EESchema Schematic File Version 4
LIBS:RAM2E-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title "RAM2E"
Date "2019-10-13"
Rev "0.9"
Comp "Garrett's Workshop"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Notes 3600 2250 2    50   ~ 0
nPRAS
Wire Wire Line
	8250 2550 7400 2550
Wire Wire Line
	7100 2400 8250 2400
Wire Wire Line
	6200 2450 7350 2450
Wire Wire Line
	6200 2300 7050 2300
Wire Wire Line
	5000 2400 6150 2400
Wire Wire Line
	5300 2550 6150 2550
Wire Wire Line
	6200 2450 6150 2550
Wire Wire Line
	6150 2400 6200 2300
Wire Wire Line
	8300 2450 8750 2450
Wire Wire Line
	8300 2300 8750 2300
Wire Wire Line
	8250 2550 8300 2450
Wire Wire Line
	8250 2400 8300 2300
Wire Wire Line
	7950 2250 8000 2150
Wire Wire Line
	7350 2450 7400 2550
Wire Wire Line
	7050 2300 7100 2400
Text Notes 3600 2550 2    50   ~ 0
Q3
Wire Wire Line
	4950 2300 5000 2400
Wire Wire Line
	5250 2450 5300 2550
Text Notes 3600 2400 2    50   ~ 0
nPCAS
Wire Wire Line
	5900 2150 6450 2150
Wire Wire Line
	4400 2250 5850 2250
Wire Wire Line
	5850 2250 5900 2150
Wire Wire Line
	4350 2150 4400 2250
Wire Wire Line
	3700 2400 4050 2400
Wire Wire Line
	4050 2400 4100 2300
Wire Wire Line
	4100 2300 4950 2300
Wire Wire Line
	5250 2450 4100 2450
Wire Wire Line
	4100 2450 4050 2550
Text Notes 4600 1300 0    104  ~ 0
Video Access
Text Notes 6600 1300 0    100  ~ 0
6502 CPU Access
Text Notes 8400 1800 0    40   ~ 0
E
Text Notes 3850 1800 0    40   ~ 0
D/F
Wire Wire Line
	3800 1800 4050 1800
Wire Wire Line
	3750 1700 3700 1700
Wire Wire Line
	3800 1800 3750 1700
Wire Wire Line
	3900 1400 3900 1500
Wire Wire Line
	3900 1500 4050 1500
Wire Wire Line
	3900 1400 3750 1400
Wire Wire Line
	3750 1400 3750 1500
Wire Wire Line
	3750 1500 3700 1500
Text Notes 8100 1800 0    40   ~ 0
D
Text Notes 7800 1800 0    40   ~ 0
C
Text Notes 7500 1800 0    40   ~ 0
B
Wire Wire Line
	5550 1700 5600 1800
Text Notes 3600 1800 2    50   ~ 0
C7M
Wire Wire Line
	4050 1800 4100 1700
Wire Wire Line
	4100 1700 4350 1700
Wire Wire Line
	4350 1700 4400 1800
Wire Wire Line
	4400 1800 4650 1800
Wire Wire Line
	4650 1800 4700 1700
Wire Wire Line
	4700 1700 4950 1700
Wire Wire Line
	4950 1700 5000 1800
Wire Wire Line
	5000 1800 5250 1800
Wire Wire Line
	5250 1800 5300 1700
Wire Wire Line
	5300 1700 5550 1700
Wire Wire Line
	5600 1800 5850 1800
Wire Wire Line
	5850 1800 5900 1700
Wire Wire Line
	5900 1700 6150 1700
Wire Wire Line
	6150 1700 6200 1800
Wire Wire Line
	6200 1800 6450 1800
Wire Wire Line
	6450 1800 6500 1700
Wire Wire Line
	6500 1700 6750 1700
Wire Wire Line
	6750 1700 6800 1800
Wire Wire Line
	6800 1800 7050 1800
Wire Wire Line
	7050 1800 7100 1700
Wire Wire Line
	7100 1700 7350 1700
Wire Wire Line
	7350 1700 7400 1800
Wire Wire Line
	7400 1800 7650 1800
Wire Wire Line
	7650 1800 7700 1700
Wire Wire Line
	7700 1700 7950 1700
Wire Wire Line
	7950 1700 8000 1800
Wire Wire Line
	8000 1800 8250 1800
Wire Wire Line
	8250 1800 8300 1700
Wire Wire Line
	8300 1700 8550 1700
Wire Wire Line
	8550 1700 8600 1800
Wire Wire Line
	8600 1800 8750 1800
Text Notes 6000 1800 0    40   ~ 0
6
Text Notes 5700 1800 0    40   ~ 0
5
Text Notes 5400 1800 0    40   ~ 0
4
Text Notes 5100 1800 0    40   ~ 0
3
Text Notes 4800 1800 0    40   ~ 0
2
Text Notes 4200 1800 0    40   ~ 0
E/F
Text Notes 6300 1800 0    40   ~ 0
7
Text Notes 6600 1800 0    40   ~ 0
8
Wire Wire Line
	8300 1650 8750 1650
Wire Wire Line
	6150 1650 6200 1550
Wire Wire Line
	4100 1650 6150 1650
Text Notes 3600 1650 2    50   ~ 0
PHI0
Wire Wire Line
	8700 1500 8750 1500
Wire Wire Line
	8700 1400 8700 1500
Wire Wire Line
	8400 1500 8550 1500
Wire Wire Line
	8550 1500 8550 1400
Wire Wire Line
	8400 1400 8400 1500
Wire Wire Line
	8250 1400 8400 1400
Wire Wire Line
	8550 1400 8700 1400
Text Notes 3600 1500 2    50   ~ 0
C14M
Wire Wire Line
	8100 1500 8250 1500
Wire Wire Line
	8250 1500 8250 1400
Wire Wire Line
	8100 1400 8100 1500
Wire Wire Line
	7950 1400 8100 1400
Wire Wire Line
	7800 1400 7800 1500
Wire Wire Line
	7950 1500 7950 1400
Wire Wire Line
	7800 1500 7950 1500
Wire Wire Line
	7650 1400 7800 1400
Wire Wire Line
	7650 1500 7650 1400
Wire Wire Line
	7500 1500 7650 1500
Wire Wire Line
	6900 1500 7050 1500
Wire Wire Line
	6900 1400 6900 1500
Wire Wire Line
	7200 1500 7350 1500
Wire Wire Line
	7350 1500 7350 1400
Wire Wire Line
	7200 1400 7200 1500
Wire Wire Line
	7050 1400 7200 1400
Wire Wire Line
	7350 1400 7500 1400
Wire Wire Line
	6750 1400 6900 1400
Wire Wire Line
	6600 1400 6600 1500
Wire Wire Line
	6600 1500 6750 1500
Wire Wire Line
	6450 1400 6600 1400
Wire Wire Line
	6300 1400 6300 1500
Wire Wire Line
	6450 1500 6450 1400
Wire Wire Line
	6300 1500 6450 1500
Wire Wire Line
	5700 1500 5850 1500
Wire Wire Line
	5850 1500 5850 1400
Wire Wire Line
	5700 1400 5700 1500
Wire Wire Line
	6000 1500 6150 1500
Wire Wire Line
	6150 1500 6150 1400
Wire Wire Line
	6000 1400 6000 1500
Wire Wire Line
	5850 1400 6000 1400
Wire Wire Line
	6150 1400 6300 1400
Wire Wire Line
	5550 1400 5700 1400
Wire Wire Line
	5400 1400 5400 1500
Wire Wire Line
	5550 1500 5550 1400
Wire Wire Line
	5400 1500 5550 1500
Wire Wire Line
	5250 1400 5400 1400
Wire Wire Line
	5100 1400 5100 1500
Wire Wire Line
	5250 1500 5250 1400
Wire Wire Line
	4500 1500 4650 1500
Wire Wire Line
	4650 1500 4650 1400
Wire Wire Line
	4500 1400 4500 1500
Wire Wire Line
	4800 1500 4950 1500
Wire Wire Line
	4950 1500 4950 1400
Wire Wire Line
	4800 1400 4800 1500
Wire Wire Line
	4650 1400 4800 1400
Wire Wire Line
	4950 1400 5100 1400
Wire Wire Line
	4350 1400 4500 1400
Wire Wire Line
	4200 1400 4200 1500
Wire Wire Line
	4350 1500 4350 1400
Wire Wire Line
	4200 1500 4350 1500
Wire Wire Line
	4050 1400 4200 1400
Wire Wire Line
	4050 1500 4050 1400
Wire Wire Line
	6750 1500 6750 1400
Text Notes 3650 2750 2    50   ~ 0
nRAS
Text Notes 3650 2900 2    50   ~ 0
nCAS
Wire Wire Line
	3950 2800 3900 2900
Text Notes 3600 1950 2    50   ~ 0
RA[7:0]
Wire Wire Line
	4400 1850 4450 1950
Wire Wire Line
	4400 1950 4450 1850
Wire Wire Line
	5900 1850 5950 1950
Wire Wire Line
	5900 1950 5950 1850
Wire Wire Line
	4450 1850 5900 1850
Wire Wire Line
	4450 1950 5900 1950
Wire Wire Line
	6500 1850 6550 1950
Wire Wire Line
	6500 1950 6550 1850
Wire Wire Line
	5950 1950 6500 1950
Wire Wire Line
	6500 1850 5950 1850
Wire Wire Line
	8000 1850 8050 1950
Wire Wire Line
	8000 1950 8050 1850
Wire Wire Line
	8050 1950 8600 1950
Wire Wire Line
	8600 1850 8050 1850
Wire Wire Line
	8600 1850 8650 1950
Wire Wire Line
	8600 1950 8650 1850
Wire Wire Line
	3800 1850 3850 1950
Wire Wire Line
	3800 1950 3850 1850
Wire Wire Line
	3850 1850 4400 1850
Wire Wire Line
	4400 1950 3850 1950
Wire Wire Line
	4350 2150 3800 2150
Wire Wire Line
	3800 2150 3750 2250
Wire Wire Line
	3750 2250 3700 2250
Wire Wire Line
	8000 2150 8550 2150
Wire Wire Line
	8550 2150 8600 2250
Wire Wire Line
	8600 2250 8750 2250
Wire Wire Line
	6450 2150 6500 2250
Wire Wire Line
	6500 2250 7950 2250
Wire Wire Line
	4050 2550 3700 2550
Wire Bus Line
	4100 1350 4100 2950
Text Notes 3600 2100 2    50   ~ 0
RA[11:8]
Wire Wire Line
	6150 2100 6200 2000
Wire Wire Line
	6200 2000 6750 2000
Wire Wire Line
	6750 2000 6800 2100
Wire Wire Line
	6750 2100 6800 2000
Wire Wire Line
	7350 2000 7400 2100
Wire Wire Line
	8250 1550 8300 1650
Wire Wire Line
	3700 1550 4050 1550
Wire Wire Line
	4050 1550 4100 1650
Wire Wire Line
	8650 1850 8750 1850
Wire Wire Line
	8650 1950 8750 1950
Wire Wire Line
	3800 1850 3700 1850
Wire Wire Line
	3800 1950 3700 1950
Text Notes 6900 1800 0    40   ~ 0
9
Text Notes 7200 1800 0    40   ~ 0
A
Wire Wire Line
	7500 1400 7500 1500
Text Notes 3650 4000 0    200  ~ 0
Information may be out of date,\nsuperseded by ./cpld/RAM2E.v
Wire Wire Line
	3900 2900 3700 2900
Wire Bus Line
	3300 2600 8800 2600
Wire Wire Line
	3950 2800 4950 2800
Wire Wire Line
	3700 2650 4350 2650
Wire Wire Line
	4400 2750 5250 2750
Wire Wire Line
	4350 2650 4400 2750
Wire Wire Line
	5250 2750 5300 2650
Wire Wire Line
	5900 2650 5850 2750
Wire Wire Line
	6450 2650 6500 2750
Wire Wire Line
	7950 2900 8000 2800
Wire Wire Line
	7350 2800 7400 2900
Wire Wire Line
	5900 2800 5850 2900
Wire Wire Line
	4950 2800 5000 2900
Wire Bus Line
	6200 1350 6200 2950
Wire Wire Line
	6550 1950 8000 1950
Wire Wire Line
	6550 1850 8000 1850
Wire Wire Line
	7650 2750 7700 2650
Wire Wire Line
	6500 2750 7650 2750
Wire Wire Line
	3700 2100 6750 2100
Wire Wire Line
	5600 2750 5850 2750
Wire Wire Line
	5600 2750 5550 2650
Wire Wire Line
	7700 2650 8750 2650
Wire Wire Line
	6200 1550 8250 1550
Wire Wire Line
	7050 1500 7050 1400
Wire Wire Line
	6800 2000 7350 2000
Wire Wire Line
	6800 2100 8750 2100
Text Notes 5600 3300 0    50   ~ 0
State = { PHI0, C7M, nPRAS, nPCAS, Q3 }
Wire Bus Line
	8300 1350 8300 2950
Text Notes 4500 1800 0    40   ~ 0
1
Wire Wire Line
	5900 2650 6450 2650
Wire Wire Line
	5000 2900 5850 2900
Wire Wire Line
	5300 2650 5550 2650
Wire Wire Line
	5900 2800 7350 2800
Wire Wire Line
	5100 1500 5250 1500
Wire Wire Line
	7400 2900 7950 2900
Wire Wire Line
	8000 2800 8750 2800
$EndSCHEMATC