EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr User 10000 9054 encoding utf-8 Sheet 1 1 Title "Gemini 2020" Date "2020-11-17" Rev "1.0" Comp "PulkoTronics" Comment1 "2MB RAM expansion for Amstrad CPC 6128/Plus" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 1050 2050 850 2050 Wire Wire Line 1050 1850 850 1850 Wire Wire Line 1550 2750 1700 2750 Wire Wire Line 1550 2650 1700 2650 Wire Wire Line 1550 2550 1700 2550 Wire Wire Line 1550 2450 1700 2450 Wire Wire Line 1550 2350 1700 2350 Wire Wire Line 1550 2250 1700 2250 Wire Wire Line 1550 1650 1700 1650 Wire Wire Line 1550 1450 1700 1450 Wire Wire Line 1550 1250 1700 1250 Wire Wire Line 1550 1050 1700 1050 Wire Wire Line 1550 1950 1850 1950 Wire Wire Line 1550 1750 1850 1750 Wire Wire Line 1550 3150 1700 3150 Wire Wire Line 1550 2950 1700 2950 Wire Wire Line 1050 850 850 850 Wire Wire Line 1050 2550 850 2550 Wire Wire Line 1050 2750 850 2750 Wire Wire Line 1050 3050 850 3050 Wire Wire Line 800 3350 800 3250 Wire Wire Line 800 3250 1050 3250 Wire Wire Line 800 2350 1050 2350 Wire Wire Line 800 2450 1050 2450 Wire Wire Line 1050 3150 850 3150 Wire Wire Line 1050 2850 850 2850 Wire Wire Line 1050 2650 850 2650 Wire Wire Line 1050 2250 850 2250 Wire Wire Line 1550 850 1700 850 Wire Wire Line 1550 3050 1700 3050 Wire Wire Line 1550 3250 1700 3250 Wire Wire Line 850 2950 1050 2950 Wire Wire Line 1550 1850 1850 1850 Wire Wire Line 1550 2050 1850 2050 Wire Wire Line 1550 950 1700 950 Wire Wire Line 1550 1150 1700 1150 Wire Wire Line 1550 1350 1700 1350 Wire Wire Line 1550 1550 1700 1550 Wire Wire Line 1050 950 900 950 Wire Wire Line 1050 1050 900 1050 Wire Wire Line 1050 1150 900 1150 Wire Wire Line 1050 1250 900 1250 Wire Wire Line 1050 1350 900 1350 Wire Wire Line 1050 1450 900 1450 Wire Wire Line 1050 1550 900 1550 Wire Wire Line 1050 1650 900 1650 Wire Wire Line 850 2150 1050 2150 Wire Wire Line 1550 2850 1750 2850 Wire Wire Line 1550 2150 1700 2150 Wire Wire Line 1050 1750 850 1750 Wire Wire Line 1050 1950 850 1950 Text GLabel 1700 2150 2 60 Output ~ 0 MREQ NoConn ~ 1700 2650 NoConn ~ 1700 2550 NoConn ~ 1700 2450 NoConn ~ 1700 2250 $Comp L power:VCC #PWR013 U 1 1 4DBBEA82 P 850 2150 F 0 "#PWR013" H 850 2250 30 0001 C CNN F 1 "VCC" H 850 2250 30 0000 C CNN F 2 "" H 850 2150 50 0001 C CNN F 3 "" H 850 2150 50 0001 C CNN 1 850 2150 0 -1 -1 0 $EndComp Text Label 900 950 0 60 ~ 0 A15 Text Label 1700 950 0 60 ~ 0 A14 Text Label 900 1050 0 60 ~ 0 A13 Text Label 1700 1050 0 60 ~ 0 A12 Text Label 900 1150 0 60 ~ 0 A11 Text Label 1700 1150 0 60 ~ 0 A10 Text Label 900 1250 0 60 ~ 0 A9 Text Label 1700 1250 0 60 ~ 0 A8 Text Label 900 1350 0 60 ~ 0 A7 Text Label 1700 1350 0 60 ~ 0 A6 Text Label 900 1450 0 60 ~ 0 A5 Text Label 1700 1450 0 60 ~ 0 A4 Text Label 900 1550 0 60 ~ 0 A3 Text Label 1700 1550 0 60 ~ 0 A2 Text Label 900 1650 0 60 ~ 0 A1 Text Label 1700 1650 0 60 ~ 0 A0 Text Label 850 1750 0 60 ~ 0 D7 Text Label 850 1850 0 60 ~ 0 D5 Text Label 850 1950 0 60 ~ 0 D3 Text Label 850 2050 0 60 ~ 0 D1 Text Label 1700 1750 0 60 ~ 0 D6 Text Label 1700 1850 0 60 ~ 0 D4 Text Label 1700 1950 0 60 ~ 0 D2 Text Label 1700 2050 0 60 ~ 0 D0 NoConn ~ 1700 3050 NoConn ~ 1700 3150 NoConn ~ 1700 3250 NoConn ~ 850 850 NoConn ~ 850 2250 NoConn ~ 850 2550 NoConn ~ 850 2650 NoConn ~ 850 2750 NoConn ~ 850 2950 NoConn ~ 850 3150 Text Notes 2060 1250 1 60 ~ 0 \ncpc connector Text GLabel 800 2450 0 60 Output ~ 0 WR Text GLabel 800 2350 0 60 Output ~ 0 IORQ Wire Wire Line 1700 850 1700 650 Wire Wire Line 1700 650 1600 650 NoConn ~ 1700 2350 Text GLabel 1700 2950 2 60 Output ~ 0 RAMRD $Comp L 74xx:74LS574 U2 U 1 1 5FB3A5F5 P 4200 3700 F 0 "U2" H 4200 4678 50 0000 C CNN F 1 "74LS574" H 4400 4400 50 0000 C CNN F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 4200 3700 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS574" H 4200 3700 50 0001 C CNN 1 4200 3700 1 0 0 -1 $EndComp Text Label 7350 1950 2 50 ~ 0 D0 Text Label 7350 2050 2 50 ~ 0 D1 Text Label 7350 2350 2 50 ~ 0 D2 Text Label 7350 2450 2 50 ~ 0 D3 Text Label 8850 2550 0 50 ~ 0 D4 Text Label 8850 2450 0 50 ~ 0 D5 Text Label 8850 2150 0 50 ~ 0 D6 Text Label 8850 2050 0 50 ~ 0 D7 Text Label 7350 1750 2 50 ~ 0 A0 Text Label 7350 1650 2 50 ~ 0 A1 Text Label 7350 1550 2 50 ~ 0 A2 Text Label 7350 1450 2 50 ~ 0 A3 Text Label 7350 1350 2 50 ~ 0 A4 Text Label 8850 1450 0 50 ~ 0 A5 Text Label 8850 1550 0 50 ~ 0 A6 Text Label 8850 1650 0 50 ~ 0 A7 Text Label 8850 1950 0 50 ~ 0 A8 Text Label 8850 2650 0 50 ~ 0 A9 Text Label 8850 2750 0 50 ~ 0 A10 Text Label 8850 2850 0 50 ~ 0 A11 Text Label 8850 2950 0 50 ~ 0 A12 Text Label 8850 3050 0 50 ~ 0 A13 Text Label 8850 3150 0 50 ~ 0 XA14 Text GLabel 8950 1750 2 60 Output ~ 0 RAMRD Text Label 4700 3900 0 50 ~ 0 XA16 Text Label 4700 3800 0 50 ~ 0 XA17 Text Label 4700 3700 0 50 ~ 0 XA18 Text Label 4700 3600 0 50 ~ 0 XA19 Text Label 4700 3500 0 50 ~ 0 XA20 Text Label 3700 3700 2 50 ~ 0 D5 Text Label 3700 3600 2 50 ~ 0 D4 Text Label 3700 3500 2 50 ~ 0 D3 Text Label 2750 3700 2 50 ~ 0 A7 Text Label 2750 4250 2 50 ~ 0 A8 Text Label 3700 4100 2 50 ~ 0 MMR Text Label 4300 1200 0 50 ~ 0 MMR Text Label 2700 2100 2 50 ~ 0 A15 Text Label 2700 2000 2 50 ~ 0 A14 Text Label 4300 1400 0 50 ~ 0 XA14 Text Label 4300 1500 0 50 ~ 0 XA15 Text Label 4300 1600 0 50 ~ 0 RAMDIS Text Label 3700 3200 2 50 ~ 0 D0 Text Label 3700 3300 2 50 ~ 0 D1 Text Label 3700 3400 2 50 ~ 0 D2 Text Label 2700 1300 2 50 ~ 0 D6 Text Label 2700 1200 2 50 ~ 0 D7 Text Label 4700 3200 0 50 ~ 0 XD0 Text Label 4700 3300 0 50 ~ 0 XD1 Text Label 4700 3400 0 50 ~ 0 XD2 Text Label 2700 1900 2 50 ~ 0 XD0 Text Label 2700 1800 2 50 ~ 0 XD1 Text Label 2700 1700 2 50 ~ 0 XD2 Text Label 7350 3150 2 50 ~ 0 XA15 Text Label 7350 3050 2 50 ~ 0 XA16 Text Label 7350 2950 2 50 ~ 0 XA17 Text Label 7350 2850 2 50 ~ 0 XA18 Text Label 7350 2650 2 50 ~ 0 RAMWR Text Label 2700 1400 2 50 ~ 0 D5 Text Label 2700 1500 2 50 ~ 0 D4 Text Label 2700 1600 2 50 ~ 0 D3 Text Notes 4600 1100 0 50 ~ 0 MMR = IORQ + WR + A15 + !A14 + !D6 + !D7 Text Label 8850 1850 0 50 ~ 0 RAMDIS Text Notes 4600 1800 0 50 ~ 0 XA14 = A14 * !XD2 + XD0 * XD2 Text Notes 4600 2000 0 50 ~ 0 XA15 = A15 * !XD2 + XD1 * XD2\nCRTC = IORQ + WR + A14 Text Notes 4600 2300 0 50 ~ 0 RAMDIS = (!XD2 * XD0 * A15 * A14)\n + (!XD2 * XD1 * !XD0)\n + (XD2 * !A15 * A14) Text Notes 4600 1450 0 50 ~ 0 RMR2 = (UNLOCK * !IORQ * !WR * !A15 * A14 * D7 * !D6 * D5)\nASIC.R = RMR2 * (D4 * D3) * RESET\n + !RMR2 * ASIC * RESET Text Label 7350 1850 2 50 ~ 0 MREQ $Comp L power:VCC #PWR05 U 1 1 5FB4DD31 P 4200 2900 F 0 "#PWR05" H 4200 3000 30 0001 C CNN F 1 "VCC" H 4200 3000 30 0000 C CNN F 2 "" H 4200 2900 50 0001 C CNN F 3 "" H 4200 2900 50 0001 C CNN 1 4200 2900 1 0 0 -1 $EndComp $Comp L power:VCC #PWR03 U 1 1 5FB4DD4E P 4300 1000 F 0 "#PWR03" H 4300 1100 30 0001 C CNN F 1 "VCC" H 4300 1100 30 0000 C CNN F 2 "" H 4300 1000 50 0001 C CNN F 3 "" H 4300 1000 50 0001 C CNN 1 4300 1000 1 0 0 -1 $EndComp $Comp L power:VCC #PWR07 U 1 1 5FB4DD65 P 8100 800 F 0 "#PWR07" H 8100 900 30 0001 C CNN F 1 "VCC" H 8100 900 30 0000 C CNN F 2 "" H 8100 800 50 0001 C CNN F 3 "" H 8100 800 50 0001 C CNN 1 8100 800 1 0 0 -1 $EndComp $Comp L power:VCC #PWR01 U 1 1 5FB4DE9C P 2900 6150 F 0 "#PWR01" H 2900 6250 30 0001 C CNN F 1 "VCC" H 2900 6250 30 0000 C CNN F 2 "" H 2900 6150 50 0001 C CNN F 3 "" H 2900 6150 50 0001 C CNN 1 2900 6150 1 0 0 -1 $EndComp $Comp L Device:C C1 U 1 1 5FB4DF4E P 1700 6300 F 0 "C1" H 1815 6346 50 0000 L CNN F 1 "C" H 1815 6255 50 0000 L CNN F 2 "Capacitors_SMD:C_1206" H 1738 6150 50 0001 C CNN F 3 "~" H 1700 6300 50 0001 C CNN 1 1700 6300 1 0 0 -1 $EndComp $Comp L Device:C C2 U 1 1 5FB4E00C P 2100 6300 F 0 "C2" H 2215 6346 50 0000 L CNN F 1 "C" H 2215 6255 50 0000 L CNN F 2 "Capacitors_SMD:C_1206" H 2138 6150 50 0001 C CNN F 3 "~" H 2100 6300 50 0001 C CNN 1 2100 6300 1 0 0 -1 $EndComp $Comp L Device:C C3 U 1 1 5FB4E067 P 2550 6300 F 0 "C3" H 2665 6346 50 0000 L CNN F 1 "C" H 2665 6255 50 0000 L CNN F 2 "Capacitors_SMD:C_1206" H 2588 6150 50 0001 C CNN F 3 "~" H 2550 6300 50 0001 C CNN 1 2550 6300 1 0 0 -1 $EndComp $Comp L Device:CP C5 U 1 1 5FB4E0EC P 3350 6300 F 0 "C5" H 3468 6346 50 0000 L CNN F 1 "CP" H 3468 6255 50 0000 L CNN F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 3388 6150 50 0001 C CNN F 3 "~" H 3350 6300 50 0001 C CNN 1 3350 6300 1 0 0 -1 $EndComp Wire Wire Line 1700 6150 2100 6150 Wire Wire Line 2100 6150 2550 6150 Connection ~ 2100 6150 Connection ~ 2550 6150 Wire Wire Line 1700 6450 2100 6450 Wire Wire Line 2100 6450 2550 6450 Connection ~ 2100 6450 Connection ~ 2550 6450 $Comp L RAM:LY6220488 U4 U 1 1 5FB62A0C P 8100 2250 F 0 "U4" H 8100 3515 50 0000 C CNN F 1 "LY6220488" H 8100 3424 50 0000 C CNN F 2 "Package_SO:TSOP-II-44_10.16x18.41mm_P0.8mm" H 8100 2250 50 0001 C CNN F 3 "DOCUMENTATION" H 8100 2250 50 0001 C CNN 1 8100 2250 1 0 0 -1 $EndComp Text Label 7350 2750 2 50 ~ 0 XA19 Text Label 7350 2550 2 50 ~ 0 XA20 Wire Wire Line 8850 1750 8950 1750 Text Label 2700 1100 2 50 ~ 0 IORQ Text Label 4300 2100 0 50 ~ 0 WR Text Notes 4600 1600 0 50 ~ 0 RAMWR = WR + (ASIC * !A15 * A14) Text Label 4300 1300 0 50 ~ 0 RAMWR Text Label 850 3050 2 50 ~ 0 RAMDIS NoConn ~ 1750 2850 NoConn ~ 1700 2750 Wire Wire Line 3700 4200 3700 4450 Wire Wire Line 3700 4450 4200 4450 Wire Wire Line 4200 4450 4200 4500 Connection ~ 4200 4500 Text Label 4300 2200 0 50 ~ 0 RESET Text Label 850 2850 2 50 ~ 0 RESET Wire Wire Line 2550 3900 2750 3900 Text Label 3150 3800 0 50 ~ 0 MA7 Text Label 3150 4350 0 50 ~ 0 MA8 Wire Wire Line 7350 2250 7050 2250 Wire Wire Line 7050 2250 7050 3400 Wire Wire Line 7050 3400 8100 3400 Wire Wire Line 9150 3400 9150 2250 Wire Wire Line 9150 2250 8850 2250 Wire Wire Line 8100 3450 8100 3400 Connection ~ 8100 3400 Wire Wire Line 8100 3400 9150 3400 Wire Wire Line 7350 2150 7100 2150 Wire Wire Line 7100 2150 7100 900 Wire Wire Line 7100 900 8100 900 Wire Wire Line 9350 900 9350 2350 Wire Wire Line 9350 2350 8850 2350 Wire Wire Line 8100 900 8100 800 Connection ~ 8100 900 Wire Wire Line 8100 900 9350 900 Wire Wire Line 4300 1100 4300 1000 Wire Wire Line 2700 2300 2700 2200 Wire Wire Line 3150 3800 3700 3800 Wire Wire Line 3450 3900 3700 3900 Wire Wire Line 2550 6150 2900 6150 Wire Wire Line 2550 6450 2900 6450 Connection ~ 2900 6150 Wire Wire Line 2900 6150 3350 6150 Wire Wire Line 2900 6500 2900 6450 Connection ~ 2900 6450 Wire Wire Line 2900 6450 3350 6450 $Comp L ATF22v10:ATF22V10C-10SU U1 U 1 1 6192A276 P 2700 1100 F 0 "U1" H 3500 1487 60 0000 C CNN F 1 "ATF22V10C-10SU" H 3500 1381 60 0000 C CNN F 2 "Housings_SOIC:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 3500 1340 60 0001 C CNN F 3 "" H 2700 1100 60 0000 C CNN 1 2700 1100 1 0 0 -1 $EndComp Text Label 4300 1700 0 50 ~ 0 UNLOCK $Comp L Device:C C6 U 1 1 61B5E5C9 P 1350 6300 F 0 "C6" H 1465 6346 50 0000 L CNN F 1 "C" H 1465 6255 50 0000 L CNN F 2 "Capacitors_SMD:C_1206" H 1388 6150 50 0001 C CNN F 3 "~" H 1350 6300 50 0001 C CNN 1 1350 6300 1 0 0 -1 $EndComp $Comp L Device:C C4 U 1 1 61B5E739 P 950 6300 F 0 "C4" H 1065 6346 50 0000 L CNN F 1 "C" H 1065 6255 50 0000 L CNN F 2 "Capacitors_SMD:C_1206" H 988 6150 50 0001 C CNN F 3 "~" H 950 6300 50 0001 C CNN 1 950 6300 1 0 0 -1 $EndComp Wire Wire Line 1700 6150 1350 6150 Connection ~ 1700 6150 Wire Wire Line 1350 6150 950 6150 Connection ~ 1350 6150 Wire Wire Line 950 6450 1350 6450 Wire Wire Line 1700 6450 1350 6450 Connection ~ 1700 6450 Connection ~ 1350 6450 $Comp L power:GND #PWR014 U 1 1 61B901D3 P 8100 3450 F 0 "#PWR014" H 8100 3200 50 0001 C CNN F 1 "GND" H 8105 3277 50 0000 C CNN F 2 "" H 8100 3450 50 0001 C CNN F 3 "" H 8100 3450 50 0001 C CNN 1 8100 3450 1 0 0 -1 $EndComp $Comp L power:GND #PWR010 U 1 1 61B9081A P 4200 4500 F 0 "#PWR010" H 4200 4250 50 0001 C CNN F 1 "GND" H 4205 4327 50 0000 C CNN F 2 "" H 4200 4500 50 0001 C CNN F 3 "" H 4200 4500 50 0001 C CNN 1 4200 4500 1 0 0 -1 $EndComp $Comp L power:GND #PWR06 U 1 1 61B90C22 P 2550 4600 F 0 "#PWR06" H 2550 4350 50 0001 C CNN F 1 "GND" H 2400 4550 50 0000 C CNN F 2 "" H 2550 4600 50 0001 C CNN F 3 "" H 2550 4600 50 0001 C CNN 1 2550 4600 1 0 0 -1 $EndComp $Comp L power:GND #PWR09 U 1 1 61B90FC4 P 2900 6500 F 0 "#PWR09" H 2900 6250 50 0001 C CNN F 1 "GND" H 2905 6327 50 0000 C CNN F 2 "" H 2900 6500 50 0001 C CNN F 3 "" H 2900 6500 50 0001 C CNN 1 2900 6500 1 0 0 -1 $EndComp $Comp L power:GND #PWR02 U 1 1 61B91A59 P 800 3350 F 0 "#PWR02" H 800 3100 50 0001 C CNN F 1 "GND" H 805 3177 50 0000 C CNN F 2 "" H 800 3350 50 0001 C CNN F 3 "" H 800 3350 50 0001 C CNN 1 800 3350 1 0 0 -1 $EndComp $Comp L power:GND #PWR04 U 1 1 61B91D3F P 1600 650 F 0 "#PWR04" H 1600 400 50 0001 C CNN F 1 "GND" H 1605 477 50 0000 C CNN F 2 "" H 1600 650 50 0001 C CNN F 3 "" H 1600 650 50 0001 C CNN 1 1600 650 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x25_Odd_Even J1 U 1 1 61B927B8 P 1250 2050 F 0 "J1" H 1300 3467 50 0000 C CNN F 1 "Conn_02x25_Odd_Even" H 1300 3376 50 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_2x25_Pitch2.54mm" H 1250 2050 50 0001 C CNN F 3 "~" H 1250 2050 50 0001 C CNN 1 1250 2050 1 0 0 -1 $EndComp $Comp L power:GND #PWR08 U 1 1 61BA39EC P 2700 2300 F 0 "#PWR08" H 2700 2050 50 0001 C CNN F 1 "GND" H 2705 2127 50 0000 C CNN F 2 "" H 2700 2300 50 0001 C CNN F 3 "" H 2700 2300 50 0001 C CNN 1 2700 2300 1 0 0 -1 $EndComp $Comp L Switch:SW_DPDT_x2 SW1 U 1 1 61BA57BE P 2950 3800 F 0 "SW1" H 2950 3475 50 0000 C CNN F 1 "SW_DPDT_x2" H 2950 3566 50 0000 C CNN F 2 "Buttons_Switches_ThroughHole:SW_CuK_JS202011CQN_DPDT_Straight" H 2950 3800 50 0001 C CNN F 3 "~" H 2950 3800 50 0001 C CNN 1 2950 3800 -1 0 0 1 $EndComp $Comp L Switch:SW_DPDT_x2 SW1 U 2 1 61BA6969 P 2950 4350 F 0 "SW1" H 2950 4025 50 0000 C CNN F 1 "SW_DPDT_x2" H 2950 4116 50 0000 C CNN F 2 "Buttons_Switches_ThroughHole:SW_CuK_JS202011CQN_DPDT_Straight" H 2950 4350 50 0001 C CNN F 3 "~" H 2950 4350 50 0001 C CNN 2 2950 4350 -1 0 0 1 $EndComp Wire Wire Line 2550 3900 2550 4450 Wire Wire Line 2750 4450 2550 4450 Connection ~ 2550 4450 Wire Wire Line 2550 4450 2550 4600 Wire Wire Line 3150 4350 3450 4350 Wire Wire Line 3450 3900 3450 4350 Text Label 4300 1800 0 50 ~ 0 ASIC Text Label 4300 2000 0 50 ~ 0 CRTC Connection ~ 7500 4050 $Comp L power:VCC #PWR012 U 1 1 61B91779 P 7500 4050 F 0 "#PWR012" H 7500 4150 30 0001 C CNN F 1 "VCC" H 7500 4150 30 0000 C CNN F 2 "" H 7500 4050 50 0001 C CNN F 3 "" H 7500 4050 50 0001 C CNN 1 7500 4050 1 0 0 -1 $EndComp Connection ~ 5600 6350 $Comp L power:GND #PWR011 U 1 1 61B9147E P 5600 6350 F 0 "#PWR011" H 5600 6100 50 0001 C CNN F 1 "GND" H 5605 6177 50 0000 C CNN F 2 "" H 5600 6350 50 0001 C CNN F 3 "" H 5600 6350 50 0001 C CNN 1 5600 6350 1 0 0 -1 $EndComp Wire Wire Line 7200 6350 8000 6350 Connection ~ 7200 6350 Wire Wire Line 7200 5150 7200 6350 Wire Wire Line 8000 6350 8500 6350 Connection ~ 8000 6350 Wire Wire Line 8000 6050 8000 6350 Wire Wire Line 5600 6350 7200 6350 Wire Wire Line 5600 5150 5600 6350 Wire Wire Line 7200 4050 7500 4050 Text Label 5300 4450 0 50 ~ 0 A9 Text Label 5300 4350 0 50 ~ 0 A8 Text Label 5300 4150 0 50 ~ 0 CRTC Text Label 5300 4050 0 50 ~ 0 CLKIN Wire Wire Line 7200 4550 8000 4550 Wire Wire Line 7200 4450 8000 4450 Wire Wire Line 7200 4350 8000 4350 Text Label 5300 4250 0 50 ~ 0 NCO Text Label 7200 4250 0 50 ~ 0 UNLOCK Wire Wire Line 5300 4650 5600 4650 Wire Wire Line 5300 4250 5600 4250 $Comp L ATF22v10:ATF22V10C-10SU U3 U 1 1 6192C385 P 5600 4050 F 0 "U3" H 6400 4437 60 0000 C CNN F 1 "ATF22V10C-10SU" H 6400 4331 60 0000 C CNN F 2 "Housings_SOIC:SOIC-24W_7.5x15.4mm_Pitch1.27mm" H 6400 4290 60 0001 C CNN F 3 "" H 5600 4050 60 0000 C CNN 1 5600 4050 1 0 0 -1 $EndComp Text Label 5300 4650 0 50 ~ 0 RESET Wire Wire Line 7850 5850 8000 5850 Wire Wire Line 7850 5750 8000 5750 Wire Wire Line 7850 5650 8000 5650 Wire Wire Line 7850 5550 8000 5550 Wire Wire Line 7850 5450 8000 5450 Wire Wire Line 7850 5350 8000 5350 Wire Wire Line 7850 5250 8000 5250 Wire Wire Line 7850 5150 8000 5150 Text Label 7850 5150 0 50 ~ 0 D7 Text Label 7850 5250 0 50 ~ 0 D6 Text Label 7850 5350 0 50 ~ 0 D5 Text Label 7850 5450 0 50 ~ 0 D4 Text Label 7850 5850 0 50 ~ 0 D3 Text Label 7850 5750 0 50 ~ 0 D2 Text Label 7850 5650 0 50 ~ 0 D1 Text Label 7850 5550 0 50 ~ 0 D0 Text Label 7600 4250 0 50 ~ 0 PRBS7 Text Label 7600 4350 0 50 ~ 0 PRBS6 Text Label 7600 4450 0 50 ~ 0 PRBS5 Text Label 7600 4550 0 50 ~ 0 PRBS4 Text Label 7200 4950 0 50 ~ 0 PRBS0 Text Label 7200 4850 0 50 ~ 0 PRBS1 Text Label 7200 4750 0 50 ~ 0 PRBS2 Text Label 7200 4650 0 50 ~ 0 PRBS3 Wire Wire Line 7500 4050 8300 4050 Wire Wire Line 7750 4950 8000 4950 Wire Wire Line 7750 4850 8000 4850 Wire Wire Line 7750 4750 8000 4750 Wire Wire Line 7750 4650 8000 4650 Text Label 7750 4950 0 50 ~ 0 PRBS3 Text Label 7750 4850 0 50 ~ 0 PRBS2 Text Label 7750 4750 0 50 ~ 0 PRBS1 Text Label 7750 4650 0 50 ~ 0 PRBS0 Text Label 9000 4250 0 50 ~ 0 NCO Wire Wire Line 8300 4050 8300 3950 Wire Wire Line 8300 3950 8500 3950 $Comp L 74xx:74LS688 U5 U 1 1 616423BA P 8500 5150 F 0 "U5" H 9044 5196 50 0000 L CNN F 1 "74LS688" H 9044 5105 50 0000 L CNN F 2 "Housings_SOIC:SOIC-20W_7.5x12.8mm_Pitch1.27mm" H 8500 5150 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS688" H 8500 5150 50 0001 C CNN 1 8500 5150 1 0 0 -1 $EndComp Text Label 4300 1900 0 50 ~ 0 RMR2 Wire Wire Line 5300 4150 5600 4150 Text Notes 650 5950 0 50 ~ 0 STATE13 = !(PRBS0 * !PRBS1 * PRBS2 * PRBS3 * !PRBS4 * !PRBS5 * PRBS6 * PRBS7)\nUNLOCK.R = (UNLOCK * STATE13)\n + (!UNLOCK * !PRBS0 * PRBS1 * PRBS2 * PRBS3 * !PRBS4 * PRBS5 * PRBS6 * PRBS7)\n\nPRBS0.R = PRBS1 + NCO\nPRBS1.R = PRBS2 + NCO\nPRBS2.R = PRBS3 + NCO\nPRBS3.R = (PRBS0* !PRBS1) + (!PRBS0 * PRBS1) + NCO\nPRBS4.R = PRBS5 + NCO\nPRBS5.R = PRBS6 + NCO\nPRBS6.R = PRBS7 + NCO\nPRBS7.R = (PRBS4* !PRBS7) + (!PRBS4 * PRBS7) + NCO\n\nCLKOUT = CRTC + A9 + A8\nAR=!RESET Wire Wire Line 5300 4050 5600 4050 Wire Wire Line 7200 5050 6400 5050 Wire Wire Line 6400 5050 6400 4050 Wire Wire Line 6400 4050 5600 4050 Connection ~ 5600 4050 Wire Wire Line 5300 4350 5600 4350 Wire Wire Line 5300 4450 5600 4450 Text Label 7200 5050 0 50 ~ 0 CLKOUT Wire Wire Line 8000 4250 7600 4250 Wire Wire Line 7200 4150 7600 4150 Wire Wire Line 7600 4150 7600 4250 $Comp L Device:LED D1 U 1 1 61E50A5C P 5750 2800 F 0 "D1" H 5743 3017 50 0000 C CNN F 1 "LED" H 5743 2926 50 0000 C CNN F 2 "LEDs:LED_D5.0mm" H 5750 2800 50 0001 C CNN F 3 "~" H 5750 2800 50 0001 C CNN 1 5750 2800 1 0 0 -1 $EndComp $Comp L Device:LED D2 U 1 1 61E511A8 P 5750 3200 F 0 "D2" H 5743 3417 50 0000 C CNN F 1 "LED" H 5743 3326 50 0000 C CNN F 2 "LEDs:LED_D5.0mm" H 5750 3200 50 0001 C CNN F 3 "~" H 5750 3200 50 0001 C CNN 1 5750 3200 1 0 0 -1 $EndComp $Comp L Device:R R1 U 1 1 61E51890 P 6050 2800 F 0 "R1" V 5843 2800 50 0000 C CNN F 1 "R" V 5934 2800 50 0000 C CNN F 2 "Resistors_SMD:R_0805" V 5980 2800 50 0001 C CNN F 3 "~" H 6050 2800 50 0001 C CNN 1 6050 2800 0 1 1 0 $EndComp $Comp L Device:R R2 U 1 1 61E51CEA P 6050 3200 F 0 "R2" V 5843 3200 50 0000 C CNN F 1 "R" V 5934 3200 50 0000 C CNN F 2 "Resistors_SMD:R_0805" V 5980 3200 50 0001 C CNN F 3 "~" H 6050 3200 50 0001 C CNN 1 6050 3200 0 1 1 0 $EndComp Wire Wire Line 6200 3200 6200 2800 Text Label 5600 2800 2 50 ~ 0 UNLOCK Text Label 5600 3200 2 50 ~ 0 ASIC $Comp L power:GND #PWR0101 U 1 1 61E5800A P 6200 3200 F 0 "#PWR0101" H 6200 2950 50 0001 C CNN F 1 "GND" H 6205 3027 50 0000 C CNN F 2 "" H 6200 3200 50 0001 C CNN F 3 "" H 6200 3200 50 0001 C CNN 1 6200 3200 1 0 0 -1 $EndComp Connection ~ 6200 3200 $EndSCHEMATC