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 global:SW_PUSH SW?
U 1 1 5CEF360D
P 1150 4750
AR Path="/5CEE5B5C/5CEF360D" Ref="SW?"  Part="1" 
AR Path="/5CEF360D" Ref="SW?"  Part="1" 
F 0 "SW?" H 1300 4860 50  0000 C CNN
F 1 "boot" H 1150 4670 50  0000 C CNN
F 2 "SW:SW" H 1150 4750 50  0001 C CNN
F 3 "" H 1150 4750 50  0000 C CNN
F 4 "200" H -9350 3875 50  0001 C CNN "Partkeepr"
	1    1150 4750
	1    0    0    -1  
$EndComp
$Comp
L global:C C?
U 1 1 5CEF361E
P 1150 5000
AR Path="/5CEE5B5C/5CEF361E" Ref="C?"  Part="1" 
AR Path="/5CEF361E" Ref="C?"  Part="1" 
F 0 "C?" H 1175 5100 50  0000 L CNN
F 1 "100nF" H 1175 4900 50  0000 L CNN
F 2 "C:0805" H 1188 4850 50  0001 C CNN
F 3 "" H 1150 5000 50  0000 C CNN
F 4 "605" H -9350 3900 50  0001 C CNN "Partkeepr"
	1    1150 5000
	0    1    1    0   
$EndComp
Text Label 1600 4750 0    60   ~ 0
GND
$Comp
L global:R R?
U 1 1 5CEF3629
P 1150 4500
AR Path="/5CEE5B5C/5CEF3629" Ref="R?"  Part="1" 
AR Path="/5CEF3629" Ref="R?"  Part="1" 
F 0 "R?" V 1230 4500 50  0000 C CNN
F 1 "10K" V 1150 4500 50  0000 C CNN
F 2 "R:0805" V 1080 4500 50  0001 C CNN
F 3 "" H 1150 4500 50  0000 C CNN
F 4 "910" H -9350 3875 50  0001 C CNN "Partkeepr"
	1    1150 4500
	0    1    1    0   
$EndComp
Text Label 1600 4500 0    60   ~ 0
3.3V
Text Label 2200 2200 2    60   ~ 0
nrst
Text Label 4300 1800 0    60   ~ 0
swdio
Text Label 3800 1100 1    60   ~ 0
swclk
$Comp
L global:C C?
U 1 1 5CEF3A85
P 1300 4000
AR Path="/5CEE5B5C/5CEF3A85" Ref="C?"  Part="1" 
AR Path="/5CEF3A85" Ref="C?"  Part="1" 
F 0 "C?" H 1325 4100 50  0000 L CNN
F 1 "100nF" H 1325 3900 50  0000 L CNN
F 2 "C:0805" H 1338 3850 50  0001 C CNN
F 3 "" H 1300 4000 50  0000 C CNN
F 4 "605" H -1275 -75 50  0001 C CNN "Partkeepr"
	1    1300 4000
	1    0    0    -1  
$EndComp
Text Label 2700 1100 1    60   ~ 0
3.3V
Text Label 2800 1100 1    60   ~ 0
GND
$Comp
L global:Crystal Y?
U 1 1 5CEF3AA5
P 1450 2050
AR Path="/5CEE5B5C/5CEF3AA5" Ref="Y?"  Part="1" 
AR Path="/5CEF3AA5" Ref="Y?"  Part="1" 
F 0 "Y?" H 1450 2200 50  0000 C CNN
F 1 "25Mhz" H 1450 1900 50  0000 C CNN
F 2 "Y:5032" H 1450 2050 50  0001 C CNN
F 3 "" H 1450 2050 50  0000 C CNN
F 4 "1650" H 150 -3150 50  0001 C CNN "Partkeepr"
	1    1450 2050
	0    1    1    0   
$EndComp
$Comp
L global:C C?
U 1 1 5CEF3AB1
P 1000 2200
AR Path="/5CEE5B5C/5CEF3AB1" Ref="C?"  Part="1" 
AR Path="/5CEF3AB1" Ref="C?"  Part="1" 
F 0 "C?" H 1025 2300 50  0000 L CNN
F 1 "22pF" H 1025 2100 50  0000 L CNN
F 2 "C:0603" H 1038 2050 50  0001 C CNN
F 3 "" H 1000 2200 50  0000 C CNN
F 4 "600" H 125 -3150 50  0001 C CNN "Partkeepr"
	1    1000 2200
	0    1    1    0   
$EndComp
$Comp
L global:C C?
U 1 1 5CEF3AB9
P 1000 1900
AR Path="/5CEE5B5C/5CEF3AB9" Ref="C?"  Part="1" 
AR Path="/5CEF3AB9" Ref="C?"  Part="1" 
F 0 "C?" H 1025 2000 50  0000 L CNN
F 1 "22pF" H 1025 1800 50  0000 L CNN
F 2 "C:0603" H 1038 1750 50  0001 C CNN
F 3 "" H 1000 1900 50  0000 C CNN
F 4 "600" H 125 -3150 50  0001 C CNN "Partkeepr"
	1    1000 1900
	0    1    1    0   
$EndComp
Text Label 850  1900 2    60   ~ 0
GND
Text Label 850  2200 2    60   ~ 0
GND
$Comp
L global:C C?
U 1 1 5CEF3AC5
P 2450 4000
AR Path="/5CEE5B5C/5CEF3AC5" Ref="C?"  Part="1" 
AR Path="/5CEF3AC5" Ref="C?"  Part="1" 
F 0 "C?" H 2475 4100 50  0000 L CNN
F 1 "100nF" H 2475 3900 50  0000 L CNN
F 2 "C:0805" H 2488 3850 50  0001 C CNN
F 3 "" H 2450 4000 50  0000 C CNN
F 4 "605" H -1575 -3175 50  0001 C CNN "Partkeepr"
	1    2450 4000
	1    0    0    -1  
$EndComp
$Comp
L global:C C?
U 1 1 5CEF3ACE
P 2750 4000
AR Path="/5CEE5B5C/5CEF3ACE" Ref="C?"  Part="1" 
AR Path="/5CEF3ACE" Ref="C?"  Part="1" 
F 0 "C?" H 2775 4100 50  0000 L CNN
F 1 "100nF" H 2775 3900 50  0000 L CNN
F 2 "C:0805" H 2788 3850 50  0001 C CNN
F 3 "" H 2750 4000 50  0000 C CNN
F 4 "605" H -2150 -800 50  0001 C CNN "Partkeepr"
	1    2750 4000
	1    0    0    -1  
$EndComp
Text Label 4300 1600 0    60   ~ 0
3.3V
Text Label 4300 1700 0    60   ~ 0
GND
$Comp
L global:C C?
U 1 1 5CEF3AD8
P 2150 4000
AR Path="/5CEE5B5C/5CEF3AD8" Ref="C?"  Part="1" 
AR Path="/5CEF3AD8" Ref="C?"  Part="1" 
F 0 "C?" H 2175 4100 50  0000 L CNN
F 1 "100nF" H 2175 3900 50  0000 L CNN
F 2 "C:0805" H 2188 3850 50  0001 C CNN
F 3 "" H 2150 4000 50  0000 C CNN
F 4 "605" H -525 -3125 50  0001 C CNN "Partkeepr"
	1    2150 4000
	1    0    0    -1  
$EndComp
Text Label 3800 3200 3    60   ~ 0
3.3V
Text Label 3700 3200 3    60   ~ 0
GND
$Comp
L global:C C?
U 1 1 5CEF3AE2
P 1850 4000
AR Path="/5CEE5B5C/5CEF3AE2" Ref="C?"  Part="1" 
AR Path="/5CEF3AE2" Ref="C?"  Part="1" 
F 0 "C?" H 1875 4100 50  0000 L CNN
F 1 "100nF" H 1875 3900 50  0000 L CNN
F 2 "C:0805" H 1888 3850 50  0001 C CNN
F 3 "" H 1850 4000 50  0000 C CNN
F 4 "605" H 200 -1900 50  0001 C CNN "Partkeepr"
	1    1850 4000
	1    0    0    -1  
$EndComp
Text Label 2200 2400 2    60   ~ 0
3.3V
Text Label 2200 2300 2    60   ~ 0
GND
$Comp
L global:C C?
U 1 1 5CEF3AF0
P 1600 4000
AR Path="/5CEE5B5C/5CEF3AF0" Ref="C?"  Part="1" 
AR Path="/5CEF3AF0" Ref="C?"  Part="1" 
F 0 "C?" H 1625 4100 50  0000 L CNN
F 1 "1µF" H 1625 3900 50  0000 L CNN
F 2 "C:0805" H 1638 3850 50  0001 C CNN
F 3 "" H 1600 4000 50  0000 C CNN
F 4 "606" H 225 -1900 50  0001 C CNN "Partkeepr"
	1    1600 4000
	1    0    0    -1  
$EndComp
Text Label 850  3850 2    60   ~ 0
3.3V
Text Label 850  4150 2    60   ~ 0
GND
Text Label 4300 1900 0    60   ~ 0
USB_OTG_FS_P
Text Label 4300 2000 0    60   ~ 0
USB_OTG_FS_N
$Comp
L conn:CONN_01X05 P?
U 1 1 5CEE6B51
P 4850 1100
F 0 "P?" H 4928 1141 50  0000 L CNN
F 1 "CONN_01X05" H 4928 1050 50  0000 L CNN
F 2 "Connector:PinHeader2.54_1X5" H 4927 1004 50  0001 L CNN
F 3 "" H 4850 1100 50  0000 C CNN
F 4 "100" H 4850 1100 50  0001 C CNN "Partkeepr"
	1    4850 1100
	1    0    0    -1  
$EndComp
Text Label 4650 900  2    60   ~ 0
3.3V
Text Label 4650 1100 2    60   ~ 0
GND
Text Label 4650 1300 2    60   ~ 0
nrst
Text Label 4650 1200 2    60   ~ 0
swdio
Text Label 4650 1000 2    60   ~ 0
swclk
Wire Wire Line
	2200 2000 1800 2000
Wire Wire Line
	1450 1900 1800 1900
Wire Wire Line
	1800 1900 1800 2000
Wire Wire Line
	1450 2200 1800 2200
Wire Wire Line
	1800 2200 1800 2100
Wire Wire Line
	1800 2100 2200 2100
Wire Wire Line
	1450 1900 1150 1900
Connection ~ 1450 1900
Wire Wire Line
	1450 2200 1150 2200
Connection ~ 1450 2200
$Comp
L global:C C?
U 1 1 5CEF3B03
P 1000 4000
AR Path="/5CEE5B5C/5CEF3B03" Ref="C?"  Part="1" 
AR Path="/5CEF3B03" Ref="C?"  Part="1" 
F 0 "C?" H 1025 4100 50  0000 L CNN
F 1 "4.7µF" H 1025 3900 50  0000 L CNN
F 2 "C:0805" H 1038 3850 50  0001 C CNN
F 3 "" H 1000 4000 50  0000 C CNN
F 4 "607" H 200 -2975 50  0001 C CNN "Partkeepr"
	1    1000 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 3850 2450 3850
Connection ~ 1000 3850
Wire Wire Line
	1000 3850 850  3850
Connection ~ 1300 3850
Wire Wire Line
	1300 3850 1000 3850
Connection ~ 1600 3850
Wire Wire Line
	1600 3850 1300 3850
Connection ~ 1850 3850
Wire Wire Line
	1850 3850 1600 3850
Connection ~ 2150 3850
Wire Wire Line
	2150 3850 1850 3850
Connection ~ 2450 3850
Wire Wire Line
	2450 3850 2150 3850
Wire Wire Line
	2750 4150 2450 4150
Connection ~ 1000 4150
Wire Wire Line
	1000 4150 850  4150
Connection ~ 1300 4150
Wire Wire Line
	1300 4150 1000 4150
Connection ~ 1600 4150
Wire Wire Line
	1600 4150 1300 4150
Connection ~ 1850 4150
Wire Wire Line
	1850 4150 1600 4150
Connection ~ 2150 4150
Wire Wire Line
	2150 4150 1850 4150
Connection ~ 2450 4150
Wire Wire Line
	2450 4150 2150 4150
Text Label 800  4750 2    60   ~ 0
nrst
Wire Wire Line
	1300 4500 1600 4500
Wire Wire Line
	1000 4500 850  4500
Wire Wire Line
	850  4500 850  4750
Wire Wire Line
	800  4750 850  4750
Connection ~ 850  4750
Wire Wire Line
	850  4750 850  5000
Wire Wire Line
	850  5000 1000 5000
Wire Wire Line
	1300 5000 1450 5000
Wire Wire Line
	1450 5000 1450 4750
Wire Wire Line
	1450 4750 1600 4750
Connection ~ 1450 4750
$Comp
L ST:STM32L433Cx U?
U 1 1 5F1F231C
P 3250 2150
F 0 "U?" H 4000 1250 60  0000 L CNN
F 1 "STM32L433Cx" H 3050 2000 60  0000 L CNN
F 2 "" H 3250 2150 60  0001 C CNN
F 3 "" H 3250 2150 60  0001 C CNN
	1    3250 2150
	1    0    0    -1  
$EndComp
Text Label 2200 1600 2    60   ~ 0
3.3V
$EndSCHEMATC