EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:switches
LIBS:conn
LIBS:silabs
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L C C1
U 1 1 59BC6727
P 4200 1350
F 0 "C1" H 4225 1450 50  0000 L CNN
F 1 "0.1uF" V 4050 1300 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402_NoSilk" H 4238 1200 50  0001 C CNN
F 3 "" H 4200 1350 50  0001 C CNN
	1    4200 1350
	0    1    1    0   
$EndComp
$Comp
L C C2
U 1 1 59BC6754
P 4200 1550
F 0 "C2" H 4225 1650 50  0000 L CNN
F 1 "4.7uF" V 4350 1475 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402_NoSilk" H 4238 1400 50  0001 C CNN
F 3 "" H 4200 1550 50  0001 C CNN
	1    4200 1550
	0    1    1    0   
$EndComp
$Comp
L C C4
U 1 1 59BC686B
P 4850 1550
F 0 "C4" H 4875 1650 50  0000 L CNN
F 1 "4.7uF" V 4700 1475 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402_NoSilk" H 4888 1400 50  0001 C CNN
F 3 "" H 4850 1550 50  0001 C CNN
	1    4850 1550
	0    -1   -1   0   
$EndComp
$Comp
L C C3
U 1 1 59BC6871
P 4850 1350
F 0 "C3" H 4875 1450 50  0000 L CNN
F 1 "0.1uF" V 5000 1200 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402_NoSilk" H 4888 1200 50  0001 C CNN
F 3 "" H 4850 1350 50  0001 C CNN
	1    4850 1350
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR7
U 1 1 59BC69D8
P 5000 1750
F 0 "#PWR7" H 5000 1500 50  0001 C CNN
F 1 "GND" H 5000 1600 50  0000 C CNN
F 2 "" H 5000 1750 50  0001 C CNN
F 3 "" H 5000 1750 50  0001 C CNN
	1    5000 1750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR4
U 1 1 59BC6AED
P 4050 1750
F 0 "#PWR4" H 4050 1500 50  0001 C CNN
F 1 "GND" H 4050 1600 50  0000 C CNN
F 2 "" H 4050 1750 50  0001 C CNN
F 3 "" H 4050 1750 50  0001 C CNN
	1    4050 1750
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR5
U 1 1 59BC6B24
P 4700 1100
F 0 "#PWR5" H 4700 950 50  0001 C CNN
F 1 "+3.3V" H 4700 1240 50  0000 C CNN
F 2 "" H 4700 1100 50  0001 C CNN
F 3 "" H 4700 1100 50  0001 C CNN
	1    4700 1100
	1    0    0    -1  
$EndComp
NoConn ~ 2275 2450
NoConn ~ 1875 2650
$Comp
L GND #PWR1
U 1 1 59BC6CDD
P 1975 2850
F 0 "#PWR1" H 1975 2600 50  0001 C CNN
F 1 "GND" H 1975 2700 50  0000 C CNN
F 2 "" H 1975 2850 50  0001 C CNN
F 3 "" H 1975 2850 50  0001 C CNN
	1    1975 2850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR6
U 1 1 59BC6D91
P 4775 4275
F 0 "#PWR6" H 4775 4025 50  0001 C CNN
F 1 "GND" H 4775 4125 50  0000 C CNN
F 2 "" H 4775 4275 50  0001 C CNN
F 3 "" H 4775 4275 50  0001 C CNN
	1    4775 4275
	1    0    0    -1  
$EndComp
NoConn ~ 5500 2200
NoConn ~ 5500 2100
$Comp
L Conn_01x04 J2
U 1 1 59BC8422
P 2375 2700
F 0 "J2" H 2375 2900 50  0000 C CNN
F 1 "Conn_01x04" H 2375 2400 50  0000 C CNN
F 2 "conn:Pin_Header_Angled_1x04_Pitch1.27mm_no_silk_castellated" H 2375 2700 50  0001 C CNN
F 3 "" H 2375 2700 50  0001 C CNN
	1    2375 2700
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR2
U 1 1 59BC8562
P 2575 3050
F 0 "#PWR2" H 2575 2800 50  0001 C CNN
F 1 "GND" H 2575 2900 50  0000 C CNN
F 2 "" H 2575 3050 50  0001 C CNN
F 3 "" H 2575 3050 50  0001 C CNN
	1    2575 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR8
U 1 1 59BC8C94
P 6300 2450
F 0 "#PWR8" H 6300 2200 50  0001 C CNN
F 1 "GND" H 6300 2300 50  0000 C CNN
F 2 "" H 6300 2450 50  0001 C CNN
F 3 "" H 6300 2450 50  0001 C CNN
	1    6300 2450
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR3
U 1 1 59BC8F84
P 2850 1750
F 0 "#PWR3" H 2850 1600 50  0001 C CNN
F 1 "+5V" H 2850 1890 50  0000 C CNN
F 2 "" H 2850 1750 50  0001 C CNN
F 3 "" H 2850 1750 50  0001 C CNN
	1    2850 1750
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG2
U 1 1 59BC904D
P 2650 1700
F 0 "#FLG2" H 2650 1775 50  0001 C CNN
F 1 "PWR_FLAG" H 2650 1850 50  0000 C CNN
F 2 "" H 2650 1700 50  0001 C CNN
F 3 "" H 2650 1700 50  0001 C CNN
	1    2650 1700
	1    0    0    -1  
$EndComp
$Comp
L USB_OTG J1
U 1 1 59BC971A
P 1975 2250
F 0 "J1" H 1775 2700 50  0000 L CNN
F 1 "USB_OTG" H 1775 2600 50  0000 L CNN
F 2 "conn_usb:USB_Micro_NoSlots_NoSilk" H 2125 2200 50  0001 C CNN
F 3 "" H 2125 2200 50  0001 C CNN
	1    1975 2250
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG1
U 1 1 59BDFC11
P 1525 2750
F 0 "#FLG1" H 1525 2825 50  0001 C CNN
F 1 "PWR_FLAG" H 1525 2900 50  0000 C CNN
F 2 "" H 1525 2750 50  0001 C CNN
F 3 "" H 1525 2750 50  0001 C CNN
	1    1525 2750
	1    0    0    -1  
$EndComp
Text Label 3500 2250 2    60   ~ 0
D+
Text Label 3500 2350 2    60   ~ 0
D-
Text Label 3500 2550 2    60   ~ 0
C2CK
Text Label 3500 2650 2    60   ~ 0
C2D
$Comp
L EFM8UB1_QFN20 U1
U 1 1 59D1CD41
P 4500 2900
F 0 "U1" H 3750 3900 60  0000 C CNN
F 1 "EFM8UB1_QFN20" H 4500 2850 60  0000 C CNN
F 2 "qfn:QFN20_silabs" H 4500 2350 60  0001 C CNN
F 3 "" H 4500 2350 60  0001 C CNN
	1    4500 2900
	1    0    0    -1  
$EndComp
$Comp
L Conn_01x04 J3
U 1 1 59D1D839
P 2950 3300
F 0 "J3" H 2950 3500 50  0000 C CNN
F 1 "Conn_01x04" H 2950 3000 50  0000 C CNN
F 2 "conn:Pin_Header_Angled_1x04_Pitch1.27mm_no_silk_castellated" H 2950 3300 50  0001 C CNN
F 3 "" H 2950 3300 50  0001 C CNN
	1    2950 3300
	-1   0    0    1   
$EndComp
Connection ~ 4650 4150
Wire Wire Line
	4775 4150 4775 4275
Connection ~ 4500 4150
Wire Wire Line
	4350 4150 4775 4150
Wire Wire Line
	1525 2850 1975 2850
Wire Wire Line
	1525 2750 1525 2850
Connection ~ 3150 2050
Wire Wire Line
	3500 2050 3500 2100
Wire Wire Line
	5800 2300 5500 2300
Connection ~ 2850 1800
Wire Wire Line
	2650 1800 2850 1800
Wire Wire Line
	2650 1700 2650 1800
Connection ~ 2850 2050
Wire Wire Line
	2850 1750 2850 2600
Wire Wire Line
	2275 2050 3500 2050
Wire Wire Line
	3150 1100 3150 2050
Wire Wire Line
	4350 1100 3150 1100
Wire Wire Line
	4350 1100 4350 1750
Wire Wire Line
	6300 2300 6300 2450
Wire Wire Line
	6200 2300 6300 2300
Wire Wire Line
	2900 2650 3500 2650
Wire Wire Line
	3250 2550 3500 2550
Wire Wire Line
	1975 2850 1975 2650
Wire Wire Line
	2275 2350 3500 2350
Wire Wire Line
	2275 2250 3500 2250
Connection ~ 4050 1550
Wire Wire Line
	4050 1350 4050 1750
Connection ~ 4350 1350
Connection ~ 4350 1550
Connection ~ 4700 1350
Connection ~ 5000 1550
Wire Wire Line
	5000 1350 5000 1750
Connection ~ 4700 1550
Wire Wire Line
	4700 1100 4700 1750
Wire Wire Line
	2850 2600 2575 2600
Wire Wire Line
	3250 2550 3250 2800
Wire Wire Line
	3250 2800 2575 2800
Wire Wire Line
	2900 2650 2900 2700
Wire Wire Line
	2900 2700 2575 2700
Wire Wire Line
	2575 2900 2575 3050
$Comp
L Conn_01x04 J4
U 1 1 59D1DF9A
P 2950 3700
F 0 "J4" H 2950 3900 50  0000 C CNN
F 1 "Conn_01x04" H 3275 3800 50  0000 C CNN
F 2 "conn:Pin_Header_Angled_1x04_Pitch1.27mm_no_silk_castellated" H 2950 3700 50  0001 C CNN
F 3 "" H 2950 3700 50  0001 C CNN
	1    2950 3700
	-1   0    0    1   
$EndComp
Wire Wire Line
	3150 3800 3500 3800
Wire Wire Line
	3150 3700 3500 3700
Wire Wire Line
	3150 3600 3500 3600
Wire Wire Line
	3150 3500 3500 3500
Wire Wire Line
	3150 3400 3500 3400
Wire Wire Line
	3150 3300 3500 3300
Wire Wire Line
	3150 3200 3500 3200
Wire Wire Line
	3150 3100 3500 3100
Text Label 3500 3100 2    60   ~ 0
P0.0
Text Label 3500 3200 2    60   ~ 0
P0.1
Text Label 3500 3300 2    60   ~ 0
P0.2
Text Label 3500 3400 2    60   ~ 0
P0.3
Text Label 3500 3500 2    60   ~ 0
P0.4
Text Label 3500 3600 2    60   ~ 0
P0.5
Text Label 3500 3700 2    60   ~ 0
P0.6
Text Label 3500 3800 2    60   ~ 0
P0.7
$Comp
L SW_Push SW1
U 1 1 5A1C99D7
P 6000 2300
F 0 "SW1" H 6050 2400 50  0000 L CNN
F 1 "SW_Push" H 6000 2240 50  0000 C CNN
F 2 "switch_mx:Cherry_MX_Matias_No_Silk_Border" H 6000 2500 50  0001 C CNN
F 3 "" H 6000 2500 50  0001 C CNN
	1    6000 2300
	1    0    0    -1  
$EndComp
$EndSCHEMATC