EESchema Schematic File Version 2  date Fr 14 Jun 2013 06:04:08 CEST
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:mur-sat
LIBS:mpu-cache
EELAYER 25  0
EELAYER END
$Descr A4 11700 8267
encoding utf-8
Sheet 1 1
Title "MPU"
Date "14 jun 2013"
Rev "1"
Comp "mur.sat - A Space Art Project"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 10000 5250 0    60   ~ 0
PB15
Text Label 10000 5150 0    60   ~ 0
PB14
Text Label 10000 5050 0    60   ~ 0
PB13
Text Label 10000 4750 0    60   ~ 0
PB10
Text Label 10000 4650 0    60   ~ 0
PB9
Text Label 10000 4550 0    60   ~ 0
PB8
Text Label 10000 4950 0    60   ~ 0
PB12
Text Label 10000 4850 0    60   ~ 0
PB11
Wire Wire Line
	8000 1950 8000 2000
Connection ~ 4850 5650
Wire Wire Line
	4800 5650 5250 5650
Wire Wire Line
	9300 1750 9200 1750
Wire Wire Line
	9300 1550 9200 1550
Wire Wire Line
	4800 5400 5250 5400
Wire Wire Line
	5950 2000 5950 1950
Wire Wire Line
	2550 3900 2600 3900
Wire Wire Line
	2600 3900 2600 3950
Wire Wire Line
	2100 3900 2100 3850
Connection ~ 1700 6350
Wire Wire Line
	1750 6250 1700 6250
Wire Wire Line
	1700 6250 1700 6400
Wire Wire Line
	4100 2600 4100 2650
Wire Wire Line
	4100 2650 4050 2650
Wire Wire Line
	3250 3550 3200 3550
Wire Wire Line
	3200 3550 3200 3600
Wire Wire Line
	4100 3600 4100 3550
Wire Wire Line
	9900 2500 9950 2500
Wire Wire Line
	9950 2500 9950 2450
Wire Wire Line
	9900 3400 9950 3400
Wire Wire Line
	9950 3400 9950 3450
Wire Wire Line
	9100 4450 9050 4450
Wire Wire Line
	9050 4450 9050 4400
Wire Wire Line
	9900 5350 9950 5350
Wire Wire Line
	9950 5350 9950 5400
Wire Wire Line
	10000 4650 9900 4650
Wire Wire Line
	10000 4850 9900 4850
Wire Wire Line
	10000 5050 9900 5050
Wire Wire Line
	10000 5250 9900 5250
Wire Wire Line
	9100 5150 9000 5150
Wire Wire Line
	9100 4950 9000 4950
Wire Wire Line
	9100 4750 9000 4750
Wire Wire Line
	9000 4650 9100 4650
Wire Wire Line
	9000 3300 9100 3300
Wire Wire Line
	9000 3100 9100 3100
Wire Wire Line
	9000 2900 9100 2900
Wire Wire Line
	9000 2700 9100 2700
Wire Wire Line
	10000 3300 9900 3300
Wire Wire Line
	10000 3100 9900 3100
Wire Wire Line
	10000 2900 9900 2900
Wire Wire Line
	9900 2700 10000 2700
Wire Wire Line
	10000 2600 9900 2600
Wire Wire Line
	4150 2850 4050 2850
Wire Wire Line
	4150 3150 4050 3150
Wire Wire Line
	4150 3350 4050 3350
Wire Wire Line
	3250 3450 3150 3450
Wire Wire Line
	3250 3250 3150 3250
Wire Wire Line
	3250 3050 3150 3050
Wire Wire Line
	3250 2850 3150 2850
Wire Wire Line
	5150 3800 5250 3800
Wire Wire Line
	5150 3600 5250 3600
Wire Wire Line
	5150 3400 5250 3400
Wire Wire Line
	5250 3300 5150 3300
Wire Wire Line
	5250 3100 5150 3100
Wire Wire Line
	5250 2900 5150 2900
Wire Wire Line
	5250 2700 5150 2700
Wire Wire Line
	5250 2500 5150 2500
Wire Wire Line
	5250 2300 5150 2300
Wire Wire Line
	8200 5550 8100 5550
Wire Wire Line
	8200 5350 8100 5350
Wire Wire Line
	8200 5150 8100 5150
Wire Wire Line
	8200 4950 8100 4950
Wire Wire Line
	8100 4750 8200 4750
Wire Wire Line
	8200 4650 8100 4650
Wire Wire Line
	8100 4450 8200 4450
Wire Wire Line
	8100 4250 8200 4250
Wire Wire Line
	8200 3800 8100 3800
Wire Wire Line
	8200 3600 8100 3600
Wire Wire Line
	8100 3200 8200 3200
Wire Wire Line
	8100 3000 8200 3000
Wire Wire Line
	8100 2800 8200 2800
Wire Wire Line
	8100 2600 8200 2600
Wire Wire Line
	8100 2400 8200 2400
Wire Wire Line
	2100 4550 2100 4600
Wire Wire Line
	2100 4600 2050 4600
Connection ~ 1950 1500
Wire Wire Line
	1950 1450 1950 1550
Connection ~ 5950 1500
Connection ~ 6550 1500
Wire Wire Line
	4300 2100 4300 2000
Wire Wire Line
	4550 1650 4550 1600
Wire Wire Line
	4550 1600 4600 1600
Connection ~ 4000 1500
Wire Wire Line
	4600 1500 3350 1500
Wire Wire Line
	2850 2000 2850 1950
Connection ~ 2300 1500
Wire Wire Line
	1950 1500 2350 1500
Connection ~ 3600 1500
Wire Wire Line
	3600 1550 3600 1500
Connection ~ 3600 2000
Wire Wire Line
	3600 2000 3600 1950
Wire Wire Line
	1750 6100 1700 6100
Wire Wire Line
	1700 6350 1750 6350
Wire Wire Line
	2450 4500 2450 4450
Wire Wire Line
	3500 4900 3500 4450
Connection ~ 2450 5350
Wire Wire Line
	2450 5000 2450 5350
Wire Wire Line
	3200 5100 2900 5100
Wire Wire Line
	2900 5100 2900 5150
Connection ~ 3100 5100
Wire Wire Line
	3100 5000 3100 5200
Wire Wire Line
	3500 5500 3500 5300
Wire Wire Line
	3100 5750 3100 5700
Wire Wire Line
	3200 6750 3200 6700
Connection ~ 3500 6100
Wire Wire Line
	3700 6100 3100 6100
Wire Wire Line
	3200 6250 3200 6300
Wire Wire Line
	4600 4300 4500 4300
Connection ~ 5150 4900
Wire Wire Line
	5000 4900 5250 4900
Connection ~ 5150 4300
Wire Wire Line
	5000 4300 5250 4300
Wire Wire Line
	4250 5650 4300 5650
Wire Wire Line
	8200 3500 8100 3500
Wire Wire Line
	7100 2000 7100 1950
Wire Wire Line
	7700 2000 7700 1950
Connection ~ 6850 1500
Wire Wire Line
	6850 1950 6850 1500
Connection ~ 6650 1500
Wire Wire Line
	6650 1500 6650 1950
Connection ~ 7400 1500
Wire Wire Line
	7400 1550 7400 1500
Wire Wire Line
	7700 1500 7700 1550
Wire Wire Line
	6850 6050 6850 6000
Wire Wire Line
	6650 6050 6650 6000
Wire Wire Line
	6400 6050 6400 6000
Wire Wire Line
	6550 6050 6550 6000
Wire Wire Line
	6750 6050 6750 6000
Wire Wire Line
	7100 1550 7100 1500
Connection ~ 7100 1500
Wire Wire Line
	6750 1950 6750 1500
Connection ~ 6750 1500
Wire Wire Line
	5950 1500 5950 1550
Wire Wire Line
	7400 2000 7400 1950
Wire Wire Line
	8100 3400 8200 3400
Wire Wire Line
	5250 5150 5150 5150
Wire Wire Line
	4850 6400 4850 6350
Wire Wire Line
	4600 4900 4500 4900
Wire Wire Line
	2500 6250 2600 6250
Wire Wire Line
	2500 6100 2600 6100
Wire Wire Line
	3700 6250 3100 6250
Connection ~ 3200 6250
Wire Wire Line
	3500 6750 3500 6700
Wire Wire Line
	3500 6000 3500 6300
Wire Wire Line
	2900 5750 2900 5550
Wire Wire Line
	2600 5350 2400 5350
Wire Wire Line
	1850 5350 1900 5350
Wire Wire Line
	3100 4500 3100 4450
Wire Wire Line
	2500 6350 2550 6350
Wire Wire Line
	2550 6350 2550 6400
Wire Wire Line
	3350 1800 3400 1800
Wire Wire Line
	3400 1800 3400 2000
Wire Wire Line
	3400 2000 3800 2000
Wire Wire Line
	3800 2000 3800 1800
Wire Wire Line
	3800 1800 3850 1800
Wire Wire Line
	4000 1500 4000 1550
Wire Wire Line
	2300 1500 2300 1800
Wire Wire Line
	2300 1800 2350 1800
Wire Wire Line
	1950 1950 1950 2000
Wire Wire Line
	4000 2100 4000 2050
Wire Wire Line
	5400 1600 5450 1600
Wire Wire Line
	5450 1600 5450 1650
Wire Wire Line
	4300 1600 4300 1500
Connection ~ 4300 1500
Wire Wire Line
	6550 1500 6550 1950
Connection ~ 6300 1500
Wire Wire Line
	6300 1450 6300 1950
Wire Wire Line
	2050 4800 2100 4800
Wire Wire Line
	2100 4800 2100 4850
Wire Wire Line
	8200 2300 8100 2300
Wire Wire Line
	8200 2500 8100 2500
Wire Wire Line
	8200 2700 8100 2700
Wire Wire Line
	8200 2900 8100 2900
Wire Wire Line
	8200 3100 8100 3100
Wire Wire Line
	8200 3300 8100 3300
Wire Wire Line
	8100 3700 8200 3700
Wire Wire Line
	8200 4150 8100 4150
Wire Wire Line
	8200 4350 8100 4350
Wire Wire Line
	8100 4550 8200 4550
Wire Wire Line
	8100 4850 8200 4850
Wire Wire Line
	8100 5050 8200 5050
Wire Wire Line
	8100 5250 8200 5250
Wire Wire Line
	8100 5450 8200 5450
Wire Wire Line
	8100 5650 8200 5650
Wire Wire Line
	5150 2400 5250 2400
Wire Wire Line
	5150 2600 5250 2600
Wire Wire Line
	5150 2800 5250 2800
Wire Wire Line
	5150 3000 5250 3000
Wire Wire Line
	5150 3200 5250 3200
Wire Wire Line
	5250 3500 5150 3500
Wire Wire Line
	5250 3700 5150 3700
Wire Wire Line
	3250 2750 3150 2750
Wire Wire Line
	3250 2950 3150 2950
Wire Wire Line
	3250 3150 3150 3150
Wire Wire Line
	3250 3350 3150 3350
Wire Wire Line
	4050 3450 4150 3450
Wire Wire Line
	4050 3250 4150 3250
Wire Wire Line
	4050 3050 4150 3050
Wire Wire Line
	4050 2950 4150 2950
Wire Wire Line
	4050 2750 4150 2750
Wire Wire Line
	9900 2800 10000 2800
Wire Wire Line
	9900 3000 10000 3000
Wire Wire Line
	9900 3200 10000 3200
Wire Wire Line
	9100 2600 9000 2600
Wire Wire Line
	9100 2800 9000 2800
Wire Wire Line
	9100 3000 9000 3000
Wire Wire Line
	9100 3200 9000 3200
Wire Wire Line
	9100 4550 9000 4550
Wire Wire Line
	9100 4850 9000 4850
Wire Wire Line
	9000 5050 9100 5050
Wire Wire Line
	9000 5250 9100 5250
Wire Wire Line
	9900 5150 10000 5150
Wire Wire Line
	9900 4950 10000 4950
Wire Wire Line
	9900 4750 10000 4750
Wire Wire Line
	9900 4550 10000 4550
Wire Wire Line
	9050 5400 9050 5350
Wire Wire Line
	9050 5350 9100 5350
Wire Wire Line
	9900 4450 9950 4450
Wire Wire Line
	9950 4450 9950 4400
Wire Wire Line
	9050 3450 9050 3400
Wire Wire Line
	9050 3400 9100 3400
Wire Wire Line
	9050 2450 9050 2500
Wire Wire Line
	9050 2500 9100 2500
Wire Wire Line
	4100 3550 4050 3550
Wire Wire Line
	3200 2600 3200 2650
Wire Wire Line
	3200 2650 3250 2650
Wire Wire Line
	5250 4100 5200 4100
Wire Wire Line
	5200 4100 5200 4050
Wire Wire Line
	2050 4100 2100 4100
Wire Wire Line
	2100 4100 2100 4150
Wire Wire Line
	2150 3900 2050 3900
Connection ~ 2100 3900
Wire Wire Line
	4300 5400 4250 5400
Wire Wire Line
	9250 1400 9250 1450
Wire Wire Line
	9250 1450 9300 1450
Wire Wire Line
	9200 1650 9300 1650
Wire Wire Line
	9250 1900 9250 1850
Wire Wire Line
	9250 1850 9300 1850
Wire Wire Line
	4850 5650 4850 5750
Wire Wire Line
	5400 1500 8000 1500
Wire Wire Line
	8000 1500 8000 1550
Connection ~ 7700 1500
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Text Label 9200 1650 2    60   ~ 0
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Text Label 9200 1750 2    60   ~ 0
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	1    0    0    -1  
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	1    0    0    -1  
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	1    0    0    -1  
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	0    -1   -1   0   
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	1    7700 1750
	1    0    0    -1  
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	1    2100 4150
	1    0    0    -1  
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	1    2100 3850
	1    0    0    -1  
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	1    5200 4050
	1    0    0    -1  
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	1    1700 4000
	-1   0    0    -1  
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	1    1700 6400
	1    0    0    -1  
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U 1 1 51B761A5
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	1    3200 3600
	1    0    0    -1  
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U 1 1 51B761A3
P 4100 3600
F 0 "#PWR012" H 4100 3600 30  0001 C CNN
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	1    4100 3600
	1    0    0    -1  
$EndComp
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U 1 1 51B7619B
P 9950 5400
F 0 "#PWR013" H 9950 5400 30  0001 C CNN
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	1    9950 5400
	1    0    0    -1  
$EndComp
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U 1 1 51B76199
P 9050 5400
F 0 "#PWR014" H 9050 5400 30  0001 C CNN
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	1    9050 5400
	1    0    0    -1  
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L GND #PWR015
U 1 1 51B76195
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	1    9050 3450
	1    0    0    -1  
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U 1 1 51B76190
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	1    9950 3450
	1    0    0    -1  
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U 1 1 51B76188
P 9950 4400
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	1    9950 4400
	1    0    0    -1  
$EndComp
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L VCC #PWR018
U 1 1 51B76186
P 9050 4400
F 0 "#PWR018" H 9050 4500 30  0001 C CNN
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	1    9050 4400
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR019
U 1 1 51B76181
P 9950 2450
F 0 "#PWR019" H 9950 2550 30  0001 C CNN
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	1    9950 2450
	1    0    0    -1  
$EndComp
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L VCC #PWR020
U 1 1 51B7617C
P 9050 2450
F 0 "#PWR020" H 9050 2550 30  0001 C CNN
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	1    9050 2450
	1    0    0    -1  
$EndComp
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L VCC #PWR021
U 1 1 51B76179
P 4100 2600
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	1    4100 2600
	1    0    0    -1  
$EndComp
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U 1 1 51B76175
P 3200 2600
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	1    3200 2600
	1    0    0    -1  
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Text Label 4150 3150 0    60   ~ 0
PC12
Text Label 4150 3250 0    60   ~ 0
PC13
Text Label 4150 3350 0    60   ~ 0
PC14
Text Label 4150 3450 0    60   ~ 0
PC15
Text Label 4150 3050 0    60   ~ 0
PC11
Text Label 4150 2950 0    60   ~ 0
PC10
Text Label 4150 2850 0    60   ~ 0
PC9
Text Label 4150 2750 0    60   ~ 0
PC8
Text Label 3150 2750 2    60   ~ 0
PC0
Text Label 3150 2850 2    60   ~ 0
PC1
Text Label 3150 2950 2    60   ~ 0
PC2
Text Label 3150 3050 2    60   ~ 0
PC3
Text Label 3150 3450 2    60   ~ 0
PC7
Text Label 3150 3350 2    60   ~ 0
PC6
Text Label 3150 3250 2    60   ~ 0
PC5
Text Label 3150 3150 2    60   ~ 0
PC4
Text Label 9000 4950 2    60   ~ 0
PB4
Text Label 9000 5050 2    60   ~ 0
PB5
Text Label 9000 5150 2    60   ~ 0
PB6
Text Label 9000 5250 2    60   ~ 0
PB7
Text Label 9000 4850 2    60   ~ 0
PB3
Text Label 9000 4750 2    60   ~ 0
PB2
Text Label 9000 4650 2    60   ~ 0
PB1
Text Label 9000 4550 2    60   ~ 0
PB0
Text Label 9000 2600 2    60   ~ 0
PA0
Text Label 9000 2700 2    60   ~ 0
PA1
Text Label 9000 2800 2    60   ~ 0
PA2
Text Label 9000 2900 2    60   ~ 0
PA3
Text Label 9000 3300 2    60   ~ 0
PA7
Text Label 9000 3200 2    60   ~ 0
PA6
Text Label 9000 3100 2    60   ~ 0
PA5
Text Label 9000 3000 2    60   ~ 0
PA4
Text Label 10000 2600 0    60   ~ 0
PA8
Text Label 10000 3100 0    60   ~ 0
PA13
Text Label 10000 3200 0    60   ~ 0
PA14
Text Label 10000 3300 0    60   ~ 0
PA15
Text Label 5150 3100 2    60   ~ 0
PC8
Text Label 5150 3200 2    60   ~ 0
PC9
Text Label 5150 3300 2    60   ~ 0
PC10
Text Label 5150 3400 2    60   ~ 0
PC11
Text Label 5150 3800 2    60   ~ 0
PC15
Text Label 5150 3700 2    60   ~ 0
PC14
Text Label 5150 3600 2    60   ~ 0
PC13
Text Label 5150 3500 2    60   ~ 0
PC12
Text Label 5150 2700 2    60   ~ 0
PC4
Text Label 5150 2800 2    60   ~ 0
PC5
Text Label 5150 2900 2    60   ~ 0
PC6
Text Label 5150 3000 2    60   ~ 0
PC7
Text Label 5150 2600 2    60   ~ 0
PC3
Text Label 5150 2500 2    60   ~ 0
PC2
Text Label 5150 2400 2    60   ~ 0
PC1
Text Label 5150 2300 2    60   ~ 0
PC0
Text Label 8200 5250 0    60   ~ 0
PB11
Text Label 8200 5350 0    60   ~ 0
PB12
Text Label 8200 4150 0    60   ~ 0
PB0
Text Label 8200 4250 0    60   ~ 0
PB1
Text Label 8200 4350 0    60   ~ 0
PB2
Text Label 8200 4450 0    60   ~ 0
PB3
Text Label 8200 4850 0    60   ~ 0
PB7
Text Label 8200 4750 0    60   ~ 0
PB6
Text Label 8200 4650 0    60   ~ 0
PB5
Text Label 8200 4550 0    60   ~ 0
PB4
Text Label 8200 4950 0    60   ~ 0
PB8
Text Label 8200 5050 0    60   ~ 0
PB9
Text Label 8200 5150 0    60   ~ 0
PB10
Text Label 8200 5450 0    60   ~ 0
PB13
Text Label 8200 5550 0    60   ~ 0
PB14
Text Label 8200 5650 0    60   ~ 0
PB15
Text Label 8200 3800 0    60   ~ 0
PA15
Text Label 8200 3700 0    60   ~ 0
PA14
Text Label 8200 3600 0    60   ~ 0
PA13
Text Label 8200 3100 0    60   ~ 0
PA8
Text Label 8200 2700 0    60   ~ 0
PA4
Text Label 8200 2800 0    60   ~ 0
PA5
Text Label 8200 2900 0    60   ~ 0
PA6
Text Label 8200 3000 0    60   ~ 0
PA7
Text Label 8200 2600 0    60   ~ 0
PA3
Text Label 8200 2500 0    60   ~ 0
PA2
Text Label 8200 2400 0    60   ~ 0
PA1
Text Label 8200 2300 0    60   ~ 0
PA0
$Comp
L GND #PWR023
U 1 1 51B75E66
P 2100 4850
F 0 "#PWR023" H 2100 4850 30  0001 C CNN
F 1 "GND" H 2100 4780 30  0001 C CNN
	1    2100 4850
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR024
U 1 1 51B75E5A
P 2100 4550
F 0 "#PWR024" H 2100 4640 20  0001 C CNN
F 1 "+5V" H 2100 4640 30  0000 C CNN
	1    2100 4550
	1    0    0    -1  
$EndComp
$Comp
L CONN_2 P5
U 1 1 51B75E54
P 1700 4700
F 0 "P5" V 1650 4700 40  0000 C CNN
F 1 "USB_PWR" V 1750 4700 40  0000 C CNN
	1    1700 4700
	-1   0    0    -1  
$EndComp
$Comp
L +5V #PWR025
U 1 1 51B75DA4
P 1950 1450
F 0 "#PWR025" H 1950 1540 20  0001 C CNN
F 1 "+5V" H 1950 1540 30  0000 C CNN
	1    1950 1450
	1    0    0    -1  
$EndComp
$Comp
L CONN_10X2 P6
U 1 1 51B75443
P 9500 4900
F 0 "P6" H 9500 5450 60  0000 C CNN
F 1 "PB" V 9500 4900 50  0000 C CNN
	1    9500 4900
	1    0    0    -1  
$EndComp
$Comp
L CONN_10X2 P2
U 1 1 51B7543F
P 9500 2950
F 0 "P2" H 9500 3500 60  0000 C CNN
F 1 "PA" V 9500 2950 50  0000 C CNN
	1    9500 2950
	1    0    0    -1  
$EndComp
$Comp
L CONN_10X2 P3
U 1 1 51B75430
P 3650 3100
F 0 "P3" H 3650 3650 60  0000 C CNN
F 1 "PC" V 3650 3100 50  0000 C CNN
	1    3650 3100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR026
U 1 1 51B75346
P 6400 6050
F 0 "#PWR026" H 6400 6050 30  0001 C CNN
F 1 "GND" H 6400 5980 30  0001 C CNN
	1    6400 6050
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR027
U 1 1 51B75338
P 6300 1450
F 0 "#PWR027" H 6300 1550 30  0001 C CNN
F 1 "VCC" H 6300 1550 30  0000 C CNN
	1    6300 1450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR028
U 1 1 51B752F4
P 5450 1650
F 0 "#PWR028" H 5450 1650 30  0001 C CNN
F 1 "GND" H 5450 1580 30  0001 C CNN
	1    5450 1650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR029
U 1 1 51B752F1
P 4550 1650
F 0 "#PWR029" H 4550 1650 30  0001 C CNN
F 1 "GND" H 4550 1580 30  0001 C CNN
	1    4550 1650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR030
U 1 1 51B752E8
P 4300 2100
F 0 "#PWR030" H 4300 2100 30  0001 C CNN
F 1 "GND" H 4300 2030 30  0001 C CNN
	1    4300 2100
	1    0    0    -1  
$EndComp
$Comp
L CONN_2X2 P1
U 1 1 51B752D5
P 5000 1550
F 0 "P1" H 5000 1700 50  0000 C CNN
F 1 "INT_PWR" H 5010 1420 40  0000 C CNN
	1    5000 1550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR031
U 1 1 51B752B9
P 1950 2000
F 0 "#PWR031" H 1950 2000 30  0001 C CNN
F 1 "GND" H 1950 1930 30  0001 C CNN
	1    1950 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR032
U 1 1 51B752B1
P 4000 2100
F 0 "#PWR032" H 4000 2100 30  0001 C CNN
F 1 "GND" H 4000 2030 30  0001 C CNN
	1    4000 2100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR033
U 1 1 51B752AE
P 2850 2000
F 0 "#PWR033" H 2850 2000 30  0001 C CNN
F 1 "GND" H 2850 1930 30  0001 C CNN
	1    2850 2000
	1    0    0    -1  
$EndComp
$Comp
L LTC1844 U1
U 1 1 51B7527F
P 2850 1650
F 0 "U1" H 2850 1900 60  0000 C CNN
F 1 "LTC1844" H 2850 1700 60  0000 C CNN
	1    2850 1650
	1    0    0    -1  
$EndComp
$Comp
L POT RV1
U 1 1 51B7526E
P 4000 1800
F 0 "RV1" H 4000 1700 50  0000 C CNN
F 1 "1M0" H 4000 1800 50  0000 C CNN
	1    4000 1800
	0    -1   -1   0   
$EndComp
$Comp
L C C2
U 1 1 51B75266
P 3600 1750
F 0 "C2" H 3600 1850 50  0000 L CNN
F 1 "1nF" H 3600 1650 50  0000 L CNN
	1    3600 1750
	1    0    0    -1  
$EndComp
$Comp
L CP1 C7
U 1 1 51B75262
P 4300 1800
F 0 "C7" H 4350 1900 50  0000 L CNN
F 1 "1µF" H 4350 1700 50  0000 L CNN
	1    4300 1800
	1    0    0    -1  
$EndComp
$Comp
L CP1 C1
U 1 1 51B7525E
P 1950 1750
F 0 "C1" H 2000 1850 50  0000 L CNN
F 1 "1µF" H 2000 1650 50  0000 L CNN
	1    1950 1750
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR034
U 1 1 51B66C94
P 1700 6100
F 0 "#PWR034" H 1700 6190 20  0001 C CNN
F 1 "+5V" H 1700 6190 30  0000 C CNN
	1    1700 6100
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR035
U 1 1 51B66C8B
P 2550 6400
F 0 "#PWR035" H 2550 6400 30  0001 C CNN
F 1 "GND" H 2550 6330 30  0001 C CNN
	1    2550 6400
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR036
U 1 1 51B66C4E
P 3100 4450
F 0 "#PWR036" H 3100 4540 20  0001 C CNN
F 1 "+5V" H 3100 4540 30  0000 C CNN
	1    3100 4450
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR037
U 1 1 51B66C41
P 2450 4450
F 0 "#PWR037" H 2450 4550 30  0001 C CNN
F 1 "VCC" H 2450 4550 30  0000 C CNN
	1    2450 4450
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR038
U 1 1 51B66C3D
P 3500 4450
F 0 "#PWR038" H 3500 4550 30  0001 C CNN
F 1 "VCC" H 3500 4550 30  0000 C CNN
	1    3500 4450
	1    0    0    -1  
$EndComp
Text Label 1850 5350 2    60   ~ 0
USB_DISC
$Comp
L GND #PWR039
U 1 1 51B66BED
P 3100 5750
F 0 "#PWR039" H 3100 5750 30  0001 C CNN
F 1 "GND" H 3100 5680 30  0001 C CNN
	1    3100 5750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR040
U 1 1 51B66BEC
P 2900 5750
F 0 "#PWR040" H 2900 5750 30  0001 C CNN
F 1 "GND" H 2900 5680 30  0001 C CNN
	1    2900 5750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR041
U 1 1 51B66B9A
P 3200 6750
F 0 "#PWR041" H 3200 6750 30  0001 C CNN
F 1 "GND" H 3200 6680 30  0001 C CNN
	1    3200 6750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR042
U 1 1 51B66B97
P 3500 6750
F 0 "#PWR042" H 3500 6750 30  0001 C CNN
F 1 "GND" H 3500 6680 30  0001 C CNN
	1    3500 6750
	1    0    0    -1  
$EndComp
$Comp
L C C12
U 1 1 51B66B6B
P 3500 6500
F 0 "C12" H 3550 6600 50  0000 L CNN
F 1 "33pF" H 3550 6400 50  0000 L CNN
	1    3500 6500
	1    0    0    -1  
$EndComp
$Comp
L C C11
U 1 1 51B66B63
P 3200 6500
F 0 "C11" H 3250 6600 50  0000 L CNN
F 1 "33pF" H 3250 6400 50  0000 L CNN
	1    3200 6500
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 51B66B53
P 2850 6250
F 0 "R9" V 2930 6250 50  0000 C CNN
F 1 "22R" V 2850 6250 50  0000 C CNN
	1    2850 6250
	0    -1   -1   0   
$EndComp
$Comp
L R R8
U 1 1 51B66B45
P 2850 6100
F 0 "R8" V 2930 6100 50  0000 C CNN
F 1 "22R" V 2850 6100 50  0000 C CNN
	1    2850 6100
	0    -1   -1   0   
$EndComp
$Comp
L R R7
U 1 1 51B66AFA
P 3500 5750
F 0 "R7" V 3580 5750 50  0000 C CNN
F 1 "1k5" V 3500 5750 50  0000 C CNN
	1    3500 5750
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 51B66AF7
P 3100 5450
F 0 "R4" V 3180 5450 50  0000 C CNN
F 1 "36k" V 3100 5450 50  0000 C CNN
	1    3100 5450
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 51B66AF4
P 3100 4750
F 0 "R2" V 3180 4750 50  0000 C CNN
F 1 "10k" V 3100 4750 50  0000 C CNN
	1    3100 4750
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 51B66AEF
P 2450 4750
F 0 "R1" V 2530 4750 50  0000 C CNN
F 1 "47k" V 2450 4750 50  0000 C CNN
	1    2450 4750
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 51B66AEB
P 2150 5350
F 0 "R3" V 2230 5350 50  0000 C CNN
F 1 "1k0" V 2150 5350 50  0000 C CNN
	1    2150 5350
	0    -1   -1   0   
$EndComp
Text Label 3700 6100 0    60   ~ 0
USB_DP
Text Label 3700 6250 0    60   ~ 0
USB_DM
$Comp
L USB J1
U 1 1 51B66A14
P 2150 5900
F 0 "J1" H 2400 6050 60  0000 C CNN
F 1 "USB" V 1900 6050 60  0000 C CNN
	1    2150 5900
	1    0    0    -1  
$EndComp
$Comp
L BC817-40 Q1
U 1 1 51B66A08
P 3400 5100
F 0 "Q1" H 3400 4951 40  0000 R CNN
F 1 "BC817-40" V 3650 5250 40  0000 R CNN
	1    3400 5100
	1    0    0    -1  
$EndComp
$Comp
L BC817-40 Q2
U 1 1 51B66A03
P 2800 5350
F 0 "Q2" H 2800 5201 40  0000 R CNN
F 1 "BC817-40" H 2800 5500 40  0000 R CNN
	1    2800 5350
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 51B66965
P 4800 4900
F 0 "C10" V 4700 5000 50  0000 L CNN
F 1 "22pF" V 4700 4650 50  0000 L CNN
	1    4800 4900
	0    1    1    0   
$EndComp
$Comp
L GND #PWR043
U 1 1 51B66964
P 4500 4900
F 0 "#PWR043" H 4500 4900 30  0001 C CNN
F 1 "GND" H 4500 4830 30  0001 C CNN
	1    4500 4900
	0    1    1    0   
$EndComp
Text Label 8200 3500 0    60   ~ 0
USB_DP
Text Label 8200 3400 0    60   ~ 0
USB_DM
$Comp
L GND #PWR044
U 1 1 51B668A7
P 4500 4300
F 0 "#PWR044" H 4500 4300 30  0001 C CNN
F 1 "GND" H 4500 4230 30  0001 C CNN
	1    4500 4300
	0    1    1    0   
$EndComp
$Comp
L GND #PWR045
U 1 1 51B668A2
P 4850 6400
F 0 "#PWR045" H 4850 6400 30  0001 C CNN
F 1 "GND" H 4850 6330 30  0001 C CNN
	1    4850 6400
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR046
U 1 1 51B66895
P 4250 5650
F 0 "#PWR046" H 4250 5750 30  0001 C CNN
F 1 "VCC" H 4250 5750 30  0000 C CNN
	1    4250 5650
	0    -1   -1   0   
$EndComp
$Comp
L R R6
U 1 1 51B66888
P 4550 5650
F 0 "R6" V 4630 5650 50  0000 C CNN
F 1 "10k" V 4550 5650 50  0000 C CNN
	1    4550 5650
	0    -1   -1   0   
$EndComp
$Comp
L SW_PUSH SW1
U 1 1 51B66880
P 4850 6050
F 0 "SW1" H 5000 6160 50  0000 C CNN
F 1 "SW_PUSH" H 4850 5970 50  0000 C CNN
	1    4850 6050
	0    -1   -1   0   
$EndComp
Text Label 5150 5150 2    60   ~ 0
USB_DISC
$Comp
L C C9
U 1 1 51B667D0
P 4800 4300
F 0 "C9" V 4700 4400 50  0000 L CNN
F 1 "22pF" V 4700 4050 50  0000 L CNN
	1    4800 4300
	0    1    1    0   
$EndComp
$Comp
L CRYSTAL X1
U 1 1 51B6679B
P 5150 4600
F 0 "X1" H 5150 4750 60  0000 C CNN
F 1 "8 MHz" V 5150 4350 60  0000 C CNN
	1    5150 4600
	0    1    1    0   
$EndComp
$Comp
L GND #PWR047
U 1 1 51B66778
P 7700 2000
F 0 "#PWR047" H 7700 2000 30  0001 C CNN
F 1 "GND" H 7700 1930 30  0001 C CNN
	1    7700 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR048
U 1 1 51B66776
P 7400 2000
F 0 "#PWR048" H 7400 2000 30  0001 C CNN
F 1 "GND" H 7400 1930 30  0001 C CNN
	1    7400 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR049
U 1 1 51B66770
P 7100 2000
F 0 "#PWR049" H 7100 2000 30  0001 C CNN
F 1 "GND" H 7100 1930 30  0001 C CNN
	1    7100 2000
	1    0    0    -1  
$EndComp
$Comp
L C C3
U 1 1 51B666EA
P 5950 1750
F 0 "C3" H 6000 1850 50  0000 L CNN
F 1 "100nF" H 6000 1650 50  0000 L CNN
	1    5950 1750
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 51B666E2
P 7100 1750
F 0 "C4" H 7150 1850 50  0000 L CNN
F 1 "100nF" H 7150 1650 50  0000 L CNN
	1    7100 1750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR050
U 1 1 51B66330
P 6850 6050
F 0 "#PWR050" H 6850 6050 30  0001 C CNN
F 1 "GND" H 6850 5980 30  0001 C CNN
	1    6850 6050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR051
U 1 1 51B6632F
P 6750 6050
F 0 "#PWR051" H 6750 6050 30  0001 C CNN
F 1 "GND" H 6750 5980 30  0001 C CNN
	1    6750 6050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR052
U 1 1 51B6632E
P 6650 6050
F 0 "#PWR052" H 6650 6050 30  0001 C CNN
F 1 "GND" H 6650 5980 30  0001 C CNN
	1    6650 6050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR053
U 1 1 51B66329
P 6550 6050
F 0 "#PWR053" H 6550 6050 30  0001 C CNN
F 1 "GND" H 6550 5980 30  0001 C CNN
	1    6550 6050
	1    0    0    -1  
$EndComp
$Comp
L STM32F103RETx IC1
U 1 1 51B66308
P 6650 3950
F 0 "IC1" H 6650 3900 60  0000 C CNN
F 1 "STM32F103RETx" H 6650 4000 60  0001 C CNN
	1    6650 3950
	1    0    0    -1  
$EndComp
$EndSCHEMATC