EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "Atmel Mega8 based driver for LMD18245" Date "2020-01-04" Rev "1" Comp "Copyright (c) 2009-2020 Michael Buesch" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Connection ~ 9300 3750 Wire Wire Line 9000 1350 8850 1350 Wire Wire Line 6600 3400 7950 3400 Wire Wire Line 7950 3400 7950 2150 Wire Wire Line 5300 2000 5300 2100 Connection ~ 6700 4800 Wire Wire Line 9650 4750 9800 4750 Wire Wire Line 9800 3650 9100 3650 Wire Wire Line 5600 5300 5600 5400 Wire Wire Line 6600 3000 7200 3000 Wire Wire Line 7200 3000 7200 1600 Wire Wire Line 7200 1600 2550 1600 Wire Wire Line 2150 3400 3350 3400 Wire Wire Line 3350 3400 3350 3350 Wire Wire Line 3350 3350 3650 3350 Wire Wire Line 3650 3350 3650 3600 Wire Wire Line 3650 3600 4200 3600 Wire Wire Line 2150 3700 3450 3700 Wire Wire Line 3450 3700 3450 3300 Wire Wire Line 3450 3300 4200 3300 Wire Wire Line 2150 2900 2850 2900 Wire Wire Line 2150 3100 4200 3100 Wire Wire Line 2150 3300 2950 3300 Wire Wire Line 2150 3500 4200 3500 Wire Wire Line 2550 1600 2550 3800 Wire Wire Line 2950 3300 2950 2900 Wire Wire Line 2950 2900 4200 2900 Wire Wire Line 4200 3200 2850 3200 Wire Wire Line 2850 3200 2850 2900 Wire Wire Line 2650 3200 2650 1700 Wire Wire Line 2550 3800 2150 3800 Wire Wire Line 2650 3200 2150 3200 Wire Wire Line 2150 3000 4200 3000 Wire Wire Line 2150 2800 2250 2800 Wire Wire Line 4200 3400 3550 3400 Wire Wire Line 3550 3400 3550 3600 Wire Wire Line 3550 3600 2150 3600 Wire Wire Line 6600 2900 7100 2900 Wire Wire Line 7100 2900 7100 1700 Wire Wire Line 7100 1700 2650 1700 Wire Wire Line 5200 5300 5200 5400 Wire Wire Line 9800 3750 9300 3750 Wire Wire Line 6700 4500 6700 4800 Connection ~ 6700 4500 Wire Wire Line 5700 2000 5700 2100 Wire Wire Line 7850 2050 7850 3300 Wire Wire Line 7850 3300 6600 3300 Wire Wire Line 9900 1350 10000 1350 Connection ~ 9100 3650 $Comp L power:+5V #PWR013 U 1 1 4A5A3DD8 P 9300 4400 F 0 "#PWR013" H 9300 4490 20 0001 C CNN F 1 "+5V" H 9300 4490 30 0000 C CNN F 2 "" H 9300 4400 50 0001 C CNN F 3 "" H 9300 4400 50 0001 C CNN 1 9300 4400 -1 0 0 1 $EndComp $Comp L power:+5V #PWR012 U 1 1 4A5A3DD2 P 9100 4400 F 0 "#PWR012" H 9100 4490 20 0001 C CNN F 1 "+5V" H 9100 4490 30 0000 C CNN F 2 "" H 9100 4400 50 0001 C CNN F 3 "" H 9100 4400 50 0001 C CNN 1 9100 4400 -1 0 0 1 $EndComp $Comp L Device:R R4 U 1 1 4A5A3DC1 P 9100 4100 F 0 "R4" V 9180 4100 50 0000 C CNN F 1 "1k" V 9100 4100 50 0000 C CNN F 2 "" H 9100 4100 50 0001 C CNN F 3 "" H 9100 4100 50 0001 C CNN 1 9100 4100 1 0 0 -1 $EndComp $Comp L Device:R R5 U 1 1 4A5A3DBB P 9300 4100 F 0 "R5" V 9380 4100 50 0000 C CNN F 1 "1k" V 9300 4100 50 0000 C CNN F 2 "" H 9300 4100 50 0001 C CNN F 3 "" H 9300 4100 50 0001 C CNN 1 9300 4100 1 0 0 -1 $EndComp NoConn ~ 9800 4650 NoConn ~ 9800 4350 NoConn ~ 9800 4550 NoConn ~ 9800 4150 NoConn ~ 6600 4300 NoConn ~ 6600 4200 NoConn ~ 6600 4100 Text Label 9400 3750 0 50 ~ 0 DIR Text Label 9400 3650 0 50 ~ 0 CLK $Comp L power:GND #PWR02 U 1 1 4A579F9C P 1150 1600 F 0 "#PWR02" H 1150 1600 30 0001 C CNN F 1 "GND" H 1150 1530 30 0001 C CNN F 2 "" H 1150 1600 50 0001 C CNN F 3 "" H 1150 1600 50 0001 C CNN 1 1150 1600 1 0 0 -1 $EndComp $Comp L power:+5V #PWR01 U 1 1 4A579F96 P 1150 950 F 0 "#PWR01" H 1150 1040 20 0001 C CNN F 1 "+5V" H 1150 1040 30 0000 C CNN F 2 "" H 1150 950 50 0001 C CNN F 3 "" H 1150 950 50 0001 C CNN 1 1150 950 1 0 0 -1 $EndComp $Comp L Device:CP C1 U 1 1 4A579F7A P 1150 1250 F 0 "C1" H 1200 1350 50 0000 C CNN F 1 "10u" H 1200 1150 50 0000 C CNN F 2 "" H 1150 1250 50 0001 C CNN F 3 "" H 1150 1250 50 0001 C CNN 1 1150 1250 1 0 0 -1 $EndComp NoConn ~ 6600 3100 $Comp L power:GND #PWR017 U 1 1 4A579F03 P 8850 1350 F 0 "#PWR017" H 8850 1350 30 0001 C CNN F 1 "GND" H 8850 1280 30 0001 C CNN F 2 "" H 8850 1350 50 0001 C CNN F 3 "" H 8850 1350 50 0001 C CNN 1 8850 1350 0 1 1 0 $EndComp $Comp L power:+5V #PWR016 U 1 1 4A579EFF P 10000 1350 F 0 "#PWR016" H 10000 1440 20 0001 C CNN F 1 "+5V" H 10000 1440 30 0000 C CNN F 2 "" H 10000 1350 50 0001 C CNN F 3 "" H 10000 1350 50 0001 C CNN 1 10000 1350 0 1 1 0 $EndComp $Comp L Connector:AVR-ISP-6 P3 U 1 1 4A579EA6 P 9400 1450 F 0 "P3" H 9400 1700 50 0000 C CNN F 1 "ISP" V 9400 1500 40 0000 C CNN F 2 "" H 9400 1450 50 0001 C CNN F 3 "" H 9400 1450 50 0001 C CNN 1 9400 1450 0 1 1 0 $EndComp $Comp L power:+5V #PWR08 U 1 1 4A579E71 P 5700 2000 F 0 "#PWR08" H 5700 2090 20 0001 C CNN F 1 "+5V" H 5700 2090 30 0000 C CNN F 2 "" H 5700 2000 50 0001 C CNN F 3 "" H 5700 2000 50 0001 C CNN 1 5700 2000 1 0 0 -1 $EndComp $Comp L power:+5V #PWR06 U 1 1 4A579E6C P 5300 2000 F 0 "#PWR06" H 5300 2090 20 0001 C CNN F 1 "+5V" H 5300 2090 30 0000 C CNN F 2 "" H 5300 2000 50 0001 C CNN F 3 "" H 5300 2000 50 0001 C CNN 1 5300 2000 1 0 0 -1 $EndComp NoConn ~ 5100 2100 $Comp L power:GND #PWR011 U 1 1 4A579E12 P 7400 4800 F 0 "#PWR011" H 7400 4800 30 0001 C CNN F 1 "GND" H 7400 4730 30 0001 C CNN F 2 "" H 7400 4800 50 0001 C CNN F 3 "" H 7400 4800 50 0001 C CNN 1 7400 4800 0 -1 -1 0 $EndComp $Comp L Device:C C3 U 1 1 4A579DFE P 7000 4800 F 0 "C3" H 7050 4900 50 0000 C CNN F 1 "47p" H 7050 4700 50 0000 C CNN F 2 "" H 7000 4800 50 0001 C CNN F 3 "" H 7000 4800 50 0001 C CNN 1 7000 4800 0 1 1 0 $EndComp $Comp L power:+5V #PWR010 U 1 1 4A579DEF P 7350 4500 F 0 "#PWR010" H 7350 4590 20 0001 C CNN F 1 "+5V" H 7350 4590 30 0000 C CNN F 2 "" H 7350 4500 50 0001 C CNN F 3 "" H 7350 4500 50 0001 C CNN 1 7350 4500 0 1 1 0 $EndComp $Comp L Device:R R3 U 1 1 4A579DE6 P 7050 4500 F 0 "R3" V 7130 4500 50 0000 C CNN F 1 "1k" V 7050 4500 50 0000 C CNN F 2 "" H 7050 4500 50 0001 C CNN F 3 "" H 7050 4500 50 0001 C CNN 1 7050 4500 0 1 1 0 $EndComp NoConn ~ 6600 3600 NoConn ~ 9800 4450 NoConn ~ 9800 4250 NoConn ~ 9800 4050 NoConn ~ 9800 3950 NoConn ~ 9800 3850 $Comp L power:GND #PWR015 U 1 1 4A579CA0 P 9650 4750 F 0 "#PWR015" H 9650 4750 30 0001 C CNN F 1 "GND" H 9650 4680 30 0001 C CNN F 2 "" H 9650 4750 50 0001 C CNN F 3 "" H 9650 4750 50 0001 C CNN 1 9650 4750 0 1 1 0 $EndComp $Comp L power:GND #PWR05 U 1 1 4A579BDB P 5200 5400 F 0 "#PWR05" H 5200 5400 30 0001 C CNN F 1 "GND" H 5200 5330 30 0001 C CNN F 2 "" H 5200 5400 50 0001 C CNN F 3 "" H 5200 5400 50 0001 C CNN 1 5200 5400 1 0 0 -1 $EndComp $Comp L power:GND #PWR07 U 1 1 4A579BD7 P 5600 5400 F 0 "#PWR07" H 5600 5400 30 0001 C CNN F 1 "GND" H 5600 5330 30 0001 C CNN F 2 "" H 5600 5400 50 0001 C CNN F 3 "" H 5600 5400 50 0001 C CNN 1 5600 5400 1 0 0 -1 $EndComp Text Label 6650 3000 0 50 ~ 0 LMD2_DIR Text Label 6650 2900 0 50 ~ 0 LMD1_DIR Text Label 3700 3600 0 50 ~ 0 LMD2_M4 Text Label 3700 3500 0 50 ~ 0 LMD2_M3 Text Label 3700 3400 0 50 ~ 0 LMD2_M2 Text Label 3700 3300 0 50 ~ 0 LMD2_M1 Text Label 3700 3200 0 50 ~ 0 LMD1_M4 Text Label 3700 3100 0 50 ~ 0 LMD1_M3 Text Label 3700 3000 0 50 ~ 0 LMD1_M2 Text Label 3700 2900 0 50 ~ 0 LMD1_M1 NoConn ~ 2150 3900 $Comp L power:+5V #PWR03 U 1 1 4A579AC8 P 2250 2800 F 0 "#PWR03" H 2250 2890 20 0001 C CNN F 1 "+5V" H 2250 2890 30 0000 C CNN F 2 "" H 2250 2800 50 0001 C CNN F 3 "" H 2250 2800 50 0001 C CNN 1 2250 2800 0 1 1 0 $EndComp $Comp L Connector:Conn_01x24_Female P1 U 1 1 4A5798D7 P 1950 4000 F 0 "P1" H 1850 5250 70 0000 C CNN F 1 "CHIP2 SOCKET (to LMD)" H 1850 5400 70 0000 C CNN F 2 "" H 1950 4000 50 0001 C CNN F 3 "" H 1950 4000 50 0001 C CNN 1 1950 4000 -1 0 0 1 $EndComp $Comp L Connector:Conn_01x24_Female P2 U 1 1 4A5798D3 P 10000 4750 F 0 "P2" H 9900 3450 70 0000 C CNN F 1 "CHIP1 SOCKET (from parport)" H 9900 3300 70 0000 C CNN F 2 "" H 10000 4750 50 0001 C CNN F 3 "" H 10000 4750 50 0001 C CNN 1 10000 4750 1 0 0 -1 $EndComp $Comp L atmega8x:ATMEGA8-16PI I1 U 1 1 4A5796FB P 5400 3650 F 0 "I1" H 6100 5050 60 0000 C CNN F 1 "ATMEGA8-16PI" H 6050 2200 60 0000 C CNN F 2 "" H 5400 3650 50 0001 C CNN F 3 "" H 5400 3650 50 0001 C CNN 1 5400 3650 1 0 0 -1 $EndComp Wire Wire Line 6700 4800 6700 5100 Wire Wire Line 6700 4500 6600 4500 Wire Wire Line 1150 950 1150 1100 Wire Wire Line 1150 1400 1150 1600 $Comp L power:GND #PWR09 U 1 1 5E11A49F P 1500 1600 F 0 "#PWR09" H 1500 1600 30 0001 C CNN F 1 "GND" H 1500 1530 30 0001 C CNN F 2 "" H 1500 1600 50 0001 C CNN F 3 "" H 1500 1600 50 0001 C CNN 1 1500 1600 1 0 0 -1 $EndComp $Comp L power:+5V #PWR04 U 1 1 5E11A4A9 P 1500 950 F 0 "#PWR04" H 1500 1040 20 0001 C CNN F 1 "+5V" H 1500 1040 30 0000 C CNN F 2 "" H 1500 950 50 0001 C CNN F 3 "" H 1500 950 50 0001 C CNN 1 1500 950 1 0 0 -1 $EndComp $Comp L Device:C C2 U 1 1 5E11A4B3 P 1500 1250 F 0 "C2" H 1550 1350 50 0000 C CNN F 1 "100n" H 1550 1150 50 0000 C CNN F 2 "" H 1500 1250 50 0001 C CNN F 3 "" H 1500 1250 50 0001 C CNN 1 1500 1250 1 0 0 -1 $EndComp Wire Wire Line 1500 950 1500 1100 Wire Wire Line 1500 1400 1500 1600 Wire Wire Line 6700 4500 6900 4500 Wire Wire Line 7200 4500 7350 4500 Wire Wire Line 6700 4800 6850 4800 Wire Wire Line 7150 4800 7400 4800 Wire Wire Line 9100 3650 9100 3950 Wire Wire Line 9100 4250 9100 4400 Wire Wire Line 9300 4250 9300 4400 Wire Wire Line 9300 3750 9300 3950 Wire Wire Line 7950 2150 9400 2150 Wire Wire Line 9400 1850 9400 2150 Wire Wire Line 7850 2050 9600 2050 Wire Wire Line 9600 2050 9600 1850 Wire Wire Line 8050 2250 9500 2250 Wire Wire Line 9500 2250 9500 1850 Wire Wire Line 8050 2250 8050 3200 $Comp L Connector:Conn_01x01_Female J1 U 1 1 5E166A15 P 7450 4250 F 0 "J1" H 7478 4276 50 0000 L CNN F 1 "DEBUG" H 7478 4185 50 0000 L CNN F 2 "" H 7450 4250 50 0001 C CNN F 3 "~" H 7450 4250 50 0001 C CNN 1 7450 4250 1 0 0 -1 $EndComp Wire Wire Line 6600 4400 6700 4400 Wire Wire Line 6700 4400 6700 4250 NoConn ~ 2150 4000 NoConn ~ 2150 4100 NoConn ~ 2150 4200 NoConn ~ 2150 4300 NoConn ~ 2150 4400 NoConn ~ 2150 4500 NoConn ~ 2150 4600 NoConn ~ 2150 4700 NoConn ~ 2150 4800 NoConn ~ 2150 4900 NoConn ~ 2150 5000 NoConn ~ 2150 5100 Wire Wire Line 6600 3200 8050 3200 $Comp L crystalosc:CRYSTALOSC X1 U 1 1 4A579707 P 9550 3050 F 0 "X1" H 9550 2750 60 0000 C CNN F 1 "16MHz OSC" H 9550 3050 60 0000 C CNN F 2 "" H 9550 3050 50 0001 C CNN F 3 "" H 9550 3050 50 0001 C CNN 1 9550 3050 -1 0 0 1 $EndComp $Comp L power:GND #PWR014 U 1 1 4A579CDA P 8750 2900 F 0 "#PWR014" H 8750 2900 30 0001 C CNN F 1 "GND" H 8750 2830 30 0001 C CNN F 2 "" H 8750 2900 50 0001 C CNN F 3 "" H 8750 2900 50 0001 C CNN 1 8750 2900 0 1 1 0 $EndComp $Comp L power:+5V #PWR018 U 1 1 4A579CDF P 10350 3200 F 0 "#PWR018" H 10350 3290 20 0001 C CNN F 1 "+5V" H 10350 3290 30 0000 C CNN F 2 "" H 10350 3200 50 0001 C CNN F 3 "" H 10350 3200 50 0001 C CNN 1 10350 3200 0 1 1 0 $EndComp NoConn ~ 10250 2900 Wire Wire Line 8750 2900 8850 2900 Wire Wire Line 10250 3200 10350 3200 Wire Wire Line 6600 3500 8700 3500 Wire Wire Line 8700 3500 8700 3200 Wire Wire Line 8700 3200 8850 3200 Wire Wire Line 9300 1850 9300 1950 Wire Wire Line 9300 1950 7750 1950 Wire Wire Line 7750 1950 7750 5100 Wire Wire Line 7750 5100 6700 5100 NoConn ~ 9800 4850 NoConn ~ 9800 4950 NoConn ~ 9800 5050 NoConn ~ 9800 5150 NoConn ~ 9800 5250 NoConn ~ 9800 5350 NoConn ~ 9800 5450 NoConn ~ 9800 5550 NoConn ~ 9800 5650 NoConn ~ 9800 5750 NoConn ~ 9800 5850 NoConn ~ 9800 5950 Wire Wire Line 8400 3900 8400 3650 Wire Wire Line 6600 3900 8400 3900 Wire Wire Line 8400 3650 9100 3650 Wire Wire Line 8500 3750 8500 4000 Wire Wire Line 6600 4000 8500 4000 Wire Wire Line 8500 3750 9300 3750 Wire Wire Line 6700 4250 7250 4250 $EndSCHEMATC