050
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NoConn ~ 9100 4150
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NoConn ~ 9100 4250
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NoConn ~ 9100 4650
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NoConn ~ 9100 5550
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NoConn ~ 9100 5650
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Text GLabel 7850 2950 1 60 Input ~ 0
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VCC
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Text GLabel 7625 4075 0 60 Output ~ 0
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PAGE_EN
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Text GLabel 8425 5850 0 60 Output ~ 0
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PAGE
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Text GLabel 8025 4075 2 60 Input ~ 0
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PAGE
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$Comp
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L R R1
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U 1 1 590BED30
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P 7850 3250
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F 0 "R1" V 7930 3250 50 0000 C CNN
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F 1 "10k" V 7850 3250 50 0000 C CNN
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F 2 "Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 7780 3250 50 0001 C CNN
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F 3 "" H 7850 3250 50 0001 C CNN
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1 7850 3250
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1 0 0 -1
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$EndComp
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$Comp
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L CONN_01X02 J1
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U 1 1 590C6113
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P 8050 3575
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F 0 "J1" H 8050 3725 50 0000 C CNN
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F 1 "Page PullUp" V 8150 3575 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 8050 3575 50 0001 C CNN
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F 3 "" H 8050 3575 50 0001 C CNN
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1 8050 3575
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1 0 0 -1
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$EndComp
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Text GLabel 1450 2425 0 60 Input ~ 0
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A14
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Text GLabel 1450 2325 0 60 Input ~ 0
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A13
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Text GLabel 1450 2225 0 60 Input ~ 0
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A12
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Text GLabel 1450 2125 0 60 Input ~ 0
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A11
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Text GLabel 1450 2025 0 60 Input ~ 0
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A10
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Text GLabel 1450 1925 0 60 Input ~ 0
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A9
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Text GLabel 1450 1825 0 60 Input ~ 0
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A8
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Text GLabel 1450 1725 0 60 Input ~ 0
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A7
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Text GLabel 1450 1625 0 60 Input ~ 0
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A6
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Text GLabel 1450 1525 0 60 Input ~ 0
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A5
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Text GLabel 1450 1425 0 60 Input ~ 0
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A4
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Text GLabel 1450 1325 0 60 Input ~ 0
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A3
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Text GLabel 1450 1225 0 60 Input ~ 0
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A2
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Text GLabel 1450 1125 0 60 Input ~ 0
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A1
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Text GLabel 1450 1025 0 60 Input ~ 0
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A0
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Text Notes 8375 7500 2 60 ~ 0
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RC6502 Pageable RAM
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Text Notes 10625 7650 2 60 ~ 0
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A
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NoConn ~ -500 7850
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$Comp
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L CONN_01X39 J3
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U 1 1 590B4CA1
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P 9300 4050
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F 0 "J3" H 9300 6050 50 0000 C CNN
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F 1 "CONN_01X39" V 9400 4050 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm" H 9300 4050 50 0001 C CNN
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F 3 "" H 9300 4050 50 0001 C CNN
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1 9300 4050
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1 0 0 -1
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$EndComp
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$Comp
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L CONN_01X02 J2
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U 1 1 590B8522
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P 8625 5650
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F 0 "J2" H 8625 5800 50 0000 C CNN
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F 1 "Bus enable" V 8725 5650 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm" H 8625 5650 50 0001 C CNN
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F 3 "" H 8625 5650 50 0001 C CNN
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1 8625 5650
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0 -1 -1 0
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$EndComp
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NoConn ~ 9100 5950
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Text GLabel 9100 3950 0 60 Output ~ 0
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PHI2
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$Comp
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L 74HCT00 U2
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U 3 1 590BA5CE
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P 4875 1425
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F 0 "U2" H 4875 1475 50 0000 C CNN
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F 1 "74HCT00" H 4875 1325 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 4875 1425 50 0001 C CNN
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F 3 "" H 4875 1425 50 0001 C CNN
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3 4875 1425
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-1 0 0 1
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$EndComp
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Text GLabel 6875 1325 2 60 Input ~ 0
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WR
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$Comp
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L 74HCT00 U2
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U 4 1 590BAFC8
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P 6075 1325
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F 0 "U2" H 6075 1375 50 0000 C CNN
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F 1 "74HCT00" H 6075 1225 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 6075 1325 50 0001 C CNN
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F 3 "" H 6075 1325 50 0001 C CNN
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4 6075 1325
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-1 0 0 1
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$EndComp
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Text GLabel 5475 1525 2 60 Input ~ 0
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PHI2
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NoConn ~ 9100 4350
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NoConn ~ 9100 4550
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$Comp
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L C C1
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U 1 1 590DFF39
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P 8150 1375
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F 0 "C1" H 8175 1475 50 0000 L CNN
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F 1 "100nF" H 8175 1275 50 0000 L CNN
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F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8188 1225 50 0001 C CNN
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F 3 "" H 8150 1375 50 0001 C CNN
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1 8150 1375
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1 0 0 -1
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$EndComp
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$Comp
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L C C2
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U 1 1 590E0960
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P 8450 1375
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F 0 "C2" H 8475 1475 50 0000 L CNN
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F 1 "100nF" H 8475 1275 50 0000 L CNN
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F 2 "Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm" H 8488 1225 50 0001 C CNN
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F 3 "" H 8450 1375 50 0001 C CNN
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1 8450 1375
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1 0 0 -1
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$EndComp
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Text GLabel 7900 975 1 60 Input ~ 0
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VCC
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Text GLabel 7900 1800 3 60 Input ~ 0
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GND
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$Comp
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L 74HCT00 U2
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U 1 1 590E8553
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P 3925 3050
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F 0 "U2" H 3925 3100 50 0000 C CNN
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F 1 "74HCT00" H 3925 2950 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 3925 3050 50 0001 C CNN
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F 3 "" H 3925 3050 50 0001 C CNN
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1 3925 3050
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-1 0 0 1
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$EndComp
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Wire Wire Line
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8675 5850 9100 5850
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Wire Wire Line
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7625 4075 8025 4075
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Wire Wire Line
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7850 3625 7850 4075
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Connection ~ 7850 4075
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Wire Wire Line
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7850 3525 7850 3400
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Wire Wire Line
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7850 3100 7850 2950
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Wire Wire Line
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2450 1975 3100 1975
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Wire Wire Line
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6875 1325 6775 1325
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Wire Wire Line
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6775 1225 6775 1425
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Wire Wire Line
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6775 1225 6675 1225
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Wire Wire Line
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6775 1425 6675 1425
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Connection ~ 6775 1325
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Wire Wire Line
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2450 1875 2750 1875
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Wire Wire Line
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2600 1875 2600 2125
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Wire Wire Line
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2600 2125 2450 2125
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Connection ~ 2600 1875
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Wire Wire Line
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7900 1800 7900 1625
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Wire Wire Line
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7900 1625 8450 1625
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Wire Wire Line
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8150 1625 8150 1525
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Connection ~ 8150 1625
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Wire Wire Line
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7900 1125 8450 1125
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Wire Wire Line
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7900 1125 7900 975
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Wire Wire Line
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8150 1125 8150 1225
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Connection ~ 8150 1125
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Text GLabel 4275 1425 0 60 Output ~ 0
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WE
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Text GLabel 3100 1975 2 60 Input ~ 0
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WE
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Text GLabel 3875 2200 0 60 Output ~ 0
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CS_LO
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Text GLabel 4275 2200 2 60 Input ~ 0
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A15
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Wire Wire Line
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4275 2200 3875 2200
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Wire Wire Line
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8575 5850 8425 5850
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Text GLabel 3325 3050 0 60 Output ~ 0
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CS_HI
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Text GLabel 4525 2950 2 60 Input ~ 0
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A15
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$Comp
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L 74HCT00 U2
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U 2 1 59101296
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P 5225 3150
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F 0 "U2" H 5225 3200 50 0000 C CNN
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F 1 "74HCT00" H 5225 3050 50 0000 C CNN
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F 2 "Housings_DIP:DIP-14_W7.62mm_Socket" H 5225 3150 50 0001 C CNN
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F 3 "" H 5225 3150 50 0001 C CNN
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2 5225 3150
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-1 0 0 1
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$EndComp
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Wire Wire Line
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4525 3150 4625 3150
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Wire Wire Line
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5925 3250 5825 3250
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Wire Wire Line
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5925 3050 5925 3250
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Wire Wire Line
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5925 3050 5825 3050
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Wire Wire Line
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6050 3150 5925 3150
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Connection ~ 5925 3150
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Text GLabel 6050 3150 2 60 Input ~ 0
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PAGE_EN
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$Comp
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L Jumper_NC_Dual JP1
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U 1 1 5910854D
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P 2975 4275
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F 0 "JP1" H 3025 4175 50 0000 L CNN
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F 1 "HIGH | LOW" H 2975 4375 50 0000 C BNN
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F 2 "Pin_Headers:Pin_Header_Angled_1x03_Pitch2.54mm" H 2975 4275 50 0001 C CNN
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F 3 "" H 2975 4275 50 0001 C CNN
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1 2975 4275
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0 1 1 0
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$EndComp
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Text GLabel 2675 4275 0 60 Output ~ 0
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CS
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Wire Wire Line
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2875 4275 2675 4275
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Text GLabel 2975 4525 3 60 Input ~ 0
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CS_HI
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Text GLabel 2975 4025 1 60 Input ~ 0
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CS_LO
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Wire Wire Line
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8450 1125 8450 1225
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Wire Wire Line
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8450 1625 8450 1525
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$EndSCHEMATC
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