Nucleo2USB.sch

EESchema Schematic File Version 4
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EELAYER END
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Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
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$Comp
L CONNECTORS:USB-OTG X1
U 1 1 5C9C0827
P 1550 1200
F 0 "X1" H 1308 1341 60  0000 C CNN
F 1 "USB-OTG" V 1000 950 60  0001 C CNN
F 2 "CONNECTORS:AMP10118194-0001LF" H 1550 1200 60  0001 C CNN
F 3 "" H 1550 1200 60  0000 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L CONNECTORS:USB-OTG X2
U 1 1 5C9C1291
P 1550 2200
F 0 "X2" H 1308 2341 60  0000 C CNN
F 1 "USB-OTG" V 1000 1950 60  0001 C CNN
F 2 "CONNECTORS:AMP10118194-0001LF" H 1550 2200 60  0001 C CNN
F 3 "" H 1550 2200 60  0000 C CNN
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$EndComp
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OTGFS_VBUS
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OTGFS_ID
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OTGFS_DN
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OTGFS_DP
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OTGHS_DN
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OTGHS_DP
Text GLabel 1550 2200 2    40   Input ~ 0
OTGHS_VBUS
Text GLabel 1550 2500 2    40   Input ~ 0
OTGHS_ID
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 1600 1700
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 1600 2700
$Comp
L COMMON:AGND #P02
U 1 1 5CA3CCFF
P 1600 2750
F 0 "#P02" H 1750 2750 60  0001 C CNN
F 1 "AGND" H 1600 2569 60  0001 C CNN
F 2 "" H 1600 2750 60  0000 C CNN
F 3 "" H 1600 2750 60  0000 C CNN
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L COMMON:AGND #P01
U 1 1 5CA3D523
P 1600 1750
F 0 "#P01" H 1750 1750 60  0001 C CNN
F 1 "AGND" H 1600 1569 60  0001 C CNN
F 2 "" H 1600 1750 60  0000 C CNN
F 3 "" H 1600 1750 60  0000 C CNN
	1    1600 1750
	1    0    0    -1  
$EndComp
$Comp
L CONNECTORS:ST-MORPHO-CN7 X3
U 1 1 5ED7F261
P 7850 1100
F 0 "X3" H 8325 1325 50  0000 C CNN
F 1 "ST-MORPHO-CN7" H 8325 1234 50  0000 C CNN
F 2 "CONNFLY:DS1023-04-2X19A11" H 8200 100 50  0001 C CNN
F 3 "" H 8200 100 50  0000 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L CONNECTORS:ST-MORPHO-CN10 X4
U 1 1 5ED80557
P 9400 1100
F 0 "X4" H 9875 1325 50  0000 C CNN
F 1 "ST-MORPHO-CN10" H 9875 1234 50  0000 C CNN
F 2 "CONNFLY:DS1023-04-2X19A11" H 9750 100 50  0001 C CNN
F 3 "" H 9750 100 50  0000 C CNN
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$EndComp
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PB12
Text GLabel 10350 2500 2    40   BiDi ~ 0
PB13
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OTGFS_VBUS
Text GLabel 2800 1250 0    40   Input ~ 0
OTGFS_DN
Text GLabel 3600 1250 2    40   Input ~ 0
OTGFS_DP
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OTGFS_ID
$Comp
L COMMON:AGND #P03
U 1 1 5EDAE71B
P 2800 1350
F 0 "#P03" H 2950 1350 60  0001 C CNN
F 1 "AGND" H 2800 1169 60  0001 C CNN
F 2 "" H 2800 1350 60  0000 C CNN
F 3 "" H 2800 1350 60  0000 C CNN
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	0    1    1    0   
$EndComp
$Comp
L COMMON:AGND #P05
U 1 1 5EDAED7B
P 3600 1350
F 0 "#P05" H 3750 1350 60  0001 C CNN
F 1 "AGND" H 3600 1169 60  0001 C CNN
F 2 "" H 3600 1350 60  0000 C CNN
F 3 "" H 3600 1350 60  0000 C CNN
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	0    -1   -1   0   
$EndComp
$Comp
L OTHER:ESDAxxSC6 U3
U 1 1 5EDB09A4
P 2800 1250
F 0 "U3" H 3200 1475 50  0000 C CNN
F 1 "ESDAxxSC6" H 3200 1384 50  0000 C CNN
F 2 "SMD-SOT:SOT-23-6" H 2800 1350 50  0001 C CNN
F 3 "" H 2800 1350 50  0001 C CNN
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$EndComp
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$Comp
L COMMON:AGND #P09
U 1 1 5EDB1312
P 5150 1700
F 0 "#P09" H 5300 1700 60  0001 C CNN
F 1 "AGND" H 5150 1519 60  0001 C CNN
F 2 "" H 5150 1700 60  0000 C CNN
F 3 "" H 5150 1700 60  0000 C CNN
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	0    1    1    0   
$EndComp
$Comp
L COMMON:AGND #P04
U 1 1 5EDB51EF
P 2800 2300
F 0 "#P04" H 2950 2300 60  0001 C CNN
F 1 "AGND" H 2800 2119 60  0001 C CNN
F 2 "" H 2800 2300 60  0000 C CNN
F 3 "" H 2800 2300 60  0000 C CNN
	1    2800 2300
	0    1    1    0   
$EndComp
$Comp
L COMMON:AGND #P06
U 1 1 5EDB51F9
P 3600 2300
F 0 "#P06" H 3750 2300 60  0001 C CNN
F 1 "AGND" H 3600 2119 60  0001 C CNN
F 2 "" H 3600 2300 60  0000 C CNN
F 3 "" H 3600 2300 60  0000 C CNN
	1    3600 2300
	0    -1   -1   0   
$EndComp
$Comp
L OTHER:ESDAxxSC6 U4
U 1 1 5EDB5203
P 2800 2200
F 0 "U4" H 3200 2425 50  0000 C CNN
F 1 "ESDAxxSC6" H 3200 2334 50  0000 C CNN
F 2 "SMD-SOT:SOT-23-6" H 2800 2300 50  0001 C CNN
F 3 "" H 2800 2300 50  0001 C CNN
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	1    0    0    -1  
$EndComp
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OTGHS_VBUS
Text GLabel 2800 2200 0    40   Input ~ 0
OTGHS_DN
Text GLabel 3600 2200 2    40   Input ~ 0
OTGHS_DP
Text GLabel 3600 2400 2    40   Input ~ 0
OTGHS_ID
Text GLabel 8800 1800 2    40   Input ~ 0
+3V3
$Comp
L OTHER:MAX40200AUK U6
U 1 1 5EDBE877
P 5150 2350
F 0 "U6" H 5550 2575 50  0000 C CNN
F 1 "MAX40200AUK" H 5550 2484 50  0000 C CNN
F 2 "SMD-SOT:SOT-23-5" H 5150 2450 50  0001 C CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX40200.pdf" H 5150 2450 50  0001 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P010
U 1 1 5EDBE882
P 5150 2450
F 0 "#P010" H 5300 2450 60  0001 C CNN
F 1 "AGND" H 5150 2269 60  0001 C CNN
F 2 "" H 5150 2450 60  0000 C CNN
F 3 "" H 5150 2450 60  0000 C CNN
	1    5150 2450
	0    1    1    0   
$EndComp
$Comp
L OTHER:MAX40200AUK U7
U 1 1 5EDCB377
P 5150 3100
F 0 "U7" H 5550 3325 50  0000 C CNN
F 1 "MAX40200AUK" H 5550 3234 50  0000 C CNN
F 2 "SMD-SOT:SOT-23-5" H 5150 3200 50  0001 C CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX40200.pdf" H 5150 3200 50  0001 C CNN
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	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P011
U 1 1 5EDCB382
P 5150 3200
F 0 "#P011" H 5300 3200 60  0001 C CNN
F 1 "AGND" H 5150 3019 60  0001 C CNN
F 2 "" H 5150 3200 60  0000 C CNN
F 3 "" H 5150 3200 60  0000 C CNN
	1    5150 3200
	0    1    1    0   
$EndComp
Text GLabel 4750 2350 0    40   Input ~ 0
OTGHS_VBUS
Text GLabel 4750 3100 0    40   Input ~ 0
U5V
Wire Wire Line
	5950 3100 6000 3100
Wire Wire Line
	6000 1600 5950 1600
Wire Wire Line
	5950 2350 6000 2350
Connection ~ 6000 1600
Text GLabel 9400 2100 0    40   BiDi ~ 0
PA9
Text GLabel 9400 2700 0    40   BiDi ~ 0
PA10
Text GLabel 10350 1400 2    40   Input ~ 0
U5V
$Comp
L COMMON:AGND #P013
U 1 1 5ED87701
P 8800 1400
F 0 "#P013" H 8950 1400 60  0001 C CNN
F 1 "AGND" H 8800 1219 60  0001 C CNN
F 2 "" H 8800 1400 60  0000 C CNN
F 3 "" H 8800 1400 60  0000 C CNN
	1    8800 1400
	0    -1   -1   0   
$EndComp
$Comp
L COMMON:AGND #P014
U 1 1 5ED87FFF
P 8800 2000
F 0 "#P014" H 8950 2000 60  0001 C CNN
F 1 "AGND" H 8800 1819 60  0001 C CNN
F 2 "" H 8800 2000 60  0000 C CNN
F 3 "" H 8800 2000 60  0000 C CNN
	1    8800 2000
	0    -1   -1   0   
$EndComp
$Comp
L COMMON:AGND #P015
U 1 1 5ED8833D
P 8800 2100
F 0 "#P015" H 8950 2100 60  0001 C CNN
F 1 "AGND" H 8800 1919 60  0001 C CNN
F 2 "" H 8800 2100 60  0000 C CNN
F 3 "" H 8800 2100 60  0000 C CNN
	1    8800 2100
	0    -1   -1   0   
$EndComp
$Comp
L COMMON:AGND #P016
U 1 1 5ED884EF
P 9400 1500
F 0 "#P016" H 9550 1500 60  0001 C CNN
F 1 "AGND" H 9400 1319 60  0001 C CNN
F 2 "" H 9400 1500 60  0000 C CNN
F 3 "" H 9400 1500 60  0000 C CNN
	1    9400 1500
	0    1    1    0   
$EndComp
$Comp
L COMMON:AGND #P017
U 1 1 5ED88B26
P 10350 2000
F 0 "#P017" H 10500 2000 60  0001 C CNN
F 1 "AGND" H 10350 1819 60  0001 C CNN
F 2 "" H 10350 2000 60  0000 C CNN
F 3 "" H 10350 2000 60  0000 C CNN
	1    10350 2000
	0    -1   -1   0   
$EndComp
Text GLabel 10350 2400 2    40   BiDi ~ 0
PB14
Text GLabel 10350 2300 2    40   BiDi ~ 0
PB15
$Comp
L COMMON:SCHOTTKY D1
U 1 1 5EDAEF2C
P 5250 1250
F 0 "D1" H 5500 1200 50  0000 C CNN
F 1 "PMEG2010EJ" H 5400 1373 50  0000 C CNN
F 2 "SMD-SOT:SOD-123F" H 5250 1250 60  0001 C CNN
F 3 "" H 5250 1250 60  0000 C CNN
	1    5250 1250
	-1   0    0    1   
$EndComp
$Comp
L COMMON:SCHOTTKY D2
U 1 1 5EDAFC14
P 5250 2000
F 0 "D2" H 5550 1950 50  0000 C CNN
F 1 "PMEG2010EJ" H 5400 2123 50  0000 C CNN
F 2 "SMD-SOT:SOD-123F" H 5250 2000 60  0001 C CNN
F 3 "" H 5250 2000 60  0000 C CNN
	1    5250 2000
	-1   0    0    1   
$EndComp
$Comp
L COMMON:SCHOTTKY D3
U 1 1 5EDB02F0
P 5250 2750
F 0 "D3" H 5550 2700 50  0000 C CNN
F 1 "PMEG2010EJ" H 5400 2873 50  0000 C CNN
F 2 "SMD-SOT:SOD-123F" H 5250 2750 60  0001 C CNN
F 3 "" H 5250 2750 60  0000 C CNN
	1    5250 2750
	-1   0    0    1   
$EndComp
Connection ~ 6000 3100
$Comp
L COMMON:CAPACITOR C5
U 1 1 5EDB6FAD
P 6000 3150
F 0 "C5" H 6138 3063 40  0000 L CNN
F 1 "0.1uF" H 6138 2987 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 6000 3150 60  0001 C CNN
F 3 "" H 6000 3150 60  0000 C CNN
	1    6000 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
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$Comp
L COMMON:AGND #P012
U 1 1 5EDB9AA0
P 6000 3400
F 0 "#P012" H 6150 3400 60  0001 C CNN
F 1 "AGND" H 6000 3219 60  0001 C CNN
F 2 "" H 6000 3400 60  0000 C CNN
F 3 "" H 6000 3400 60  0000 C CNN
	1    6000 3400
	1    0    0    -1  
$EndComp
Text GLabel 6400 1600 2    40   Input ~ 0
+5V0
Text GLabel 8800 1300 2    40   Input ~ 0
+5V0
Text GLabel 2850 5000 2    40   Input ~ 0
+3V3
Wire Wire Line
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$Comp
L COMMON:RESISTOR R9
U 1 1 5EDC1517
P 2050 5050
F 0 "R9" V 2187 5118 40  0000 L CNN
F 1 "10k" V 2263 5118 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 2000 5050 60  0001 C CNN
F 3 "" H 2000 5050 60  0000 C CNN
	1    2050 5050
	0    1    1    0   
$EndComp
$Comp
L COMMON:RESISTOR R8
U 1 1 5EDC0C46
P 2300 5050
F 0 "R8" V 2437 5118 40  0000 L CNN
F 1 "10k" V 2513 5118 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 2250 5050 60  0001 C CNN
F 3 "" H 2250 5050 60  0000 C CNN
	1    2300 5050
	0    1    1    0   
$EndComp
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OTGHS_VBUS
Text GLabel 5600 5500 2    40   Input ~ 0
OTGFS_VBUS
Text GLabel 4500 5600 2    40   Input ~ 0
+5V0
$Comp
L COMMON:AGND #P07
U 1 1 5D29AE31
P 3850 5700
F 0 "#P07" H 4000 5700 60  0001 C CNN
F 1 "AGND" H 3850 5519 60  0001 C CNN
F 2 "" H 3850 5700 60  0000 C CNN
F 3 "" H 3850 5700 60  0000 C CNN
	1    3850 5700
	0    -1   -1   0   
$EndComp
$Comp
L TI:LM3526L U1
U 1 1 5EDDCF90
P 2950 5500
F 0 "U1" H 3400 5725 50  0000 C CNN
F 1 "LM3526L" H 3400 5634 50  0000 C CNN
F 2 "SMD-QFN:SO65P030X044-8" H 2950 5500 50  0001 C CNN
F 3 "" H 2950 5500 50  0001 C CNN
	1    2950 5500
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R6
U 1 1 5EDDE4CF
P 2550 5050
F 0 "R6" V 2687 5118 40  0000 L CNN
F 1 "10k" V 2763 5118 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 2500 5050 60  0001 C CNN
F 3 "" H 2500 5050 60  0000 C CNN
	1    2550 5050
	0    1    1    0   
$EndComp
$Comp
L COMMON:RESISTOR R5
U 1 1 5EDDE7F0
P 2800 5050
F 0 "R5" V 2937 5118 40  0000 L CNN
F 1 "10k" V 3013 5118 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 2750 5050 60  0001 C CNN
F 3 "" H 2750 5050 60  0000 C CNN
	1    2800 5050
	0    1    1    0   
$EndComp
Wire Wire Line
	2300 5000 2550 5000
Wire Wire Line
	2800 5000 2800 5050
Connection ~ 2300 5000
Wire Wire Line
	2550 5050 2550 5000
Connection ~ 2550 5000
Wire Wire Line
	2300 5400 2300 5600
Connection ~ 2300 5600
Wire Wire Line
	2300 5600 2950 5600
Wire Wire Line
	2550 5400 2550 5700
Wire Wire Line
	2550 5700 2950 5700
Wire Wire Line
	2800 5400 2800 5800
Wire Wire Line
	2800 5800 2950 5800
$Comp
L COMMON:RESISTOR R7
U 1 1 5EDF672B
P 5150 1800
F 0 "R7" H 5400 1700 40  0000 C CNN
F 1 "10k" H 5300 1800 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 5100 1800 60  0001 C CNN
F 3 "" H 5100 1800 60  0000 C CNN
	1    5150 1800
	-1   0    0    1   
$EndComp
$Comp
L COMMON:RESISTOR R10
U 1 1 5EDF6D60
P 5150 2550
F 0 "R10" H 5400 2450 40  0000 C CNN
F 1 "10k" H 5300 2550 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 5100 2550 60  0001 C CNN
F 3 "" H 5100 2550 60  0000 C CNN
	1    5150 2550
	-1   0    0    1   
$EndComp
Connection ~ 4800 3100
Wire Wire Line
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Wire Wire Line
	4800 2350 5150 2350
Wire Wire Line
	4800 2350 4750 2350
Connection ~ 4800 2350
$Comp
L OTHER:MAX40200AUK U5
U 1 1 5EDAFE3B
P 5150 1600
F 0 "U5" H 5550 1825 50  0000 C CNN
F 1 "MAX40200AUK" H 5550 1734 50  0000 C CNN
F 2 "SMD-SOT:SOT-23-5" H 5150 1700 50  0001 C CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX40200.pdf" H 5150 1700 50  0001 C CNN
	1    5150 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
	4800 1800 4800 1600
Connection ~ 4800 1600
Wire Wire Line
	4800 1600 4750 1600
$Comp
L COMMON:RESISTOR R14
U 1 1 5EE03B6E
P 7750 4800
F 0 "R14" H 8150 4850 40  0000 C CNN
F 1 "22" H 7950 4800 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 4800 60  0001 C CNN
F 3 "" H 7700 4800 60  0000 C CNN
	1    7750 4800
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R15
U 1 1 5EE03FBD
P 7750 5000
F 0 "R15" H 8150 5050 40  0000 C CNN
F 1 "22" H 7950 5000 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 5000 60  0001 C CNN
F 3 "" H 7700 5000 60  0000 C CNN
	1    7750 5000
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R16
U 1 1 5EE04226
P 7750 5200
F 0 "R16" H 8150 5250 40  0000 C CNN
F 1 "22" H 7950 5200 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 5200 60  0001 C CNN
F 3 "" H 7700 5200 60  0000 C CNN
	1    7750 5200
	1    0    0    -1  
$EndComp
Text GLabel 7750 4400 0    40   Input ~ 0
OTGFS_VBUS
Text GLabel 7750 4600 0    40   Input ~ 0
OTGFS_DN
Text GLabel 7750 4800 0    40   Input ~ 0
OTGFS_DP
Text GLabel 7750 5000 0    40   Input ~ 0
OTGFS_ID
$Comp
L COMMON:RESISTOR R20
U 1 1 5EE046E7
P 8450 3700
F 0 "R20" H 8500 3600 40  0000 C CNN
F 1 "1k5" H 8650 3700 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 8400 3700 60  0001 C CNN
F 3 "" H 8400 3700 60  0000 C CNN
	1    8450 3700
	-1   0    0    1   
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	8100 5000 8500 5000
Text GLabel 8450 3700 2    40   Input ~ 0
+3V3
Text GLabel 8500 5600 2    40   BiDi ~ 0
PA12
Text GLabel 8500 5400 2    40   BiDi ~ 0
PA11
Text GLabel 7750 5200 0    40   Input ~ 0
OTGHS_VBUS
$Comp
L COMMON:RESISTOR R17
U 1 1 5EE0E42F
P 7750 5400
F 0 "R17" H 8150 5450 40  0000 C CNN
F 1 "22" H 7950 5400 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 5400 60  0001 C CNN
F 3 "" H 7700 5400 60  0000 C CNN
	1    7750 5400
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R18
U 1 1 5EE0E5FD
P 7750 5600
F 0 "R18" H 8150 5650 40  0000 C CNN
F 1 "22" H 7950 5600 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 5600 60  0001 C CNN
F 3 "" H 7700 5600 60  0000 C CNN
	1    7750 5600
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R19
U 1 1 5EE0E88D
P 7750 5800
F 0 "R19" H 8150 5850 40  0000 C CNN
F 1 "22" H 7950 5800 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 5800 60  0001 C CNN
F 3 "" H 7700 5800 60  0000 C CNN
	1    7750 5800
	1    0    0    -1  
$EndComp
Text GLabel 7750 5400 0    40   Input ~ 0
OTGHS_DN
Text GLabel 7750 5600 0    40   Input ~ 0
OTGHS_DP
Text GLabel 7750 5800 0    40   Input ~ 0
OTGHS_ID
Text GLabel 8500 4400 2    40   BiDi ~ 0
PB13
Text GLabel 8500 5000 2    40   BiDi ~ 0
PB12
Text GLabel 8500 5200 2    40   BiDi ~ 0
PA9
Text GLabel 8500 5800 2    40   BiDi ~ 0
PA10
Text GLabel 8500 4600 2    40   BiDi ~ 0
PB14
Text GLabel 8500 4800 2    40   BiDi ~ 0
PB15
Wire Wire Line
	8500 5200 8100 5200
Wire Wire Line
	8500 5400 8100 5400
Wire Wire Line
	8100 5600 8500 5600
Wire Wire Line
	8100 5800 8500 5800
Text GLabel 10350 1700 2    40   BiDi ~ 0
PA11
Text GLabel 10350 1600 2    40   BiDi ~ 0
PA12
Text GLabel 8800 2400 2    40   BiDi ~ 0
PA0
Text GLabel 8800 2500 2    40   BiDi ~ 0
PA1
Text GLabel 9400 2800 0    40   BiDi ~ 0
PA2
Text GLabel 9400 2900 0    40   BiDi ~ 0
PA3
$Comp
L COMMON:CAPACITOR C1
U 1 1 5EE3D4A3
P 3900 6250
F 0 "C1" H 3950 6200 40  0000 L CNN
F 1 "0.1uF" H 3950 6050 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 3900 6250 60  0001 C CNN
F 3 "" H 3900 6250 60  0000 C CNN
	1    3900 6250
	1    0    0    -1  
$EndComp
$Comp
L COMMON:CAPACITOR C2
U 1 1 5EE3DE4E
P 4150 5900
F 0 "C2" H 4200 5850 40  0000 L CNN
F 1 "0.1uF" H 4200 5700 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 4150 5900 60  0001 C CNN
F 3 "" H 4150 5900 60  0000 C CNN
	1    4150 5900
	1    0    0    -1  
$EndComp
$Comp
L COMMON:CAPACITOR C3
U 1 1 5EE3E32C
P 4400 6250
F 0 "C3" H 4450 6200 40  0000 L CNN
F 1 "0.1uF" H 4450 6050 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 4400 6250 60  0001 C CNN
F 3 "" H 4400 6250 60  0000 C CNN
	1    4400 6250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 5800 3900 5800
Wire Wire Line
	3900 6250 3900 5800
Connection ~ 3900 5800
Wire Wire Line
	3900 5800 4850 5800
Wire Wire Line
	3850 5600 4150 5600
Wire Wire Line
	4150 5900 4150 5600
Connection ~ 4150 5600
Wire Wire Line
	4150 5600 4500 5600
Wire Wire Line
	4400 6250 4400 5500
Wire Wire Line
	4400 5500 3850 5500
Wire Wire Line
	4400 5500 5450 5500
Connection ~ 4400 5500
$Comp
L COMMON:AGND #P0101
U 1 1 5EE46F80
P 3900 6500
F 0 "#P0101" H 4050 6500 60  0001 C CNN
F 1 "AGND" H 3900 6319 60  0001 C CNN
F 2 "" H 3900 6500 60  0000 C CNN
F 3 "" H 3900 6500 60  0000 C CNN
	1    3900 6500
	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P0102
U 1 1 5EE48D8E
P 4150 6500
F 0 "#P0102" H 4300 6500 60  0001 C CNN
F 1 "AGND" H 4150 6319 60  0001 C CNN
F 2 "" H 4150 6500 60  0000 C CNN
F 3 "" H 4150 6500 60  0000 C CNN
	1    4150 6500
	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P0103
U 1 1 5EE4906F
P 4400 6500
F 0 "#P0103" H 4550 6500 60  0001 C CNN
F 1 "AGND" H 4400 6319 60  0001 C CNN
F 2 "" H 4400 6500 60  0000 C CNN
F 3 "" H 4400 6500 60  0000 C CNN
	1    4400 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 6500 4150 6150
Wire Wire Line
	6000 1600 6400 1600
Wire Wire Line
	8100 4800 8500 4800
Text GLabel 8100 3800 2    40   BiDi ~ 0
PA12
$Comp
L CONNECTORS:CONN-03P1L X5
U 1 1 5EE8BE20
P 8100 3600
F 0 "X5" H 7983 3847 60  0000 C CNN
F 1 "CONN-03P1L" H 7983 3741 60  0000 C CNN
F 2 "CONNFLY:DS1021-1X03S61" H 8100 3600 60  0001 C CNN
F 3 "" H 8100 3600 60  0000 C CNN
	1    8100 3600
	1    0    0    -1  
$EndComp
Text GLabel 8100 3600 2    40   BiDi ~ 0
PA11
$Comp
L COMMON:CAPACITOR C4
U 1 1 5EEB6DD4
P 1700 5050
F 0 "C4" H 1838 4963 40  0000 L CNN
F 1 "0.1uF" H 1838 4887 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 1700 5050 60  0001 C CNN
F 3 "" H 1700 5050 60  0000 C CNN
	1    1700 5050
	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P0104
U 1 1 5EEB766E
P 1700 5300
F 0 "#P0104" H 1850 5300 60  0001 C CNN
F 1 "AGND" H 1700 5119 60  0001 C CNN
F 2 "" H 1700 5300 60  0000 C CNN
F 3 "" H 1700 5300 60  0000 C CNN
	1    1700 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 5050 1700 5000
Wire Wire Line
	1700 5000 2050 5000
Connection ~ 2800 5000
Wire Wire Line
	4750 3100 4800 3100
Wire Wire Line
	4800 3100 4800 3300
Wire Wire Line
	4800 3100 5150 3100
$Comp
L COMMON:CAPACITOR C6
U 1 1 5EEBD43C
P 4800 3400
F 0 "C6" H 4938 3313 40  0000 L CNN
F 1 "0.1uF" H 4938 3237 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603C" H 4800 3400 60  0001 C CNN
F 3 "" H 4800 3400 60  0000 C CNN
	1    4800 3400
	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P0105
U 1 1 5EEBDC00
P 4800 3650
F 0 "#P0105" H 4950 3650 60  0001 C CNN
F 1 "AGND" H 4800 3469 60  0001 C CNN
F 2 "" H 4800 3650 60  0000 C CNN
F 3 "" H 4800 3650 60  0000 C CNN
	1    4800 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 3400 4800 3300
Connection ~ 4800 3300
$Comp
L COMMON:LED D4
U 1 1 5EDE8F54
P 4850 6150
F 0 "D4" V 5053 6072 50  0000 R CNN
F 1 "0603Y" V 4947 6072 50  0000 R CNN
F 2 "OPTOEL:LED-0603" H 4850 6150 60  0001 C CNN
F 3 "" H 4850 6150 60  0000 C CNN
	1    4850 6150
	0    -1   -1   0   
$EndComp
$Comp
L COMMON:LED D5
U 1 1 5EDEA721
P 5450 6150
F 0 "D5" V 5653 6072 50  0000 R CNN
F 1 "0603Y" V 5547 6072 50  0000 R CNN
F 2 "OPTOEL:LED-0603" H 5450 6150 60  0001 C CNN
F 3 "" H 5450 6150 60  0000 C CNN
	1    5450 6150
	0    -1   -1   0   
$EndComp
$Comp
L COMMON:RESISTOR R21
U 1 1 5EDEF095
P 4850 6150
F 0 "R21" V 4987 6218 40  0000 L CNN
F 1 "470" V 5063 6218 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 4800 6150 60  0001 C CNN
F 3 "" H 4800 6150 60  0000 C CNN
	1    4850 6150
	0    1    1    0   
$EndComp
$Comp
L COMMON:RESISTOR R22
U 1 1 5EDEF53D
P 5450 6150
F 0 "R22" V 5587 6218 40  0000 L CNN
F 1 "470" V 5663 6218 40  0000 L CNN
F 2 "SMD-CMN:SMD-0603R" H 5400 6150 60  0001 C CNN
F 3 "" H 5400 6150 60  0000 C CNN
	1    5450 6150
	0    1    1    0   
$EndComp
$Comp
L COMMON:AGND #P0106
U 1 1 5EDF3D20
P 4850 6500
F 0 "#P0106" H 5000 6500 60  0001 C CNN
F 1 "AGND" H 4850 6319 60  0001 C CNN
F 2 "" H 4850 6500 60  0000 C CNN
F 3 "" H 4850 6500 60  0000 C CNN
	1    4850 6500
	1    0    0    -1  
$EndComp
$Comp
L COMMON:AGND #P0107
U 1 1 5EDF4132
P 5450 6500
F 0 "#P0107" H 5600 6500 60  0001 C CNN
F 1 "AGND" H 5450 6319 60  0001 C CNN
F 2 "" H 5450 6500 60  0000 C CNN
F 3 "" H 5450 6500 60  0000 C CNN
	1    5450 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 5850 4850 5800
Connection ~ 4850 5800
Wire Wire Line
	4850 5800 5600 5800
Wire Wire Line
	5450 5850 5450 5500
Connection ~ 5450 5500
Wire Wire Line
	5450 5500 5600 5500
$Comp
L COMMON:RESISTOR R1
U 1 1 5EE20E4C
P 1600 5500
F 0 "R1" H 1950 5550 40  0000 C CNN
F 1 "22" H 1800 5500 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 1550 5500 60  0001 C CNN
F 3 "" H 1550 5500 60  0000 C CNN
	1    1600 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 5700 2300 5600
$Comp
L COMMON:RESISTOR R2
U 1 1 5EE21550
P 1600 5700
F 0 "R2" H 1950 5750 40  0000 C CNN
F 1 "22" H 1800 5700 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 1550 5700 60  0001 C CNN
F 3 "" H 1550 5700 60  0000 C CNN
	1    1600 5700
	1    0    0    -1  
$EndComp
Text GLabel 1600 5500 0    40   BiDi ~ 0
PA3
Text GLabel 1600 5700 0    40   BiDi ~ 0
PA2
$Comp
L COMMON:RESISTOR R11
U 1 1 5EDF71A7
P 5150 3300
F 0 "R11" H 5400 3200 40  0000 C CNN
F 1 "10k" H 5300 3300 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 5100 3300 60  0001 C CNN
F 3 "" H 5100 3300 60  0000 C CNN
	1    5150 3300
	-1   0    0    1   
$EndComp
$Comp
L COMMON:RESISTOR R13
U 1 1 5EE038DC
P 7750 4600
F 0 "R13" H 8150 4650 40  0000 C CNN
F 1 "22" H 7950 4600 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 4600 60  0001 C CNN
F 3 "" H 7700 4600 60  0000 C CNN
	1    7750 4600
	1    0    0    -1  
$EndComp
$Comp
L COMMON:RESISTOR R12
U 1 1 5EE0286D
P 7750 4400
F 0 "R12" H 8150 4450 40  0000 C CNN
F 1 "22" H 7950 4400 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 7700 4400 60  0001 C CNN
F 3 "" H 7700 4400 60  0000 C CNN
	1    7750 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 1250 6000 1250
Wire Wire Line
	6000 1250 6000 1600
Wire Wire Line
	4800 1600 4800 1250
Wire Wire Line
	4800 1250 4950 1250
Wire Wire Line
	6000 1600 6000 2000
Wire Wire Line
	5250 2000 6000 2000
Connection ~ 6000 2000
Wire Wire Line
	4950 2000 4800 2000
Wire Wire Line
	4800 2000 4800 2350
Connection ~ 6000 2350
Wire Wire Line
	5250 2750 6000 2750
Connection ~ 6000 2750
Wire Wire Line
	6000 2750 6000 3100
Wire Wire Line
	4950 2750 4800 2750
Wire Wire Line
	4800 2750 4800 3100
Wire Wire Line
	6000 2350 6000 2750
Wire Wire Line
	6000 2000 6000 2350
Wire Notes Line
	7600 3150 7600 3900
Wire Notes Line
	7600 3900 9700 3900
Wire Notes Line
	9700 3900 9700 3150
Wire Notes Line
	9700 3150 7600 3150
Text Notes 8500 3300 0    50   ~ 0
F103/F303 USB speed 
Text Notes 5200 1150 0    50   ~ 0
Schottky can be used instead ORing IC
Connection ~ 2550 5700
Wire Wire Line
	2550 5700 2550 5900
$Comp
L COMMON:RESISTOR R3
U 1 1 5EE218E2
P 1600 5900
F 0 "R3" H 1950 5950 40  0000 C CNN
F 1 "22" H 1800 5900 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 1550 5900 60  0001 C CNN
F 3 "" H 1550 5900 60  0000 C CNN
	1    1600 5900
	1    0    0    -1  
$EndComp
Text GLabel 1600 5900 0    40   BiDi ~ 0
PA1
Connection ~ 2800 5800
Text GLabel 1600 6100 0    40   BiDi ~ 0
PA0
Wire Wire Line
	2800 5800 2800 6100
$Comp
L COMMON:RESISTOR R4
U 1 1 5EE21E26
P 1600 6100
F 0 "R4" H 1950 6150 40  0000 C CNN
F 1 "22" H 1800 6100 40  0000 C CNN
F 2 "SMD-CMN:SMD-0603R" H 1550 6100 60  0001 C CNN
F 3 "" H 1550 6100 60  0000 C CNN
	1    1600 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 5500 2050 5500
Wire Wire Line
	2800 5000 2850 5000
Wire Wire Line
	2550 5000 2800 5000
Wire Wire Line
	2050 5050 2050 5000
Connection ~ 2050 5000
Wire Wire Line
	2050 5000 2300 5000
Wire Wire Line
	2050 5400 2050 5500
Connection ~ 2050 5500
Wire Wire Line
	2050 5500 2950 5500
Wire Wire Line
	2300 5700 1950 5700
Wire Wire Line
	1950 5900 2550 5900
Wire Wire Line
	2800 6100 1950 6100
$EndSCHEMATC