EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Memory_Flash:SST39SF040 U1 U 1 1 61AFB38D P 3450 2450 F 0 "U1" H 3450 2450 50 0000 C CNN F 1 "SST39SF040" H 3750 3750 50 0000 C CNN F 2 "Package_DIP:DIP-32_W15.24mm_Socket" H 3450 2750 50 0001 C CNN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/25022B.pdf" H 3450 2750 50 0001 C CNN 1 3450 2450 1 0 0 -1 $EndComp $Comp L Memory_EEPROM:28C256 U2 U 1 1 61AFBB43 P 6650 2250 F 0 "U2" H 6650 2300 50 0000 C CNN F 1 "28C256" H 6900 3300 50 0000 C CNN F 2 "Package_DIP:DIP-28_W15.24mm" H 6650 2250 50 0001 C CNN F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 6650 2250 50 0001 C CNN 1 6650 2250 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x14 J1 U 1 1 61AFC6D5 P 3350 5100 F 0 "J1" H 3300 5850 50 0000 L CNN F 1 "t-left" H 3150 4250 50 0000 L CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical" H 3350 5100 50 0001 C CNN F 3 "~" H 3350 5100 50 0001 C CNN 1 3350 5100 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x14 J2 U 1 1 61AFD052 P 3700 5100 F 0 "J2" H 3700 5850 50 0000 C CNN F 1 "t-right" H 3600 4250 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical" H 3700 5100 50 0001 C CNN F 3 "~" H 3700 5100 50 0001 C CNN 1 3700 5100 -1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x14 J3 U 1 1 61AFEB74 P 6450 5150 F 0 "J3" H 6400 5900 50 0000 L CNN F 1 "b-left" H 6250 4300 50 0000 L CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical" H 6450 5150 50 0001 C CNN F 3 "~" H 6450 5150 50 0001 C CNN 1 6450 5150 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_01x14 J4 U 1 1 61AFECD6 P 6800 5150 F 0 "J4" H 6800 5900 50 0000 C CNN F 1 "b-right" H 6700 4300 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical" H 6800 5150 50 0001 C CNN F 3 "~" H 6800 5150 50 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7050 5250 7000 5250 Wire Wire Line 7050 5050 7000 5050 Wire Wire Line 6200 4650 6250 4650 Wire Wire Line 7050 4750 7000 4750 Wire Wire Line 6200 4550 6250 4550 Text GLabel 7050 4650 2 50 Input ~ 0 ~WE Text GLabel 7050 5150 2 50 Input ~ 0 ~OE Text GLabel 7050 5350 2 50 Input ~ 0 ~CE Wire Wire Line 7050 4650 7000 4650 Wire Wire Line 7050 5150 7000 5150 Wire Wire Line 7050 5350 7000 5350 Wire Wire Line 2250 4000 2300 4000 Wire Wire Line 2250 4100 2300 4100 Wire Wire Line 2250 4200 2300 4200 Wire Wire Line 2250 4300 2300 4300 $Comp L power:GND #PWR0101 U 1 1 61B30053 P 6650 3400 F 0 "#PWR0101" H 6650 3150 50 0001 C CNN F 1 "GND" H 6655 3227 50 0000 C CNN F 2 "" H 6650 3400 50 0001 C CNN F 3 "" H 6650 3400 50 0001 C CNN 1 6650 3400 1 0 0 -1 $EndComp $Comp L power:GND #PWR0102 U 1 1 61B302F1 P 3450 3700 F 0 "#PWR0102" H 3450 3450 50 0001 C CNN F 1 "GND" H 3455 3527 50 0000 C CNN F 2 "" H 3450 3700 50 0001 C CNN F 3 "" H 3450 3700 50 0001 C CNN 1 3450 3700 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0103 U 1 1 61B30ADD P 6650 1100 F 0 "#PWR0103" H 6650 950 50 0001 C CNN F 1 "VCC" H 6665 1273 50 0000 C CNN F 2 "" H 6650 1100 50 0001 C CNN F 3 "" H 6650 1100 50 0001 C CNN 1 6650 1100 1 0 0 -1 $EndComp $Comp L power:VCC #PWR0104 U 1 1 61B31282 P 3450 1100 F 0 "#PWR0104" H 3450 950 50 0001 C CNN F 1 "VCC" H 3465 1273 50 0000 C CNN F 2 "" H 3450 1100 50 0001 C CNN F 3 "" H 3450 1100 50 0001 C CNN 1 3450 1100 1 0 0 -1 $EndComp Wire Wire Line 6650 1100 6650 1150 Wire Wire Line 3450 1100 3450 1150 Wire Wire Line 3450 3650 3450 3700 Wire Wire Line 6650 3350 6650 3400 $Comp L power:GND #PWR0105 U 1 1 61B42F42 P 6150 5900 F 0 "#PWR0105" H 6150 5650 50 0001 C CNN F 1 "GND" H 6155 5727 50 0000 C CNN F 2 "" H 6150 5900 50 0001 C CNN F 3 "" H 6150 5900 50 0001 C CNN 1 6150 5900 1 0 0 -1 $EndComp $Comp L power:GND #PWR0106 U 1 1 61B4351D P 3050 5850 F 0 "#PWR0106" H 3050 5600 50 0001 C CNN F 1 "GND" H 3055 5677 50 0000 C CNN F 2 "" H 3050 5850 50 0001 C CNN F 3 "" H 3050 5850 50 0001 C CNN 1 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GLabel 3100 4600 0 50 Input ~ 0 A12 Text GLabel 3100 4500 0 50 Input ~ 0 A14 Wire Wire Line 3100 5400 3150 5400 Wire Wire Line 3100 5300 3150 5300 Wire Wire Line 3100 5200 3150 5200 Wire Wire Line 3100 5100 3150 5100 Wire Wire Line 3100 5000 3150 5000 Wire Wire Line 3100 4900 3150 4900 Wire Wire Line 3100 4800 3150 4800 Wire Wire Line 3100 4700 3150 4700 Wire Wire Line 3100 4600 3150 4600 Wire Wire Line 3100 4500 3150 4500 $Comp L power:VCC #PWR0108 U 1 1 61BBEB12 P 4000 4450 F 0 "#PWR0108" H 4000 4300 50 0001 C CNN F 1 "VCC" H 4015 4623 50 0000 C CNN F 2 "" H 4000 4450 50 0001 C CNN F 3 "" H 4000 4450 50 0001 C CNN 1 4000 4450 1 0 0 -1 $EndComp Wire Wire Line 4000 4450 4000 4500 Wire Wire Line 4000 4500 3900 4500 $Comp L power:GND #PWR0109 U 1 1 61BD7779 P 2300 4350 F 0 "#PWR0109" H 2300 4100 50 0001 C CNN F 1 "GND" H 2305 4177 50 0000 C CNN F 2 "" H 2300 4350 50 0001 C CNN F 3 "" H 2300 4350 50 0001 C CNN 1 2300 4350 1 0 0 -1 $EndComp Wire Wire Line 2300 4000 2300 4100 Connection ~ 2300 4100 Wire Wire Line 2300 4100 2300 4200 Connection ~ 2300 4200 Wire Wire Line 2300 4200 2300 4300 Connection ~ 2300 4300 Wire Wire Line 2300 4300 2300 4350 $EndSCHEMATC