EESchema Schematic File Version 4
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L stm32:STM32F070C6Tx U?
U 1 1 5A83BEDA
P 5850 3550
F 0 "U?" H 6650 1850 50  0000 C CNN
F 1 "STM32F070C6Tx" H 7050 1850 50  0000 C CNN
F 2 "Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm" H 8150 5125 50  0001 R TNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00141386.pdf" H 5850 3550 50  0001 C CNN
	1    5850 3550
	1    0    0    -1  
$EndComp
$Comp
L device:C C?
U 1 1 5A83BF48
P 9100 1300
F 0 "C?" H 9215 1346 50  0000 L CNN
F 1 "100n" H 9215 1255 50  0000 L CNN
F 2 "" H 9138 1150 50  0001 C CNN
F 3 "" H 9100 1300 50  0001 C CNN
	1    9100 1300
	1    0    0    -1  
$EndComp
$Comp
L device:C C?
U 1 1 5A83C0DE
P 9400 1300
F 0 "C?" H 9515 1346 50  0000 L CNN
F 1 "100n" H 9515 1255 50  0000 L CNN
F 2 "" H 9438 1150 50  0001 C CNN
F 3 "" H 9400 1300 50  0001 C CNN
	1    9400 1300
	1    0    0    -1  
$EndComp
$Comp
L device:C C?
U 1 1 5A83C0FA
P 9700 1300
F 0 "C?" H 9815 1346 50  0000 L CNN
F 1 "C" H 9815 1255 50  0000 L CNN
F 2 "" H 9738 1150 50  0001 C CNN
F 3 "" H 9700 1300 50  0001 C CNN
	1    9700 1300
	1    0    0    -1  
$EndComp
$Comp
L device:C C?
U 1 1 5A83C11A
P 10000 1300
F 0 "C?" H 10115 1346 50  0000 L CNN
F 1 "100n" H 10115 1255 50  0000 L CNN
F 2 "" H 10038 1150 50  0001 C CNN
F 3 "" H 10000 1300 50  0001 C CNN
	1    10000 1300
	1    0    0    -1  
$EndComp
$Comp
L device:C C?
U 1 1 5A83C13E
P 10300 1300
F 0 "C?" H 10415 1346 50  0000 L CNN
F 1 "100n" H 10415 1255 50  0000 L CNN
F 2 "" H 10338 1150 50  0001 C CNN
F 3 "" H 10300 1300 50  0001 C CNN
	1    10300 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 1150 9100 1050
Wire Wire Line
	9400 1050 9400 1150
Wire Wire Line
	9400 1050 9700 1050
Wire Wire Line
	9700 1050 9700 1150
Wire Wire Line
	9700 1050 10000 1050
Wire Wire Line
	10000 1050 10000 1150
Connection ~ 9700 1050
Wire Wire Line
	10000 1050 10300 1050
Wire Wire Line
	10300 1050 10300 1150
Connection ~ 10000 1050
$Comp
L power:+3.3V #PWR?
U 1 1 5A83C221
P 9100 900
F 0 "#PWR?" H 9100 750 50  0001 C CNN
F 1 "+3.3V" H 9115 1073 50  0000 C CNN
F 2 "" H 9100 900 50  0001 C CNN
F 3 "" H 9100 900 50  0001 C CNN
	1    9100 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 1050 9400 1050
Connection ~ 9400 1050
Wire Wire Line
	9100 1050 9100 900 
Connection ~ 9100 1050
$Comp
L power:GND #PWR?
U 1 1 5A83C397
P 9100 1550
F 0 "#PWR?" H 9100 1300 50  0001 C CNN
F 1 "GND" H 9105 1377 50  0000 C CNN
F 2 "" H 9100 1550 50  0001 C CNN
F 3 "" H 9100 1550 50  0001 C CNN
	1    9100 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 1450 9100 1500
Wire Wire Line
	9100 1500 9400 1500
Wire Wire Line
	9400 1500 9400 1450
Connection ~ 9100 1500
Wire Wire Line
	9100 1500 9100 1550
Wire Wire Line
	9400 1500 9700 1500
Wire Wire Line
	9700 1500 9700 1450
Connection ~ 9400 1500
Wire Wire Line
	9700 1500 10000 1500
Wire Wire Line
	10000 1500 10000 1450
Connection ~ 9700 1500
Wire Wire Line
	10000 1500 10300 1500
Wire Wire Line
	10300 1500 10300 1450
Connection ~ 10000 1500
$Comp
L device:C C?
U 1 1 5A83C880
P 10600 1300
F 0 "C?" H 10715 1346 50  0000 L CNN
F 1 "4.7µF" H 10715 1255 50  0000 L CNN
F 2 "" H 10638 1150 50  0001 C CNN
F 3 "" H 10600 1300 50  0001 C CNN
	1    10600 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 1050 10600 1050
Wire Wire Line
	10600 1050 10600 1150
Connection ~ 10300 1050
Wire Wire Line
	10300 1500 10600 1500
Wire Wire Line
	10600 1500 10600 1450
Connection ~ 10300 1500
Wire Notes Line
	8950 650  8950 1800
Wire Notes Line
	8950 1800 10850 1800
Wire Notes Line
	10850 1800 10850 650 
Wire Notes Line
	10850 650  8950 650 
Text Notes 8950 650  0    50   ~ 0
Decoupling
$Comp
L power:+3.3V #PWR?
U 1 1 5A83D011
P 5650 1400
F 0 "#PWR?" H 5650 1250 50  0001 C CNN
F 1 "+3.3V" H 5665 1573 50  0000 C CNN
F 2 "" H 5650 1400 50  0001 C CNN
F 3 "" H 5650 1400 50  0001 C CNN
	1    5650 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 1400 5650 1700
Wire Wire Line
	5750 1850 5750 1700
Wire Wire Line
	5750 1700 5650 1700
Connection ~ 5650 1700
Wire Wire Line
	5650 1700 5650 1850
Wire Wire Line
	5750 1700 5850 1700
Wire Wire Line
	5850 1700 5850 1850
Connection ~ 5750 1700
Wire Wire Line
	5850 1700 5950 1700
Wire Wire Line
	5950 1700 5950 1850
Connection ~ 5850 1700
$Comp
L power:GND #PWR?
U 1 1 5A83DD7C
P 5650 5450
F 0 "#PWR?" H 5650 5200 50  0001 C CNN
F 1 "GND" H 5655 5277 50  0000 C CNN
F 2 "" H 5650 5450 50  0001 C CNN
F 3 "" H 5650 5450 50  0001 C CNN
	1    5650 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 5250 5650 5350
Wire Wire Line
	5650 5350 5750 5350
Wire Wire Line
	5750 5350 5750 5250
Connection ~ 5650 5350
Wire Wire Line
	5650 5350 5650 5450
Wire Wire Line
	5750 5350 5850 5350
Wire Wire Line
	5850 5350 5850 5250
Connection ~ 5750 5350
Wire Wire Line
	5850 5350 5950 5350
Wire Wire Line
	5950 5350 5950 5250
Connection ~ 5850 5350
$Comp
L device:C C?
U 1 1 5A83F7F1
P 3100 2050
F 0 "C?" H 3215 2096 50  0000 L CNN
F 1 "100n" H 3215 2005 50  0000 L CNN
F 2 "" H 3138 1900 50  0001 C CNN
F 3 "" H 3100 2050 50  0001 C CNN
	1    3100 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 2250 3100 2250
Wire Wire Line
	3100 2250 3100 2200
$Comp
L power:GND #PWR?
U 1 1 5A8402C9
P 2600 1600
F 0 "#PWR?" H 2600 1350 50  0001 C CNN
F 1 "GND" H 2605 1427 50  0000 C CNN
F 2 "" H 2600 1600 50  0001 C CNN
F 3 "" H 2600 1600 50  0001 C CNN
	1    2600 1600
	-1   0    0    1   
$EndComp
$Comp
L switches:SW_Push SW?
U 1 1 5A840C21
P 2600 2000
F 0 "SW?" V 2646 1952 50  0000 R CNN
F 1 "SW_Push" V 2555 1952 50  0000 R CNN
F 2 "" H 2600 2200 50  0001 C CNN
F 3 "" H 2600 2200 50  0001 C CNN
	1    2600 2000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2600 2200 2600 2250
Wire Wire Line
	2600 2250 3100 2250
Connection ~ 3100 2250
Wire Wire Line
	2600 1800 2600 1700
Wire Wire Line
	3100 1700 2600 1700
Wire Wire Line
	3100 1700 3100 1900
Connection ~ 2600 1700
Wire Wire Line
	2600 1700 2600 1600
Text GLabel 2350 2250 0    50   Input ~ 0
NRST
Wire Wire Line
	2350 2250 2600 2250
Connection ~ 2600 2250
$Comp
L power:GND #PWR?
U 1 1 5A8452D6
P 3100 2450
F 0 "#PWR?" H 3100 2200 50  0001 C CNN
F 1 "GND" V 3105 2322 50  0000 R CNN
F 2 "" H 3100 2450 50  0001 C CNN
F 3 "" H 3100 2450 50  0001 C CNN
	1    3100 2450
	0    1    1    0   
$EndComp
Wire Wire Line
	3100 2450 3450 2450
Wire Wire Line
	5950 1700 6050 1700
Wire Wire Line
	6050 1700 6050 1850
Connection ~ 5950 1700
$EndSCHEMATC