Stepper_Drv.sch

EESchema Schematic File Version 2  date 06/03/2013 18:21:17
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:FE
LIBS:Duet0.3-cache
EELAYER 25  0
EELAYER END
$Descr A3 16535 11700
encoding utf-8
Sheet 2 7
Title "Duet0.3"
Date "20 feb 2013"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Connection ~ 7900 7050
Wire Wire Line
	7900 7050 7650 7050
Wire Wire Line
	7650 7050 7650 7000
Connection ~ 7900 1850
Wire Wire Line
	7900 1850 7650 1850
Wire Wire Line
	7650 1850 7650 1800
Connection ~ 2650 1850
Wire Wire Line
	2650 1850 2400 1850
Wire Wire Line
	2400 1850 2400 1800
Connection ~ 2650 7050
Wire Wire Line
	2650 7050 2400 7050
Wire Wire Line
	2400 7050 2400 7000
Connection ~ 15000 1950
Wire Wire Line
	14500 2650 15000 2650
Wire Wire Line
	15000 2650 15000 1750
Connection ~ 12750 1950
Wire Wire Line
	13000 2650 12750 2650
Wire Wire Line
	12750 2650 12750 1650
Connection ~ 12750 1200
Wire Wire Line
	12750 1250 12750 1200
Connection ~ 13750 1250
Wire Wire Line
	15250 1700 15250 1250
Wire Wire Line
	13000 7800 13000 8000
Wire Wire Line
	13000 5150 13000 5400
Wire Wire Line
	12450 1850 12450 1800
Wire Wire Line
	12450 1800 12200 1800
Wire Wire Line
	12200 1800 12200 1850
Connection ~ 10000 5350
Wire Wire Line
	10300 5350 6900 5350
Wire Wire Line
	10300 5350 10300 5100
Connection ~ 4750 5350
Wire Wire Line
	5050 5350 1650 5350
Wire Wire Line
	5050 5350 5050 5100
Connection ~ 4750 10550
Wire Wire Line
	5050 10550 1650 10550
Wire Wire Line
	5050 10550 5050 10300
Connection ~ 10000 10550
Wire Wire Line
	10300 10550 6900 10550
Wire Wire Line
	10300 10550 10300 10300
Connection ~ 14700 2300
Wire Wire Line
	14700 3400 14700 2150
Wire Wire Line
	14700 2150 14500 2150
Wire Wire Line
	14800 8550 14800 8650
Connection ~ 13000 9150
Wire Wire Line
	13000 9000 13000 9150
Connection ~ 13000 6550
Wire Wire Line
	13000 6400 13000 6550
Wire Wire Line
	14900 5900 14900 6000
Wire Bus Line
	15550 4200 15750 4200
Wire Wire Line
	12350 9850 12350 9650
Wire Wire Line
	14250 7200 14250 7000
Wire Wire Line
	14050 9150 14300 9150
Wire Wire Line
	14050 6550 14350 6550
Wire Wire Line
	14750 6550 15100 6550
Wire Wire Line
	13200 6550 12850 6550
Wire Wire Line
	15250 2100 15250 3400
Wire Wire Line
	2650 6550 2650 6700
Wire Wire Line
	7900 6550 7900 6700
Wire Wire Line
	7900 1700 7900 2000
Wire Wire Line
	2650 1350 2650 1500
Connection ~ 12350 6550
Wire Wire Line
	12350 6800 12350 6550
Connection ~ 12450 2500
Wire Wire Line
	12450 2250 12450 2500
Wire Wire Line
	15250 3400 12950 3400
Wire Notes Line
	11750 750  11750 4200
Wire Notes Line
	11750 750  15550 750 
Wire Notes Line
	15750 750  15750 4200
Wire Notes Line
	11750 4200 15550 4200
Wire Notes Line
	11150 10850 11150 5950
Wire Notes Line
	5900 750  5900 5650
Wire Notes Line
	5900 750  1050 750 
Wire Notes Line
	1050 750  1050 5650
Wire Notes Line
	1050 5650 5900 5650
Wire Wire Line
	7100 7250 7100 7100
Wire Wire Line
	7700 8050 7500 8050
Wire Wire Line
	7500 8050 7500 7850
Wire Wire Line
	7100 2050 7100 1900
Wire Wire Line
	7700 2850 7500 2850
Wire Wire Line
	7500 2850 7500 2650
Wire Wire Line
	2450 3000 1850 3000
Wire Wire Line
	1850 3000 1850 2650
Wire Wire Line
	2250 2050 2250 1900
Wire Wire Line
	1850 7850 1850 8200
Wire Wire Line
	1850 8200 2450 8200
Wire Wire Line
	1850 7250 1850 7100
Wire Wire Line
	10650 9250 9400 9250
Wire Wire Line
	5400 4050 4150 4050
Wire Wire Line
	13000 2300 12950 2300
Wire Wire Line
	13000 2500 12100 2500
Connection ~ 14500 3400
Connection ~ 13750 3400
Wire Wire Line
	13000 2850 13000 3400
Wire Wire Line
	13750 3250 13750 3600
Wire Wire Line
	14500 2750 15300 2750
Connection ~ 7600 3600
Wire Wire Line
	7600 3600 7600 3750
Wire Wire Line
	7600 3750 7500 3750
Connection ~ 7600 8800
Wire Wire Line
	7600 8800 7600 8950
Wire Wire Line
	7600 8950 7500 8950
Wire Wire Line
	4350 3150 4150 3150
Wire Wire Line
	4350 2850 4150 2850
Wire Wire Line
	2450 3250 2250 3250
Wire Wire Line
	3600 1400 3600 2300
Wire Wire Line
	2050 1550 2050 1900
Wire Wire Line
	2450 3600 2200 3600
Wire Wire Line
	4100 2150 4100 2350
Connection ~ 3400 2200
Wire Wire Line
	3000 2300 3000 2150
Wire Wire Line
	3000 2150 2900 2150
Wire Wire Line
	2900 2150 2900 1950
Wire Wire Line
	3250 2300 3250 2200
Wire Wire Line
	4600 3850 4400 3850
Wire Wire Line
	4400 3850 4400 3800
Wire Wire Line
	4400 3800 4150 3800
Wire Wire Line
	2450 4200 2300 4200
Wire Wire Line
	2300 4200 2300 4050
Wire Wire Line
	2250 4750 2250 4700
Wire Wire Line
	2250 4700 2450 4700
Wire Wire Line
	1900 4800 1900 4550
Wire Wire Line
	1900 4550 2450 4550
Connection ~ 4350 5350
Wire Wire Line
	4750 5350 4750 5150
Wire Wire Line
	4150 4350 4750 4350
Wire Wire Line
	4750 4350 4750 4650
Connection ~ 3150 5350
Wire Wire Line
	3300 5350 3300 5100
Wire Wire Line
	3150 5350 3150 5100
Wire Wire Line
	1650 5350 1650 5500
Wire Wire Line
	3450 5350 3450 5100
Connection ~ 3300 5350
Wire Wire Line
	4350 4650 4350 4500
Wire Wire Line
	4350 4500 4150 4500
Wire Wire Line
	4350 5350 4350 5150
Connection ~ 3450 5350
Wire Wire Line
	1900 5200 1900 5350
Connection ~ 1900 5350
Wire Wire Line
	2250 5350 2250 5250
Connection ~ 2250 5350
Wire Wire Line
	4150 3550 4400 3550
Wire Wire Line
	4400 3550 4400 3450
Wire Wire Line
	4400 3450 4600 3450
Wire Wire Line
	3250 2200 3400 2200
Wire Wire Line
	2200 4050 2450 4050
Connection ~ 2300 4050
Wire Wire Line
	4100 1750 4100 1650
Wire Wire Line
	4100 1650 3600 1650
Connection ~ 3600 1650
Wire Wire Line
	3400 1950 3300 1950
Connection ~ 3400 1950
Connection ~ 3400 1350
Wire Wire Line
	1700 4050 1450 4050
Wire Wire Line
	1700 3600 1450 3600
Connection ~ 1450 3600
Wire Wire Line
	1450 4050 1450 3350
Connection ~ 2050 1900
Wire Wire Line
	3400 1150 3400 2300
Wire Wire Line
	2450 3400 2250 3400
Wire Wire Line
	4350 3000 4150 3000
Wire Wire Line
	4150 3300 4350 3300
Wire Wire Line
	9400 3300 9600 3300
Wire Wire Line
	9600 3000 9400 3000
Wire Wire Line
	7700 3400 7500 3400
Wire Wire Line
	8650 1150 8650 2300
Connection ~ 7300 1900
Wire Wire Line
	6700 3350 6700 4050
Connection ~ 6700 3600
Wire Wire Line
	6950 3600 6700 3600
Wire Wire Line
	6700 4050 6950 4050
Connection ~ 8650 1350
Connection ~ 8650 1950
Wire Wire Line
	8650 1950 8550 1950
Connection ~ 8850 1650
Wire Wire Line
	8850 1650 9350 1650
Wire Wire Line
	9350 1650 9350 1750
Connection ~ 7550 4050
Wire Wire Line
	7450 4050 7700 4050
Wire Wire Line
	8650 2200 8500 2200
Wire Wire Line
	9850 3450 9650 3450
Wire Wire Line
	9650 3450 9650 3550
Wire Wire Line
	9650 3550 9400 3550
Connection ~ 7500 5350
Wire Wire Line
	7500 5350 7500 5250
Connection ~ 7150 5350
Wire Wire Line
	7150 5200 7150 5350
Connection ~ 8700 5350
Wire Wire Line
	9600 5350 9600 5150
Wire Wire Line
	9400 4500 9600 4500
Wire Wire Line
	9600 4500 9600 4650
Connection ~ 8550 5350
Wire Wire Line
	8700 5350 8700 5100
Wire Wire Line
	6900 5350 6900 5500
Wire Wire Line
	8400 5350 8400 5100
Wire Wire Line
	8550 5350 8550 5100
Connection ~ 8400 5350
Wire Wire Line
	10000 4650 10000 4350
Wire Wire Line
	10000 4350 9400 4350
Wire Wire Line
	10000 5350 10000 5150
Connection ~ 9600 5350
Wire Wire Line
	7700 4550 7150 4550
Wire Wire Line
	7150 4550 7150 4800
Wire Wire Line
	7700 4700 7500 4700
Wire Wire Line
	7500 4700 7500 4750
Wire Wire Line
	7550 4050 7550 4200
Wire Wire Line
	7550 4200 7700 4200
Wire Wire Line
	9400 3800 9650 3800
Wire Wire Line
	9650 3800 9650 3850
Wire Wire Line
	9650 3850 9850 3850
Wire Wire Line
	8500 2200 8500 2300
Wire Wire Line
	8150 1950 8150 2150
Wire Wire Line
	8150 2150 8250 2150
Wire Wire Line
	8250 2150 8250 2300
Connection ~ 8650 2200
Wire Wire Line
	9350 2150 9350 2350
Wire Wire Line
	7700 3600 7450 3600
Wire Wire Line
	7300 1550 7300 1900
Wire Wire Line
	8850 1400 8850 2300
Wire Wire Line
	7700 3250 7500 3250
Wire Wire Line
	9600 2850 9400 2850
Wire Wire Line
	9600 3150 9400 3150
Wire Wire Line
	9600 8350 9400 8350
Wire Wire Line
	9600 8050 9400 8050
Wire Wire Line
	7700 8450 7500 8450
Wire Wire Line
	8850 6600 8850 7500
Wire Wire Line
	7300 6750 7300 7100
Wire Wire Line
	7700 8800 7450 8800
Wire Wire Line
	9350 7350 9350 7550
Connection ~ 8650 7400
Wire Wire Line
	8250 7500 8250 7350
Wire Wire Line
	8250 7350 8150 7350
Wire Wire Line
	8150 7350 8150 7150
Wire Wire Line
	8500 7500 8500 7400
Wire Wire Line
	9850 9050 9650 9050
Wire Wire Line
	9650 9050 9650 9000
Wire Wire Line
	9650 9000 9400 9000
Wire Wire Line
	7700 9400 7550 9400
Wire Wire Line
	7550 9400 7550 9250
Wire Wire Line
	7500 9950 7500 9900
Wire Wire Line
	7500 9900 7700 9900
Wire Wire Line
	7150 10000 7150 9750
Wire Wire Line
	7150 9750 7700 9750
Connection ~ 9600 10550
Wire Wire Line
	10000 10550 10000 10350
Wire Wire Line
	9400 9550 10000 9550
Wire Wire Line
	10000 9550 10000 9850
Connection ~ 8400 10550
Wire Wire Line
	8550 10550 8550 10300
Wire Wire Line
	8400 10550 8400 10300
Wire Wire Line
	6900 10550 6900 10700
Wire Wire Line
	8700 10550 8700 10300
Connection ~ 8550 10550
Wire Wire Line
	9600 9850 9600 9700
Wire Wire Line
	9600 9700 9400 9700
Wire Wire Line
	9600 10550 9600 10350
Connection ~ 8700 10550
Wire Wire Line
	7150 10400 7150 10550
Connection ~ 7150 10550
Wire Wire Line
	7500 10550 7500 10450
Connection ~ 7500 10550
Wire Wire Line
	9400 8750 9650 8750
Wire Wire Line
	9650 8750 9650 8650
Wire Wire Line
	9650 8650 9850 8650
Wire Wire Line
	8500 7400 8650 7400
Wire Wire Line
	7450 9250 7700 9250
Connection ~ 7550 9250
Wire Wire Line
	9350 6950 9350 6850
Wire Wire Line
	9350 6850 8850 6850
Connection ~ 8850 6850
Wire Wire Line
	8650 7150 8550 7150
Connection ~ 8650 7150
Connection ~ 8650 6550
Wire Wire Line
	6950 9250 6700 9250
Wire Wire Line
	6950 8800 6700 8800
Connection ~ 6700 8800
Wire Wire Line
	6700 9250 6700 8550
Connection ~ 7300 7100
Wire Wire Line
	8650 6350 8650 7500
Wire Wire Line
	7700 8600 7500 8600
Wire Wire Line
	9600 8200 9400 8200
Wire Wire Line
	9400 8500 9600 8500
Wire Wire Line
	4150 8500 4350 8500
Wire Wire Line
	4350 8200 4150 8200
Wire Wire Line
	2450 8600 2250 8600
Wire Wire Line
	3400 6350 3400 7500
Connection ~ 2050 7100
Wire Wire Line
	1450 8550 1450 9250
Connection ~ 1450 8800
Wire Wire Line
	1700 8800 1450 8800
Wire Wire Line
	1450 9250 1700 9250
Connection ~ 3400 6550
Connection ~ 3400 7150
Wire Wire Line
	3400 7150 3300 7150
Connection ~ 3600 6850
Wire Wire Line
	3600 6850 4100 6850
Wire Wire Line
	4100 6850 4100 6950
Connection ~ 2300 9250
Wire Wire Line
	2200 9250 2450 9250
Wire Wire Line
	3400 7400 3250 7400
Wire Wire Line
	4600 8650 4400 8650
Wire Wire Line
	4400 8650 4400 8750
Wire Wire Line
	4400 8750 4150 8750
Connection ~ 2250 10550
Wire Wire Line
	2250 10550 2250 10450
Connection ~ 1900 10550
Wire Wire Line
	1900 10400 1900 10550
Connection ~ 3450 10550
Wire Wire Line
	4350 10550 4350 10350
Wire Wire Line
	4150 9700 4350 9700
Wire Wire Line
	4350 9700 4350 9850
Connection ~ 3300 10550
Wire Wire Line
	3450 10550 3450 10300
Wire Wire Line
	1650 10550 1650 10700
Wire Wire Line
	3150 10550 3150 10300
Wire Wire Line
	3300 10550 3300 10300
Connection ~ 3150 10550
Wire Wire Line
	4750 9850 4750 9550
Wire Wire Line
	4750 9550 4150 9550
Wire Wire Line
	4750 10550 4750 10350
Connection ~ 4350 10550
Wire Wire Line
	2450 9750 1900 9750
Wire Wire Line
	1900 9750 1900 10000
Wire Wire Line
	2450 9900 2250 9900
Wire Wire Line
	2250 9900 2250 9950
Wire Wire Line
	2300 9250 2300 9400
Wire Wire Line
	2300 9400 2450 9400
Wire Wire Line
	4150 9000 4400 9000
Wire Wire Line
	4400 9000 4400 9050
Wire Wire Line
	4400 9050 4600 9050
Wire Wire Line
	3250 7400 3250 7500
Wire Wire Line
	2900 7150 2900 7350
Wire Wire Line
	2900 7350 3000 7350
Wire Wire Line
	3000 7350 3000 7500
Connection ~ 3400 7400
Wire Wire Line
	4100 7350 4100 7550
Wire Wire Line
	2450 8800 2200 8800
Wire Wire Line
	2050 6750 2050 7100
Wire Wire Line
	3600 6600 3600 7500
Wire Wire Line
	2450 8450 2250 8450
Wire Wire Line
	4350 8050 4150 8050
Wire Wire Line
	4350 8350 4150 8350
Wire Wire Line
	2250 8950 2350 8950
Wire Wire Line
	2350 8950 2350 8800
Connection ~ 2350 8800
Wire Wire Line
	2250 3750 2350 3750
Wire Wire Line
	2350 3750 2350 3600
Connection ~ 2350 3600
Wire Wire Line
	13000 2750 12150 2750
Wire Wire Line
	14500 2050 14650 2050
Wire Wire Line
	13750 1150 13750 1550
Wire Wire Line
	14500 3400 14500 2850
Connection ~ 13000 3400
Wire Wire Line
	13000 2400 12850 2400
Wire Wire Line
	12850 2400 12850 2350
Wire Wire Line
	12850 2350 12150 2350
Wire Wire Line
	5400 9250 4150 9250
Wire Wire Line
	10650 4050 9400 4050
Wire Wire Line
	1850 7100 2250 7100
Wire Wire Line
	2250 7100 2250 7250
Wire Wire Line
	2250 7850 2250 8050
Wire Wire Line
	2250 8050 2450 8050
Wire Wire Line
	2250 2650 2250 2850
Wire Wire Line
	2250 2850 2450 2850
Wire Wire Line
	2250 1900 1850 1900
Wire Wire Line
	1850 1900 1850 2050
Wire Wire Line
	7100 2650 7100 3000
Wire Wire Line
	7100 3000 7700 3000
Wire Wire Line
	7100 1900 7500 1900
Wire Wire Line
	7500 1900 7500 2050
Wire Wire Line
	7700 8200 7100 8200
Wire Wire Line
	7100 8200 7100 7850
Wire Wire Line
	7100 7100 7500 7100
Wire Wire Line
	7500 7100 7500 7250
Wire Notes Line
	6400 750  6400 5650
Wire Notes Line
	6400 750  11150 750 
Wire Notes Line
	11150 750  11150 5650
Wire Notes Line
	11150 5650 6400 5650
Wire Notes Line
	11150 10850 6400 10850
Wire Notes Line
	11150 5950 6400 5950
Wire Notes Line
	6400 5950 6400 10850
Wire Notes Line
	5900 10850 1050 10850
Wire Notes Line
	5900 5950 1050 5950
Wire Notes Line
	5900 5950 5900 10850
Wire Notes Line
	1050 5950 1050 10850
Wire Notes Line
	15600 4350 11750 4350
Wire Notes Line
	15600 4350 15600 10250
Wire Notes Line
	15600 10250 11750 10250
Wire Notes Line
	11750 10250 11750 4350
Wire Wire Line
	12950 3400 12950 2150
Wire Wire Line
	12950 2150 13000 2150
Connection ~ 12950 2300
Wire Wire Line
	12200 2250 12200 2350
Connection ~ 12200 2350
Connection ~ 12350 9150
Wire Wire Line
	12350 9450 12350 9150
Wire Wire Line
	12800 9150 13200 9150
Wire Wire Line
	14700 9150 15050 9150
Wire Wire Line
	14250 9450 14250 9150
Connection ~ 14250 9150
Wire Wire Line
	2650 1700 2650 2000
Wire Wire Line
	7900 1350 7900 1500
Wire Wire Line
	7900 6900 7900 7200
Wire Wire Line
	2650 6900 2650 7200
Wire Wire Line
	14500 2300 14700 2300
Connection ~ 14700 3400
Wire Wire Line
	14250 6800 14250 6550
Connection ~ 14250 6550
Wire Wire Line
	12150 6550 12450 6550
Wire Wire Line
	12400 9150 12150 9150
Wire Wire Line
	12350 7200 12350 7000
Wire Wire Line
	14250 9850 14250 9650
Wire Bus Line
	15550 750  15750 750 
Wire Wire Line
	15600 2100 15600 2400
Wire Wire Line
	15600 2400 14500 2400
Wire Wire Line
	14900 6400 14900 6550
Connection ~ 14900 6550
Wire Wire Line
	13000 6000 13000 5900
Wire Wire Line
	13000 8600 13000 8500
Wire Wire Line
	14800 9050 14800 9150
Connection ~ 14800 9150
Wire Wire Line
	10300 9900 10300 9250
Connection ~ 10300 9250
Wire Wire Line
	5050 9900 5050 9250
Connection ~ 5050 9250
Wire Wire Line
	5050 4700 5050 4050
Connection ~ 5050 4050
Wire Wire Line
	10300 4700 10300 4050
Connection ~ 10300 4050
Wire Wire Line
	12950 2050 13000 2050
Connection ~ 12350 1800
Wire Wire Line
	14900 5150 14900 5400
Wire Wire Line
	14800 7800 14800 8050
Wire Wire Line
	13750 1200 12350 1200
Wire Wire Line
	12350 1200 12350 1800
Connection ~ 13750 1200
Wire Wire Line
	13750 1250 15600 1250
Wire Wire Line
	15600 1250 15600 1700
Connection ~ 15250 1250
Wire Wire Line
	12750 1950 13000 1950
Wire Wire Line
	15000 1750 12750 1750
Connection ~ 12750 1750
Wire Wire Line
	15000 1950 14500 1950
Wire Wire Line
	2400 6600 2400 6550
Wire Wire Line
	2400 6550 3400 6550
Connection ~ 2650 6550
Wire Wire Line
	2400 1400 2400 1350
Wire Wire Line
	2400 1350 3400 1350
Connection ~ 2650 1350
Wire Wire Line
	7650 1400 7650 1350
Wire Wire Line
	7650 1350 8650 1350
Connection ~ 7900 1350
Wire Wire Line
	7650 6600 7650 6550
Wire Wire Line
	7650 6550 8650 6550
Connection ~ 7900 6550
$Comp
L C C78
U 1 1 511A9A28
P 7650 6800
F 0 "C78" H 7700 6900 50  0000 L CNN
F 1 "0u1" H 7700 6700 50  0000 L CNN
	1    7650 6800
	-1   0    0    1   
$EndComp
$Comp
L C C77
U 1 1 511A9A18
P 7650 1600
F 0 "C77" H 7700 1700 50  0000 L CNN
F 1 "0u1" H 7700 1500 50  0000 L CNN
	1    7650 1600
	-1   0    0    1   
$EndComp
$Comp
L C C75
U 1 1 511A9A0A
P 2400 1600
F 0 "C75" H 2450 1700 50  0000 L CNN
F 1 "0u1" H 2450 1500 50  0000 L CNN
	1    2400 1600
	-1   0    0    1   
$EndComp
$Comp
L C C76
U 1 1 511A99F6
P 2400 6800
F 0 "C76" H 2450 6900 50  0000 L CNN
F 1 "0u1" H 2450 6700 50  0000 L CNN
	1    2400 6800
	-1   0    0    1   
$EndComp
Text Notes 11800 3800 0    60   ~ 0
2k7 resistor chosen to give range of VRef with 0R1 sense resistors \nfor full range of current, to use the maximum current\ncooling would be required. 
$Comp
L GND #PWR01
U 1 1 50FEF973
P 12350 9850
F 0 "#PWR01" H 12350 9850 30  0001 C CNN
F 1 "GND" H 12350 9780 30  0001 C CNN
	1    12350 9850
	1    0    0    -1  
$EndComp
$Comp
L R_SMALL R37
U 1 1 50F9A148
P 12750 1450
F 0 "R37" V 12825 1458 50  0000 C CNN
F 1 "2k7" V 12682 1462 50  0000 C CNN
	1    12750 1450
	1    0    0    -1  
$EndComp
$Comp
L C C57
U 1 1 509EB18C
P 10300 10100
F 0 "C57" H 10350 10200 50  0000 L CNN
F 1 "0u1" H 10350 10000 50  0000 L CNN
	1    10300 10100
	1    0    0    -1  
$EndComp
$Comp
L C C15
U 1 1 509EB180
P 5050 10100
F 0 "C15" H 5100 10200 50  0000 L CNN
F 1 "0u1" H 5100 10000 50  0000 L CNN
	1    5050 10100
	1    0    0    -1  
$EndComp
$Comp
L C C56
U 1 1 509EB177
P 10300 4900
F 0 "C56" H 10350 5000 50  0000 L CNN
F 1 "0u1" H 10350 4800 50  0000 L CNN
	1    10300 4900
	1    0    0    -1  
$EndComp
$Comp
L C C14
U 1 1 509EB16A
P 5050 4900
F 0 "C14" H 5100 5000 50  0000 L CNN
F 1 "0u1" H 5100 4800 50  0000 L CNN
	1    5050 4900
	1    0    0    -1  
$EndComp
$Comp
L R R71
U 1 1 509D8605
P 14800 8300
F 0 "R71" V 14880 8300 50  0000 C CNN
F 1 "680R" V 14700 8300 50  0000 C CNN
	1    14800 8300
	-1   0    0    1   
$EndComp
$Comp
L LED D11
U 1 1 509D8604
P 14800 8850
F 0 "D11" H 14800 8950 50  0000 C CNN
F 1 "LED" H 14800 8750 50  0000 C CNN
	1    14800 8850
	0    1    1    0   
$EndComp
$Comp
L R R70
U 1 1 509D8602
P 13000 8250
F 0 "R70" V 13080 8250 50  0000 C CNN
F 1 "680R" V 12900 8250 50  0000 C CNN
	1    13000 8250
	-1   0    0    1   
$EndComp
$Comp
L LED D10
U 1 1 509D8601
P 13000 8800
F 0 "D10" H 13000 8900 50  0000 C CNN
F 1 "LED" H 13000 8700 50  0000 C CNN
	1    13000 8800
	0    1    1    0   
$EndComp
$Comp
L R R72
U 1 1 509D85FC
P 14900 5650
F 0 "R72" V 14980 5650 50  0000 C CNN
F 1 "680R" V 14800 5650 50  0000 C CNN
	1    14900 5650
	-1   0    0    1   
$EndComp
$Comp
L LED D12
U 1 1 509D85FB
P 14900 6200
F 0 "D12" H 14900 6300 50  0000 C CNN
F 1 "LED" H 14900 6100 50  0000 C CNN
	1    14900 6200
	0    1    1    0   
$EndComp
$Comp
L R R69
U 1 1 509D85F8
P 13000 5650
F 0 "R69" V 13080 5650 50  0000 C CNN
F 1 "680R" V 12900 5650 50  0000 C CNN
	1    13000 5650
	-1   0    0    1   
$EndComp
$Comp
L LED D9
U 1 1 509D85F7
P 13000 6200
F 0 "D9" H 13000 6300 50  0000 C CNN
F 1 "LED" H 13000 6100 50  0000 C CNN
	1    13000 6200
	0    1    1    0   
$EndComp
$Comp
L R_SMALL R66
U 1 1 509AE2F6
P 15600 1900
F 0 "R66" V 15675 1908 50  0000 C CNN
F 1 "10k" V 15532 1912 50  0000 C CNN
	1    15600 1900
	1    0    0    -1  
$EndComp
Text GLabel 14800 7800 1    39   Input ~ 0
+3.3V
$Comp
L GND #PWR02
U 1 1 509056E6
P 14250 9850
F 0 "#PWR02" H 14250 9850 30  0001 C CNN
F 1 "GND" H 14250 9780 30  0001 C CNN
	1    14250 9850
	1    0    0    -1  
$EndComp
Text GLabel 14900 5150 1    39   Input ~ 0
+3.3V
$Comp
L GND #PWR03
U 1 1 509056A4
P 14250 7200
F 0 "#PWR03" H 14250 7200 30  0001 C CNN
F 1 "GND" H 14250 7130 30  0001 C CNN
	1    14250 7200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 509056A1
P 12350 7200
F 0 "#PWR04" H 12350 7200 30  0001 C CNN
F 1 "GND" H 12350 7130 30  0001 C CNN
	1    12350 7200
	1    0    0    -1  
$EndComp
Text GLabel 13000 5150 1    39   Input ~ 0
+3.3V
Text GLabel 14050 9150 0    39   Output ~ 0
E0_STOP
Text GLabel 12150 9150 0    39   Output ~ 0
Z_STOP
Text GLabel 14050 6550 0    39   Output ~ 0
X_STOP
Text GLabel 12150 6550 0    39   Output ~ 0
Y_STOP
Text GLabel 13000 7800 1    39   Input ~ 0
+3.3V
$Comp
L C C55
U 1 1 5081B0CF
P 15250 1900
F 0 "C55" H 15300 2000 50  0000 L CNN
F 1 "0u1" H 15300 1800 50  0000 L CNN
	1    15250 1900
	1    0    0    -1  
$EndComp
$Comp
L A4982SLPTR U7
U 1 1 50659C40
P 8550 3700
F 0 "U7" H 8550 3700 60  0000 C CNN
F 1 "A4982SLPTR" H 8550 3553 60  0000 C CNN
	1    8550 3700
	1    0    0    -1  
$EndComp
$Comp
L A4982SLPTR U5
U 1 1 50659C38
P 3300 3700
F 0 "U5" H 3300 3700 60  0000 C CNN
F 1 "A4982SLPTR" H 3300 3553 60  0000 C CNN
	1    3300 3700
	1    0    0    -1  
$EndComp
$Comp
L A4982SLPTR U6
U 1 1 50659C31
P 3300 8900
F 0 "U6" H 3300 8900 60  0000 C CNN
F 1 "A4982SLPTR" H 3300 8753 60  0000 C CNN
	1    3300 8900
	1    0    0    -1  
$EndComp
$Comp
L A4982SLPTR U8
U 1 1 50659C20
P 8550 8900
F 0 "U8" H 8550 8900 60  0000 C CNN
F 1 "A4982SLPTR" H 8550 8753 60  0000 C CNN
	1    8550 8900
	1    0    0    -1  
$EndComp
$Comp
L JUMPER JP8
U 1 1 50659C00
P 7500 7550
F 0 "JP8" H 7500 7700 60  0000 C CNN
F 1 "JUMPER" H 7500 7470 40  0000 C CNN
	1    7500 7550
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP6
U 1 1 50659BFF
P 7100 7550
F 0 "JP6" H 7100 7700 60  0000 C CNN
F 1 "JUMPER" H 7100 7470 40  0000 C CNN
	1    7100 7550
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP5
U 1 1 50659BF8
P 7100 2350
F 0 "JP5" H 7100 2500 60  0000 C CNN
F 1 "JUMPER" H 7100 2270 40  0000 C CNN
	1    7100 2350
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP7
U 1 1 50659BF7
P 7500 2350
F 0 "JP7" H 7500 2500 60  0000 C CNN
F 1 "JUMPER" H 7500 2270 40  0000 C CNN
	1    7500 2350
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP3
U 1 1 50659BF0
P 2250 2350
F 0 "JP3" H 2250 2500 60  0000 C CNN
F 1 "JUMPER" H 2250 2270 40  0000 C CNN
	1    2250 2350
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP1
U 1 1 50659BEF
P 1850 2350
F 0 "JP1" H 1850 2500 60  0000 C CNN
F 1 "JUMPER" H 1850 2270 40  0000 C CNN
	1    1850 2350
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP2
U 1 1 50659BBB
P 1850 7550
F 0 "JP2" H 1850 7700 60  0000 C CNN
F 1 "JUMPER" H 1850 7470 40  0000 C CNN
	1    1850 7550
	0    -1   1    0   
$EndComp
$Comp
L JUMPER JP4
U 1 1 50659BAF
P 2250 7550
F 0 "JP4" H 2250 7700 60  0000 C CNN
F 1 "JUMPER" H 2250 7470 40  0000 C CNN
	1    2250 7550
	0    -1   1    0   
$EndComp
$Comp
L C_POL C23
U 1 1 50659B77
P 2650 6800
F 0 "C23" H 2675 6875 50  0000 L CNN
F 1 "100u" H 2650 6725 50  0000 L CNN
	1    2650 6800
	1    0    0    -1  
$EndComp
$Comp
L C_POL C33
U 1 1 50659B6B
P 7900 6800
F 0 "C33" H 7925 6875 50  0000 L CNN
F 1 "100u" H 7900 6725 50  0000 L CNN
	1    7900 6800
	1    0    0    -1  
$EndComp
$Comp
L C_POL C32
U 1 1 50659B59
P 7900 1600
F 0 "C32" H 7925 1675 50  0000 L CNN
F 1 "100u" H 7900 1525 50  0000 L CNN
	1    7900 1600
	1    0    0    -1  
$EndComp
$Comp
L C_POL C22
U 1 1 50659B49
P 2650 1600
F 0 "C22" H 2675 1675 50  0000 L CNN
F 1 "100u" H 2650 1525 50  0000 L CNN
	1    2650 1600
	1    0    0    -1  
$EndComp
Text GLabel 13200 9150 2    39   Output ~ 0
Z_STOP_CONN
$Comp
L R_SMALL R58
U 1 1 5065980C
P 12600 9150
F 0 "R58" V 12675 9158 50  0000 C CNN
F 1 "100R" V 12532 9162 50  0000 C CNN
	1    12600 9150
	0    -1   -1   0   
$EndComp
$Comp
L C_SMALL C42
U 1 1 5065980B
P 12350 9550
F 0 "C42" H 12375 9625 50  0000 L CNN
F 1 "0u1" H 12350 9475 50  0000 L CNN
	1    12350 9550
	1    0    0    -1  
$EndComp
$Comp
L C_SMALL C43
U 1 1 5065980A
P 14250 9550
F 0 "C43" H 14275 9625 50  0000 L CNN
F 1 "0u1" H 14250 9475 50  0000 L CNN
	1    14250 9550
	1    0    0    -1  
$EndComp
$Comp
L R_SMALL R59
U 1 1 50659809
P 14500 9150
F 0 "R59" V 14575 9158 50  0000 C CNN
F 1 "100R" V 14432 9162 50  0000 C CNN
	1    14500 9150
	0    -1   -1   0   
$EndComp
Text GLabel 15050 9150 2    39   Output ~ 0
E0_STOP_CONN
Text GLabel 13200 6550 2    39   Output ~ 0
Y_STOP_CONN
$Comp
L R_SMALL R57
U 1 1 506596A6
P 12650 6550
F 0 "R57" V 12725 6558 50  0000 C CNN
F 1 "100R" V 12582 6562 50  0000 C CNN
	1    12650 6550
	0    -1   -1   0   
$EndComp
$Comp
L C_SMALL C41
U 1 1 506596A5
P 12350 6900
F 0 "C41" H 12375 6975 50  0000 L CNN
F 1 "0u1" H 12350 6825 50  0000 L CNN
	1    12350 6900
	1    0    0    -1  
$EndComp
$Comp
L C_SMALL C40
U 1 1 5065966E
P 14250 6900
F 0 "C40" H 14275 6975 50  0000 L CNN
F 1 "0u1" H 14250 6825 50  0000 L CNN
	1    14250 6900
	1    0    0    -1  
$EndComp
$Comp
L R_SMALL R56
U 1 1 5065962A
P 14550 6550
F 0 "R56" V 14625 6558 50  0000 C CNN
F 1 "100R" V 14482 6562 50  0000 C CNN
	1    14550 6550
	0    -1   -1   0   
$EndComp
Text GLabel 15100 6550 2    39   Output ~ 0
X_STOP_CONN
$Comp
L R_SMALL R51
U 1 1 50658494
P 12450 2050
F 0 "R51" V 12525 2058 50  0000 C CNN
F 1 "4k7" V 12382 2062 50  0000 C CNN
	1    12450 2050
	1    0    0    -1  
$EndComp
$Comp
L R_SMALL R50
U 1 1 50658491
P 12200 2050
F 0 "R50" V 12275 2058 50  0000 C CNN
F 1 "4k7" V 12132 2062 50  0000 C CNN
	1    12200 2050
	1    0    0    -1  
$EndComp
Text Notes 11900 4600 0    60   ~ 0
Endstops.
Text Notes 13100 950  2    60   ~ 0
Digital Current Limit Control
Text Notes 5700 6200 2    60   ~ 0
Z-Axis Stepper Driver
Text Notes 11000 6200 2    60   ~ 0
Extruder Stepper Driver
Text Notes 11000 1000 2    60   ~ 0
Y-Axis Stepper Driver
Text Notes 5700 1000 2    60   ~ 0
X-Axis Stepper Driver
Text GLabel 5400 9250 2    60   UnSpc ~ 0
Z_REF
Text GLabel 10650 9250 2    60   UnSpc ~ 0
E0_REF
Text GLabel 10650 4050 2    60   UnSpc ~ 0
Y_REF
Text GLabel 5400 4050 2    60   UnSpc ~ 0
X_REF
Text GLabel 12100 2500 0    60   Input ~ 0
TWD0
Text GLabel 12150 2350 0    60   Input ~ 0
TWCK0
$Comp
L MCP44X1 U9
U 1 1 50620E1C
P 13750 2350
F 0 "U9" H 13600 1700 60  0000 C CNN
F 1 "MCP44X1" H 13750 2350 60  0000 C CNN
	1    13750 2350
	1    0    0    -1  
$EndComp
Text GLabel 12950 2050 0    60   UnSpc ~ 0
Y_REF
Text GLabel 12150 2750 0    60   UnSpc ~ 0
X_REF
Text GLabel 15300 2750 2    60   UnSpc ~ 0
E0_REF
Text GLabel 14650 2050 2    60   UnSpc ~ 0
Z_REF
$Comp
L GND #PWR05
U 1 1 50620C89
P 13750 3600
F 0 "#PWR05" H 13750 3600 30  0001 C CNN
F 1 "GND" H 13750 3530 30  0001 C CNN
	1    13750 3600
	1    0    0    -1  
$EndComp
Text GLabel 13750 1150 1    60   Input ~ 0
+3.3V
Text GLabel 2250 3750 0    60   Output ~ 0
X_EN
Text GLabel 7500 3750 0    60   Output ~ 0
Y_EN
Text GLabel 7500 8950 0    60   Output ~ 0
E0_EN
Text GLabel 2250 8950 0    60   Output ~ 0
Z_EN
$Comp
L GND #PWR06
U 1 1 505A09C9
P 1650 10700
F 0 "#PWR06" H 1650 10700 30  0001 C CNN
F 1 "GND" H 1650 10630 30  0001 C CNN
	1    1650 10700
	1    0    0    -1  
$EndComp
$Comp
L R R33
U 1 1 505A09C8
P 4350 10100
F 0 "R33" V 4430 10100 50  0000 C CNN
F 1 "0R1" V 4350 10100 50  0000 C CNN
	1    4350 10100
	1    0    0    -1  
$EndComp
$Comp
L R R35
U 1 1 505A09C7
P 4750 10100
F 0 "R35" V 4830 10100 50  0000 C CNN
F 1 "0R1" V 4750 10100 50  0000 C CNN
	1    4750 10100
	1    0    0    -1  
$EndComp
$Comp
L C C29
U 1 1 505A09C6
P 4600 8850
F 0 "C29" H 4650 8950 50  0000 L CNN
F 1 "0u1" H 4650 8750 50  0000 L CNN
	1    4600 8850
	1    0    0    -1  
$EndComp
$Comp
L C C21
U 1 1 505A09C5
P 1900 10200
F 0 "C21" H 1950 10300 50  0000 L CNN
F 1 "0u22" H 1950 10100 50  0000 L CNN
	1    1900 10200
	1    0    0    -1  
$EndComp
$Comp
L R R31
U 1 1 505A09C4
P 2250 10200
F 0 "R31" V 2330 10200 50  0000 C CNN
F 1 "0R" V 2250 10200 50  0000 C CNN
	1    2250 10200
	1    0    0    -1  
$EndComp
$Comp
L C C25
U 1 1 505A09C0
P 3100 7150
F 0 "C25" H 3150 7250 50  0000 L CNN
F 1 "0u1" H 3150 7050 50  0000 L CNN
	1    3100 7150
	0    -1   -1   0   
$EndComp
$Comp
L R R29
U 1 1 505A09BD
P 1950 9250
F 0 "R29" V 2030 9250 50  0000 C CNN
F 1 "10k" V 1950 9250 50  0000 C CNN
	1    1950 9250
	0    -1   -1   0   
$EndComp
$Comp
L C C27
U 1 1 505A09BC
P 4100 7150
F 0 "C27" H 4150 7250 50  0000 L CNN
F 1 "0u22" H 4150 7050 50  0000 L CNN
	1    4100 7150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 505A09BB
P 4100 7550
F 0 "#PWR07" H 4100 7550 30  0001 C CNN
F 1 "GND" H 4100 7480 30  0001 C CNN
	1    4100 7550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR08
U 1 1 505A09B9
P 2650 7200
F 0 "#PWR08" H 2650 7200 30  0001 C CNN
F 1 "GND" H 2650 7130 30  0001 C CNN
	1    2650 7200
	1    0    0    -1  
$EndComp
$Comp
L R R28
U 1 1 505A09B8
P 1950 8800
F 0 "R28" V 2030 8800 50  0000 C CNN
F 1 "100k" V 1950 8800 50  0000 C CNN
	1    1950 8800
	0    -1   -1   0   
$EndComp
Text GLabel 1450 8550 1    60   Input ~ 0
+3.3V
Text GLabel 2050 6750 1    60   Input ~ 0
+3.3V
Text GLabel 3600 6600 1    60   Input ~ 0
+3.3V
Text GLabel 3400 6350 1    60   Input ~ 0
V_IN
Text GLabel 2250 8450 0    60   Input ~ 0
Z_STEP
Text GLabel 2250 8600 0    60   Input ~ 0
Z_DIR
Text GLabel 4350 8050 2    60   Output ~ 0
Z_MOT_1A
Text GLabel 4350 8200 2    60   Output ~ 0
Z_MOT_1B
Text GLabel 4350 8350 2    60   Output ~ 0
Z_MOT_2A
Text GLabel 4350 8500 2    60   Output ~ 0
Z_MOT_2B
Text GLabel 9600 8500 2    60   Output ~ 0
E0_MOT_2B
Text GLabel 9600 8350 2    60   Output ~ 0
E0_MOT_2A
Text GLabel 9600 8200 2    60   Output ~ 0
E0_MOT_1B
Text GLabel 9600 8050 2    60   Output ~ 0
E0_MOT_1A
Text GLabel 7500 8600 0    60   Input ~ 0
E0_DIR
Text GLabel 7500 8450 0    60   Input ~ 0
E0_STEP
Text GLabel 8650 6350 1    60   Input ~ 0
V_IN
Text GLabel 8850 6600 1    60   Input ~ 0
+3.3V
Text GLabel 7300 6750 1    60   Input ~ 0
+3.3V
Text GLabel 6700 8550 1    60   Input ~ 0
+3.3V
$Comp
L R R40
U 1 1 505A09B7
P 7200 8800
F 0 "R40" V 7280 8800 50  0000 C CNN
F 1 "100k" V 7200 8800 50  0000 C CNN
	1    7200 8800
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR09
U 1 1 505A09B6
P 7900 7200
F 0 "#PWR09" H 7900 7200 30  0001 C CNN
F 1 "GND" H 7900 7130 30  0001 C CNN
	1    7900 7200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR010
U 1 1 505A09B4
P 9350 7550
F 0 "#PWR010" H 9350 7550 30  0001 C CNN
F 1 "GND" H 9350 7480 30  0001 C CNN
	1    9350 7550
	1    0    0    -1  
$EndComp
$Comp
L C C37
U 1 1 505A09B3
P 9350 7150
F 0 "C37" H 9400 7250 50  0000 L CNN
F 1 "0u22" H 9400 7050 50  0000 L CNN
	1    9350 7150
	1    0    0    -1  
$EndComp
$Comp
L R R41
U 1 1 505A09B2
P 7200 9250
F 0 "R41" V 7280 9250 50  0000 C CNN
F 1 "10k" V 7200 9250 50  0000 C CNN
	1    7200 9250
	0    -1   -1   0   
$EndComp
$Comp
L C C35
U 1 1 505A09AF
P 8350 7150
F 0 "C35" H 8400 7250 50  0000 L CNN
F 1 "0u1" H 8400 7050 50  0000 L CNN
	1    8350 7150
	0    -1   -1   0   
$EndComp
$Comp
L R R43
U 1 1 505A09AB
P 7500 10200
F 0 "R43" V 7580 10200 50  0000 C CNN
F 1 "0R" V 7500 10200 50  0000 C CNN
	1    7500 10200
	1    0    0    -1  
$EndComp
$Comp
L C C31
U 1 1 505A09AA
P 7150 10200
F 0 "C31" H 7200 10300 50  0000 L CNN
F 1 "0u22" H 7200 10100 50  0000 L CNN
	1    7150 10200
	1    0    0    -1  
$EndComp
$Comp
L C C39
U 1 1 505A09A9
P 9850 8850
F 0 "C39" H 9900 8950 50  0000 L CNN
F 1 "0u1" H 9900 8750 50  0000 L CNN
F 2 "0603" H 9850 8850 60  0001 C CNN
	1    9850 8850
	1    0    0    -1  
$EndComp
$Comp
L R R47
U 1 1 505A09A8
P 10000 10100
F 0 "R47" V 10080 10100 50  0000 C CNN
F 1 "0R1" V 10000 10100 50  0000 C CNN
	1    10000 10100
	1    0    0    -1  
$EndComp
$Comp
L R R45
U 1 1 505A09A7
P 9600 10100
F 0 "R45" V 9680 10100 50  0000 C CNN
F 1 "0R1" V 9600 10100 50  0000 C CNN
	1    9600 10100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 505A09A6
P 6900 10700
F 0 "#PWR011" H 6900 10700 30  0001 C CNN
F 1 "GND" H 6900 10630 30  0001 C CNN
	1    6900 10700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR012
U 1 1 505A0991
P 6900 5500
F 0 "#PWR012" H 6900 5500 30  0001 C CNN
F 1 "GND" H 6900 5430 30  0001 C CNN
	1    6900 5500
	1    0    0    -1  
$EndComp
$Comp
L R R44
U 1 1 505A0990
P 9600 4900
F 0 "R44" V 9680 4900 50  0000 C CNN
F 1 "0R1" V 9600 4900 50  0000 C CNN
	1    9600 4900
	1    0    0    -1  
$EndComp
$Comp
L R R46
U 1 1 505A098F
P 10000 4900
F 0 "R46" V 10080 4900 50  0000 C CNN
F 1 "0R1" V 10000 4900 50  0000 C CNN
	1    10000 4900
	1    0    0    -1  
$EndComp
$Comp
L C C38
U 1 1 505A098E
P 9850 3650
F 0 "C38" H 9900 3750 50  0000 L CNN
F 1 "0u1" H 9900 3550 50  0000 L CNN
	1    9850 3650
	1    0    0    -1  
$EndComp
$Comp
L C C30
U 1 1 505A098D
P 7150 5000
F 0 "C30" H 7200 5100 50  0000 L CNN
F 1 "0u22" H 7200 4900 50  0000 L CNN
	1    7150 5000
	1    0    0    -1  
$EndComp
$Comp
L R R42
U 1 1 505A098C
P 7500 5000
F 0 "R42" V 7580 5000 50  0000 C CNN
F 1 "0R" V 7500 5000 50  0000 C CNN
	1    7500 5000
	1    0    0    -1  
$EndComp
$Comp
L C C34
U 1 1 505A0988
P 8350 1950
F 0 "C34" H 8400 2050 50  0000 L CNN
F 1 "0u1" H 8400 1850 50  0000 L CNN
	1    8350 1950
	0    -1   -1   0   
$EndComp
$Comp
L R R39
U 1 1 505A0985
P 7200 4050
F 0 "R39" V 7280 4050 50  0000 C CNN
F 1 "10k" V 7200 4050 50  0000 C CNN
	1    7200 4050
	0    -1   -1   0   
$EndComp
$Comp
L C C36
U 1 1 505A0984
P 9350 1950
F 0 "C36" H 9400 2050 50  0000 L CNN
F 1 "0u22" H 9400 1850 50  0000 L CNN
	1    9350 1950
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR013
U 1 1 505A0983
P 9350 2350
F 0 "#PWR013" H 9350 2350 30  0001 C CNN
F 1 "GND" H 9350 2280 30  0001 C CNN
	1    9350 2350
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR014
U 1 1 505A0981
P 7900 2000
F 0 "#PWR014" H 7900 2000 30  0001 C CNN
F 1 "GND" H 7900 1930 30  0001 C CNN
	1    7900 2000
	1    0    0    -1  
$EndComp
$Comp
L R R38
U 1 1 505A0980
P 7200 3600
F 0 "R38" V 7280 3600 50  0000 C CNN
F 1 "100k" V 7200 3600 50  0000 C CNN
F 2 "0603" H 7200 3600 60  0001 C CNN
	1    7200 3600
	0    -1   -1   0   
$EndComp
Text GLabel 6700 3350 1    60   Input ~ 0
+3.3V
Text GLabel 7300 1550 1    60   Input ~ 0
+3.3V
Text GLabel 8850 1400 1    60   Input ~ 0
+3.3V
Text GLabel 8650 1150 1    60   Input ~ 0
V_IN
Text GLabel 7500 3250 0    60   Input ~ 0
Y_STEP
Text GLabel 7500 3400 0    60   Input ~ 0
Y_DIR
Text GLabel 9600 2850 2    60   Output ~ 0
Y_MOT_1A
Text GLabel 9600 3000 2    60   Output ~ 0
Y_MOT_1B
Text GLabel 9600 3150 2    60   Output ~ 0
Y_MOT_2A
Text GLabel 9600 3300 2    60   Output ~ 0
Y_MOT_2B
Text GLabel 4350 3300 2    60   Output ~ 0
X_MOT_2B
Text GLabel 4350 3150 2    60   Output ~ 0
X_MOT_2A
Text GLabel 4350 3000 2    60   Output ~ 0
X_MOT_1B
Text GLabel 4350 2850 2    60   Output ~ 0
X_MOT_1A
Text GLabel 2250 3400 0    60   Input ~ 0
X_DIR
Text GLabel 2250 3250 0    60   Input ~ 0
X_STEP
Text GLabel 3400 1150 1    60   Input ~ 0
V_IN
Text GLabel 3600 1400 1    60   Input ~ 0
+3.3V
Text GLabel 2050 1550 1    60   Input ~ 0
+3.3V
Text GLabel 1450 3350 1    60   Input ~ 0
+3.3V
$Comp
L R R26
U 1 1 50579524
P 1950 3600
F 0 "R26" V 2030 3600 50  0000 C CNN
F 1 "100k" V 1950 3600 50  0000 C CNN
	1    1950 3600
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR015
U 1 1 505794D5
P 2650 2000
F 0 "#PWR015" H 2650 2000 30  0001 C CNN
F 1 "GND" H 2650 1930 30  0001 C CNN
	1    2650 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR016
U 1 1 5057946D
P 4100 2350
F 0 "#PWR016" H 4100 2350 30  0001 C CNN
F 1 "GND" H 4100 2280 30  0001 C CNN
	1    4100 2350
	1    0    0    -1  
$EndComp
$Comp
L C C26
U 1 1 5057945E
P 4100 1950
F 0 "C26" H 4150 2050 50  0000 L CNN
F 1 "0u22" H 4150 1850 50  0000 L CNN
	1    4100 1950
	1    0    0    -1  
$EndComp
$Comp
L R R27
U 1 1 5057943F
P 1950 4050
F 0 "R27" V 2030 4050 50  0000 C CNN
F 1 "10k" V 1950 4050 50  0000 C CNN
	1    1950 4050
	0    -1   -1   0   
$EndComp
$Comp
L C C24
U 1 1 5057936C
P 3100 1950
F 0 "C24" H 3150 2050 50  0000 L CNN
F 1 "0u1" H 3150 1850 50  0000 L CNN
	1    3100 1950
	0    -1   -1   0   
$EndComp
$Comp
L R R30
U 1 1 5057925B
P 2250 5000
F 0 "R30" V 2330 5000 50  0000 C CNN
F 1 "0R" V 2250 5000 50  0000 C CNN
	1    2250 5000
	1    0    0    -1  
$EndComp
$Comp
L C C20
U 1 1 50579249
P 1900 5000
F 0 "C20" H 1950 5100 50  0000 L CNN
F 1 "0u22" H 1950 4900 50  0000 L CNN
	1    1900 5000
	1    0    0    -1  
$EndComp
$Comp
L C C28
U 1 1 505791DD
P 4600 3650
F 0 "C28" H 4650 3750 50  0000 L CNN
F 1 "0u1" H 4650 3550 50  0000 L CNN
	1    4600 3650
	1    0    0    -1  
$EndComp
$Comp
L R R34
U 1 1 505791AC
P 4750 4900
F 0 "R34" V 4830 4900 50  0000 C CNN
F 1 "0R1" V 4750 4900 50  0000 C CNN
	1    4750 4900
	1    0    0    -1  
$EndComp
$Comp
L R R32
U 1 1 505791A8
P 4350 4900
F 0 "R32" V 4430 4900 50  0000 C CNN
F 1 "0R1" V 4350 4900 50  0000 C CNN
	1    4350 4900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR017
U 1 1 5057917D
P 1650 5500
F 0 "#PWR017" H 1650 5500 30  0001 C CNN
F 1 "GND" H 1650 5430 30  0001 C CNN
	1    1650 5500
	1    0    0    -1  
$EndComp
$EndSCHEMATC