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 MCU_ST_STM32F4:STM32F411CEUx U?
U 1 1 636C0193
P 3500 3350
F 0 "U?" H 3450 5031 50  0000 C CNN
F 1 "STM32F411CEU6" H 3450 4940 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm" H 2900 1850 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00115249.pdf" H 3500 3350 50  0001 C CNN
	1    3500 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y?
U 1 1 636CBE2D
P 1750 2600
F 0 "Y?" V 1704 2731 50  0000 L CNN
F 1 "25MHz 9PF" V 1795 2731 50  0000 L CNN
F 2 "" H 1750 2600 50  0001 C CNN
F 3 "~" H 1750 2600 50  0001 C CNN
	1    1750 2600
	0    1    1    0   
$EndComp
Wire Wire Line
	2800 2750 1750 2750
Wire Wire Line
	2800 2650 2200 2650
Wire Wire Line
	2200 2650 2200 2450
Wire Wire Line
	2200 2450 1750 2450
$Comp
L Device:C C?
U 1 1 636D2CC5
P 1350 2450
F 0 "C?" V 1098 2450 50  0000 C CNN
F 1 "12pF" V 1189 2450 50  0000 C CNN
F 2 "" H 1388 2300 50  0001 C CNN
F 3 "~" H 1350 2450 50  0001 C CNN
	1    1350 2450
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 636D36F6
P 1350 2750
F 0 "C?" V 1098 2750 50  0000 C CNN
F 1 "12.4pF" V 1189 2750 50  0000 C CNN
F 2 "" H 1388 2600 50  0001 C CNN
F 3 "~" H 1350 2750 50  0001 C CNN
	1    1350 2750
	0    1    1    0   
$EndComp
Wire Wire Line
	1750 2750 1500 2750
Connection ~ 1750 2750
Wire Wire Line
	1750 2450 1500 2450
Connection ~ 1750 2450
Wire Wire Line
	1200 2450 1000 2450
Wire Wire Line
	1000 2750 1200 2750
$Comp
L Device:Crystal Y?
U 1 1 636DD6B1
P 1750 3200
F 0 "Y?" V 1704 3331 50  0000 L CNN
F 1 "32.768kHz +-20ppm 6pF" V 1795 3331 50  0000 L CNN
F 2 "" H 1750 3200 50  0001 C CNN
F 3 "~" H 1750 3200 50  0001 C CNN
	1    1750 3200
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 636DD6BB
P 1350 3050
F 0 "C?" V 1098 3050 50  0000 C CNN
F 1 "4.3pF" V 1189 3050 50  0000 C CNN
F 2 "" H 1388 2900 50  0001 C CNN
F 3 "~" H 1350 3050 50  0001 C CNN
	1    1350 3050
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 636DD6C1
P 1350 3350
F 0 "C?" V 1098 3350 50  0000 C CNN
F 1 "4.3pF" V 1189 3350 50  0000 C CNN
F 2 "" H 1388 3200 50  0001 C CNN
F 3 "~" H 1350 3350 50  0001 C CNN
	1    1350 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	1750 3350 1500 3350
Wire Wire Line
	1750 3050 1500 3050
Wire Wire Line
	1200 3050 1000 3050
Wire Wire Line
	1000 3350 1200 3350
Wire Wire Line
	2800 3050 1750 3050
Connection ~ 1750 3050
Wire Wire Line
	2800 3150 2200 3150
Wire Wire Line
	2200 3150 2200 3350
Wire Wire Line
	2200 3350 1750 3350
Connection ~ 1750 3350
$Comp
L power:GND #PWR?
U 1 1 636DFFB5
P 1000 2450
F 0 "#PWR?" H 1000 2200 50  0001 C CNN
F 1 "GND" V 1005 2322 50  0000 R CNN
F 2 "" H 1000 2450 50  0001 C CNN
F 3 "" H 1000 2450 50  0001 C CNN
	1    1000 2450
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 636E09A4
P 1000 2750
F 0 "#PWR?" H 1000 2500 50  0001 C CNN
F 1 "GND" V 1005 2622 50  0000 R CNN
F 2 "" H 1000 2750 50  0001 C CNN
F 3 "" H 1000 2750 50  0001 C CNN
	1    1000 2750
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 636E0DA5
P 1000 3050
F 0 "#PWR?" H 1000 2800 50  0001 C CNN
F 1 "GND" V 1005 2922 50  0000 R CNN
F 2 "" H 1000 3050 50  0001 C CNN
F 3 "" H 1000 3050 50  0001 C CNN
	1    1000 3050
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 636E14E0
P 1000 3350
F 0 "#PWR?" H 1000 3100 50  0001 C CNN
F 1 "GND" V 1005 3222 50  0000 R CNN
F 2 "" H 1000 3350 50  0001 C CNN
F 3 "" H 1000 3350 50  0001 C CNN
	1    1000 3350
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 636E33C9
P 1350 2000
F 0 "C?" V 1098 2000 50  0000 C CNN
F 1 "2.2uF" V 1189 2000 50  0000 C CNN
F 2 "" H 1388 1850 50  0001 C CNN
F 3 "~" H 1350 2000 50  0001 C CNN
	1    1350 2000
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 636E38F6
P 1000 2000
F 0 "#PWR?" H 1000 1750 50  0001 C CNN
F 1 "GND" V 1005 1872 50  0000 R CNN
F 2 "" H 1000 2000 50  0001 C CNN
F 3 "" H 1000 2000 50  0001 C CNN
	1    1000 2000
	0    1    1    0   
$EndComp
Wire Wire Line
	1200 2000 1000 2000
Wire Wire Line
	1500 2000 2400 2000
Wire Wire Line
	2400 2000 2400 2450
Wire Wire Line
	2400 2450 2800 2450
Wire Wire Line
	2800 2250 2600 2250
Wire Wire Line
	2600 2250 2600 1850
Wire Wire Line
	2600 1850 1850 1850
Text Label 1850 1850 0    50   ~ 0
BOOT0
Wire Wire Line
	2800 2050 2700 2050
Wire Wire Line
	2700 2050 2700 1700
Wire Wire Line
	2700 1700 1850 1700
Text Label 1850 1700 0    50   ~ 0
NRST
Wire Wire Line
	3300 1850 3300 1250
Wire Wire Line
	3400 1850 3400 1250
Wire Wire Line
	3500 1850 3500 1250
Wire Wire Line
	3500 1250 3400 1250
Connection ~ 3400 1250
Wire Wire Line
	3400 1250 3400 800 
Wire Wire Line
	3600 1850 3600 1250
Wire Wire Line
	3600 1250 3500 1250
Connection ~ 3500 1250
$Comp
L power:+3.3V #PWR?
U 1 1 636EA5AD
P 3400 800
F 0 "#PWR?" H 3400 650 50  0001 C CNN
F 1 "+3.3V" H 3415 973 50  0000 C CNN
F 2 "" H 3400 800 50  0001 C CNN
F 3 "" H 3400 800 50  0001 C CNN
	1    3400 800 
	1    0    0    -1  
$EndComp
Text Label 3300 1400 1    50   ~ 0
VBAT
Wire Wire Line
	3700 1850 3700 1250
Wire Wire Line
	3700 1250 3900 1250
$Comp
L Device:L L?
U 1 1 636ECAC3
P 4150 1250
F 0 "L?" V 3969 1250 50  0000 C CNN
F 1 "10uH+-10%" V 4060 1250 50  0000 C CNN
F 2 "" H 4150 1250 50  0001 C CNN
F 3 "~" H 4150 1250 50  0001 C CNN
	1    4150 1250
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 636EDF02
P 4400 1250
F 0 "#PWR?" H 4400 1100 50  0001 C CNN
F 1 "+3.3V" V 4415 1378 50  0000 L CNN
F 2 "" H 4400 1250 50  0001 C CNN
F 3 "" H 4400 1250 50  0001 C CNN
	1    4400 1250
	0    1    1    0   
$EndComp
Wire Wire Line
	4400 1250 4300 1250
$Comp
L power:GND #PWR?
U 1 1 636EF85F
P 3900 1700
F 0 "#PWR?" H 3900 1450 50  0001 C CNN
F 1 "GND" H 3905 1527 50  0000 C CNN
F 2 "" H 3900 1700 50  0001 C CNN
F 3 "" H 3900 1700 50  0001 C CNN
	1    3900 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 636F02FC
P 3900 1500
F 0 "C?" H 4015 1546 50  0000 L CNN
F 1 "100nF" H 4015 1455 50  0000 L CNN
F 2 "" H 3938 1350 50  0001 C CNN
F 3 "~" H 3900 1500 50  0001 C CNN
	1    3900 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3900 1650 3900 1700
Wire Wire Line
	3900 1350 3900 1250
Connection ~ 3900 1250
Wire Wire Line
	3900 1250 4000 1250
$Comp
L Device:C C?
U 1 1 636F1D17
P 1000 1150
F 0 "C?" H 1115 1196 50  0000 L CNN
F 1 "100nF" H 1115 1105 50  0000 L CNN
F 2 "" H 1038 1000 50  0001 C CNN
F 3 "~" H 1000 1150 50  0001 C CNN
	1    1000 1150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 636F24B5
P 1350 1150
F 0 "C?" H 1465 1196 50  0000 L CNN
F 1 "100nF" H 1465 1105 50  0000 L CNN
F 2 "" H 1388 1000 50  0001 C CNN
F 3 "~" H 1350 1150 50  0001 C CNN
	1    1350 1150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 636F2F40
P 1700 1150
F 0 "C?" H 1815 1196 50  0000 L CNN
F 1 "100nF" H 1815 1105 50  0000 L CNN
F 2 "" H 1738 1000 50  0001 C CNN
F 3 "~" H 1700 1150 50  0001 C CNN
	1    1700 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	1350 1300 1350 1400
Wire Wire Line
	1350 1400 1000 1400
Wire Wire Line
	1000 1400 1000 1500
Wire Wire Line
	1000 1300 1000 1400
Connection ~ 1000 1400
Wire Wire Line
	1700 1300 1700 1400
Wire Wire Line
	1700 1400 1350 1400
Connection ~ 1350 1400
Wire Wire Line
	1700 1000 1700 900 
Wire Wire Line
	1700 900  1350 900 
Wire Wire Line
	1000 900  1000 800 
Wire Wire Line
	1000 900  1000 1000
Connection ~ 1000 900 
Wire Wire Line
	1350 900  1350 1000
Connection ~ 1350 900 
Wire Wire Line
	1350 900  1000 900 
$Comp
L power:GND #PWR?
U 1 1 636FC47D
P 1000 1500
F 0 "#PWR?" H 1000 1250 50  0001 C CNN
F 1 "GND" H 1005 1327 50  0000 C CNN
F 2 "" H 1000 1500 50  0001 C CNN
F 3 "" H 1000 1500 50  0001 C CNN
	1    1000 1500
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 636FCCAC
P 1000 800
F 0 "#PWR?" H 1000 650 50  0001 C CNN
F 1 "+3.3V" H 1015 973 50  0000 C CNN
F 2 "" H 1000 800 50  0001 C CNN
F 3 "" H 1000 800 50  0001 C CNN
	1    1000 800 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 636FD882
P 3800 5400
F 0 "#PWR?" H 3800 5150 50  0001 C CNN
F 1 "GND" H 3805 5227 50  0000 C CNN
F 2 "" H 3800 5400 50  0001 C CNN
F 3 "" H 3800 5400 50  0001 C CNN
	1    3800 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 5400 3800 5200
Wire Wire Line
	3800 5200 3700 5200
Wire Wire Line
	3700 5200 3700 4950
Wire Wire Line
	3600 4950 3600 5150
Wire Wire Line
	3600 5150 3500 5150
Wire Wire Line
	3300 5150 3300 4950
Wire Wire Line
	3400 4950 3400 5150
Connection ~ 3400 5150
Wire Wire Line
	3400 5150 3300 5150
Wire Wire Line
	3500 4950 3500 5150
Connection ~ 3500 5150
Wire Wire Line
	3500 5150 3400 5150
Wire Wire Line
	3300 5150 3300 5400
Connection ~ 3300 5150
$Comp
L power:GND #PWR?
U 1 1 63703A2A
P 3300 5400
F 0 "#PWR?" H 3300 5150 50  0001 C CNN
F 1 "GND" H 3305 5227 50  0000 C CNN
F 2 "" H 3300 5400 50  0001 C CNN
F 3 "" H 3300 5400 50  0001 C CNN
	1    3300 5400
	1    0    0    -1  
$EndComp
$Comp
L Jumper:Jumper_2_Open JP?
U 1 1 63704DA5
P 5300 1300
F 0 "JP?" V 5254 1398 50  0000 L CNN
F 1 "Jumper_2_Open" V 5345 1398 50  0000 L CNN
F 2 "" H 5300 1300 50  0001 C CNN
F 3 "~" H 5300 1300 50  0001 C CNN
	1    5300 1300
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 63707935
P 5300 1950
F 0 "#PWR?" H 5300 1700 50  0001 C CNN
F 1 "GND" H 5305 1777 50  0000 C CNN
F 2 "" H 5300 1950 50  0001 C CNN
F 3 "" H 5300 1950 50  0001 C CNN
	1    5300 1950
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 6370853F
P 5300 850
F 0 "#PWR?" H 5300 700 50  0001 C CNN
F 1 "+3.3V" H 5315 1023 50  0000 C CNN
F 2 "" H 5300 850 50  0001 C CNN
F 3 "" H 5300 850 50  0001 C CNN
	1    5300 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 850  5300 1100
Wire Wire Line
	5300 1500 5000 1500
$Comp
L Device:R R?
U 1 1 6370CC23
P 5300 1700
F 0 "R?" H 5370 1746 50  0000 L CNN
F 1 "10k" H 5370 1655 50  0000 L CNN
F 2 "" V 5230 1700 50  0001 C CNN
F 3 "~" H 5300 1700 50  0001 C CNN
	1    5300 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 1550 5300 1500
Connection ~ 5300 1500
Wire Wire Line
	5300 1950 5300 1850
Text Label 5000 1500 0    50   ~ 0
BOOT0
$Comp
L Switch:SW_MEC_5E SW?
U 1 1 637113BA
P 6700 1400
F 0 "SW?" H 6700 1785 50  0000 C CNN
F 1 "SW_MEC_5E" H 6700 1694 50  0000 C CNN
F 2 "" H 6700 1700 50  0001 C CNN
F 3 "http://www.apem.com/int/index.php?controller=attachment&id_attachment=1371" H 6700 1700 50  0001 C CNN
	1    6700 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6900 1300 6950 1300
Wire Wire Line
	6300 1300 6450 1300
Wire Wire Line
	6500 1400 6450 1400
Wire Wire Line
	6450 1400 6450 1300
Connection ~ 6450 1300
Wire Wire Line
	6450 1300 6500 1300
Wire Wire Line
	6900 1400 6950 1400
Wire Wire Line
	6950 1400 6950 1300
Connection ~ 6950 1300
Wire Wire Line
	6950 1300 7150 1300
$Comp
L Device:R R?
U 1 1 6371AA80
P 6300 1050
F 0 "R?" H 6370 1096 50  0000 L CNN
F 1 "nc" H 6370 1005 50  0000 L CNN
F 2 "" V 6230 1050 50  0001 C CNN
F 3 "~" H 6300 1050 50  0001 C CNN
	1    6300 1050
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 6371B4E6
P 6300 800
F 0 "#PWR?" H 6300 650 50  0001 C CNN
F 1 "+3.3V" H 6315 973 50  0000 C CNN
F 2 "" H 6300 800 50  0001 C CNN
F 3 "" H 6300 800 50  0001 C CNN
	1    6300 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 800  6300 900 
Wire Wire Line
	6300 1200 6300 1300
Connection ~ 6300 1300
$Comp
L Device:C C?
U 1 1 63714EE7
P 6700 1800
F 0 "C?" V 6448 1800 50  0000 C CNN
F 1 "100nF" V 6539 1800 50  0000 C CNN
F 2 "" H 6738 1650 50  0001 C CNN
F 3 "~" H 6700 1800 50  0001 C CNN
	1    6700 1800
	0    1    1    0   
$EndComp
Wire Wire Line
	6850 1800 7150 1800
Wire Wire Line
	7150 1300 7150 1550
Wire Wire Line
	6550 1800 6300 1800
Wire Wire Line
	6300 1300 6300 1650
Wire Wire Line
	7150 1550 7300 1550
Connection ~ 7150 1550
Wire Wire Line
	7150 1550 7150 1800
$Comp
L power:GND #PWR?
U 1 1 6373619B
P 7300 1550
F 0 "#PWR?" H 7300 1300 50  0001 C CNN
F 1 "GND" V 7305 1422 50  0000 R CNN
F 2 "" H 7300 1550 50  0001 C CNN
F 3 "" H 7300 1550 50  0001 C CNN
	1    7300 1550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6300 1650 5850 1650
Connection ~ 6300 1650
Wire Wire Line
	6300 1650 6300 1800
Text Label 5850 1650 0    50   ~ 0
NRST
$Comp
L Device:D_Schottky D?
U 1 1 6373BDE2
P 8400 1550
F 0 "D?" H 8400 1333 50  0000 C CNN
F 1 "D_Schottky" H 8400 1424 50  0000 C CNN
F 2 "" H 8400 1550 50  0001 C CNN
F 3 "~" H 8400 1550 50  0001 C CNN
	1    8400 1550
	-1   0    0    1   
$EndComp
$Comp
L Device:D_Schottky D?
U 1 1 6373CD65
P 8900 1550
F 0 "D?" H 8900 1767 50  0000 C CNN
F 1 "D_Schottky" H 8900 1676 50  0000 C CNN
F 2 "" H 8900 1550 50  0001 C CNN
F 3 "~" H 8900 1550 50  0001 C CNN
	1    8900 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 1550 9300 1550
Wire Wire Line
	8750 1550 8650 1550
Wire Wire Line
	8650 1550 8650 950 
Connection ~ 8650 1550
Wire Wire Line
	8650 1550 8550 1550
$Comp
L Device:C C?
U 1 1 6374346B
P 8800 950
F 0 "C?" V 9052 950 50  0000 C CNN
F 1 "100nF" V 8961 950 50  0000 C CNN
F 2 "" H 8838 800 50  0001 C CNN
F 3 "~" H 8800 950 50  0001 C CNN
	1    8800 950 
	0    -1   -1   0   
$EndComp
Connection ~ 8650 950 
Wire Wire Line
	8650 950  8650 700 
$Comp
L power:GND #PWR?
U 1 1 63746161
P 9100 950
F 0 "#PWR?" H 9100 700 50  0001 C CNN
F 1 "GND" V 9105 822 50  0000 R CNN
F 2 "" H 9100 950 50  0001 C CNN
F 3 "" H 9100 950 50  0001 C CNN
	1    9100 950 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9100 950  8950 950 
Text Label 8650 850  1    50   ~ 0
VBAT
Wire Wire Line
	8050 1550 8250 1550
$Comp
L power:+3.3V #PWR?
U 1 1 63749564
P 8050 1550
F 0 "#PWR?" H 8050 1400 50  0001 C CNN
F 1 "+3.3V" V 8065 1678 50  0000 L CNN
F 2 "" H 8050 1550 50  0001 C CNN
F 3 "" H 8050 1550 50  0001 C CNN
	1    8050 1550
	0    -1   -1   0   
$EndComp
Text Label 9200 1550 0    50   ~ 0
VB
$EndSCHEMATC