i2c.sch 11.5 KB
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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:74lv1t34
LIBS:93lc46b
LIBS:Diodes_Mosfet
LIBS:hole
LIBS:Microchip_CAN
LIBS:Microchip_regulator
LIBS:MPS_Regulators
LIBS:St_Baluns
LIBS:Ti_Logic
LIBS:Ti_Regulators
LIBS:tsl256x
LIBS:voltage-translators
LIBS:Silabs
LIBS:Wurth_Eth
LIBS:Ti_POE
LIBS:STM32
LIBS:Microchip_Ethernet
LIBS:STM32F107VCT
LIBS:Pulse_Magnetics
LIBS:ALPS_Tact
LIBS:Panasonic_Relays
LIBS:Load_Driver
LIBS:Diode_Bridge
LIBS:Diodes_Regul
LIBS:Dpak_Diode
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LIBS:symbol
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LIBS:brain-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
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Sheet 8 8
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Title "RTC"
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Date "2016-09-09"
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Rev "0.6"
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Comp "BetaMachine"
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Comment1 "Brain"
Comment2 "AAA Control Backend"
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Comment3 "Nipo"
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Comment4 ""
$EndDescr
$Comp
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L PCF8563 U17
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U 1 1 57B57780
P 4700 4300
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F 0 "U17" H 4450 3925 50  0000 C CNN
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F 1 "PCF8563" H 4625 4300 50  0000 C CNN
F 2 "Housings_SSOP:TSSOP-8_3x3mm_Pitch0.65mm" H 4700 4300 50  0001 C CNN
F 3 "" H 4700 4300 50  0000 C CNN
F 4 "NXP" H 4700 4300 60  0001 C CNN "MFN"
F 5 "PCF8563TS/5,118" H 4700 4300 60  0001 C CNN "MFP"
F 6 "771-PCF8563TS/5118" H 4700 4300 60  0001 C CNN "S1PN"
F 7 "I2C RTC" H 4700 4300 60  0001 C CNN "Description"
	1    4700 4300
	-1   0    0    -1  
$EndComp
$Comp
L Crystal Y1
U 1 1 57B577CF
P 5250 4300
F 0 "Y1" V 5204 4169 50  0000 R CNN
F 1 "32768Hz" V 5295 4169 50  0000 R CNN
F 2 "Abracon:ABS07" H 5250 4300 50  0001 C CNN
F 3 "" H 5250 4300 50  0000 C CNN
F 4 "Abracon" H 5250 4300 60  0001 C CNN "MFN"
F 5 "ABS07-32.768KHZ-1-T" H 5250 4300 60  0001 C CNN "MFP"
F 6 "815-ABS07-32.7K-1-T" H 5250 4300 60  0001 C CNN "S1PN"
F 7 "Quartz 32.768KHz 12.5pF -40C +85C 10ppm" H 5250 4300 60  0001 C CNN "Description"
	1    5250 4300
	0    -1   1    0   
$EndComp
Wire Wire Line
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Connection ~ 5250 4100
$Comp
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L C C40
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U 1 1 57B57860
P 5750 4750
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F 0 "C40" H 5865 4796 50  0000 L CNN
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F 1 "12pF" H 5865 4705 50  0000 L CNN
F 2 "Resistors_SMD:R_0603" H 5788 4600 50  0001 C CNN
F 3 "" H 5750 4750 50  0000 C CNN
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F 4 "Vishay" H 7000 2150 60  0001 C CNN "MFN"
F 5 "VJ0603A120KXJPW1BC" H 7000 2150 60  0001 C CNN "MFP"
F 6 "77-VJ0603A120KXJPBC" H 7000 2150 60  0001 C CNN "S1PN"
F 7 "16V, C0G, 10%, 0603" H 7000 2150 60  0001 C CNN "Description"
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	1    5750 4750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5750 4900 5750 5000
$Comp
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L GND #PWR088
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U 1 1 57B578C5
P 5750 5000
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F 0 "#PWR088" H 5750 4750 50  0001 C CNN
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F 1 "GND" H 5755 4827 50  0000 C CNN
F 2 "" H 5750 5000 50  0000 C CNN
F 3 "" H 5750 5000 50  0000 C CNN
	1    5750 5000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4700 4700 4700 5000
$Comp
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L GND #PWR089
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U 1 1 57B579F8
P 4700 5000
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F 0 "#PWR089" H 4700 4750 50  0001 C CNN
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F 1 "GND" H 4705 4827 50  0000 C CNN
F 2 "" H 4700 5000 50  0000 C CNN
F 3 "" H 4700 5000 50  0000 C CNN
	1    4700 5000
	-1   0    0    -1  
$EndComp
Wire Wire Line
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Text HLabel 4000 4500 0    60   Output ~ 0
IRQ
$Comp
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L +3V3 #PWR090
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U 1 1 57B57CFE
P 6900 2500
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F 0 "#PWR090" H 6900 2350 50  0001 C CNN
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F 1 "+3V3" H 6915 2673 50  0000 C CNN
F 2 "" H 6900 2500 50  0000 C CNN
F 3 "" H 6900 2500 50  0000 C CNN
	1    6900 2500
	1    0    0    -1  
$EndComp
$Comp
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L C C42
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U 1 1 57B581B3
P 7300 3850
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F 0 "C42" H 7415 3896 50  0000 L CNN
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F 1 "10nF" H 7415 3805 50  0000 L CNN
F 2 "Resistors_SMD:R_0603" H 7338 3700 50  0001 C CNN
F 3 "" H 7300 3850 50  0000 C CNN
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F 4 "Wurth Electronics" H 7000 2150 60  0001 C CNN "MFN"
F 5 "885012206065" H 7000 2150 60  0001 C CNN "MFP"
F 6 "710-885012206065" H 7000 2150 60  0001 C CNN "S1PN"
F 7 "25V, X7R, 10%, 10nF, 0603" H 7000 2150 60  0001 C CNN "Description"
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	1    7300 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
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$Comp
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L CP C41
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U 1 1 57B583E8
P 6500 3850
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F 0 "C41" H 6615 3896 50  0000 L CNN
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F 1 "0.47F" H 6615 3805 50  0000 L CNN
F 2 "PowerCap:KR-5R5Cxx4-R" H 6538 3700 50  0001 C CNN
F 3 "" H 6500 3850 50  0000 C CNN
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F 4 "Eaton" H 6500 3850 60  0001 C CNN "MFN"
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F 5 "KR-5R5C474-R" H 6500 3850 60  0001 C CNN "MFP"
F 6 "504-KR-5R5C474-R" H 6500 3850 60  0001 C CNN "S1PN"
F 7 "5.5V Supercap" H 6500 3850 60  0001 C CNN "Description"
	1    6500 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
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Connection ~ 6500 3500
Wire Wire Line
	6500 4000 6500 4200
Wire Wire Line
	7300 4000 7300 4200
$Comp
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L GND #PWR091
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U 1 1 57B585B6
P 6500 4200
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F 0 "#PWR091" H 6500 3950 50  0001 C CNN
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F 1 "GND" H 6505 4027 50  0000 C CNN
F 2 "" H 6500 4200 50  0000 C CNN
F 3 "" H 6500 4200 50  0000 C CNN
	1    6500 4200
	1    0    0    -1  
$EndComp
$Comp
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L GND #PWR092
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U 1 1 57B585D9
P 7300 4200
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F 0 "#PWR092" H 7300 3950 50  0001 C CNN
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F 1 "GND" H 7305 4027 50  0000 C CNN
F 2 "" H 7300 4200 50  0000 C CNN
F 3 "" H 7300 4200 50  0000 C CNN
	1    7300 4200
	1    0    0    -1  
$EndComp
$Comp
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L R R32
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U 1 1 57B586D2
P 6900 2750
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F 0 "R32" V 6693 2750 50  0000 C CNN
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F 1 "100R" V 6784 2750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 6830 2750 50  0001 C CNN
F 3 "" H 6900 2750 50  0000 C CNN
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F 4 "Panasonic" H 5550 3850 60  0001 C CNN "MFN"
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F 5 "ERJ-3EKF1000V" H 5550 3850 60  0001 C CNN "MFP"
F 6 "667-ERJ-3EKF1000V" H 5550 3850 60  0001 C CNN "S1PN"
F 7 "1%, 75V, 0603" H 5550 3850 60  0001 C CNN "Description"
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	1    6900 2750
	-1   0    0    1   
$EndComp
Wire Wire Line
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$Comp
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L D_Schottky_x2_ACom_KKA D11
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U 1 1 57B58B53
P 6900 3200
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F 0 "D11" H 6900 3324 50  0000 C CNN
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F 1 "Diode" H 6900 3415 50  0000 C CNN
F 2 "Housings_SOT-23_SOT-143_TSOT-6:SOT-23" H 6900 3200 50  0001 C CNN
F 3 "" H 6900 3200 50  0000 C CNN
F 4 "Diodes Incorporated" H 6900 3200 60  0001 C CNN "MFN"
F 5 "BAW156-7-F" H 6900 3200 60  0001 C CNN "MFP"
F 6 "621-BAW156-F" H 6900 3200 60  0001 C CNN "S1PN"
F 7 "Low leakage 85V" H 6900 3200 60  0001 C CNN "Description"
	1    6900 3200
	1    0    0    1   
$EndComp
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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Text Notes 5300 3300 0    60   ~ 0
Supercap charge @33mA\n90% charge time:\n2*R*C = 94s
$Comp
L STM32F107VCT U1
U 5 1 57BE29BE
P 1400 4100
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AR Path="/57BE29BE" Ref="U1"  Part="5" 
AR Path="/57A213DD/57BE29BE" Ref="U1"  Part="5" 
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F 0 "U1" H 1824 4645 50  0000 C CNN
F 1 "STM32F107VCT" H 1824 4554 50  0000 C CNN
F 2 "Housings_QFP:LQFP-100_14x14mm_Pitch0.5mm" H 1824 4463 50  0001 C CNN
F 3 "" H 1400 4100 50  0000 C CNN
F 4 "STMicroelectronics" H 10200 5800 60  0001 C CNN "MFN"
F 5 "STM32F107VCT7" H 10200 5800 60  0001 C CNN "MFP"
F 6 "511-STM32F107VCT7" H 10200 5800 60  0001 C CNN "S1PN"
F 7 "STM32 Connectivity, 72MHz, 256/64kB" H 10200 5800 60  0001 C CNN "Description"
	5    1400 4100
	1    0    0    -1  
$EndComp
Connection ~ 7300 3500
Wire Wire Line
	4700 3500 4700 3900
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Connection ~ 3350 4200
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Wire Wire Line
	4300 4400 4000 4400
Text HLabel 4000 4400 0    60   Output ~ 0
OSC_OUT
Text Label 3900 4100 0    60   ~ 0
SCL
Text Label 3900 4200 0    60   ~ 0
SDA
$Comp
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L R R30
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U 1 1 57CE1FC1
P 2500 3750
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F 0 "R30" V 2580 3750 50  0000 C CNN
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F 1 "4k7" V 2400 3750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 2430 3750 50  0001 C CNN
F 3 "" H 2500 3750 50  0000 C CNN
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F 4 "Panasonic" H 5550 3850 60  0001 C CNN "MFN"
F 5 "ERJ-3GEYJ472V" H 5550 3850 60  0001 C CNN "MFP"
F 6 "667-ERJ-3GEYJ472V" H 5550 3850 60  0001 C CNN "S1PN"
F 7 "75V, 5%, 0603" H 5550 3850 60  0001 C CNN "Description"
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	1    2500 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
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Wire Wire Line
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Connection ~ 2500 4100
Wire Wire Line
	2800 3900 2800 4200
Connection ~ 2800 4200
$Comp
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L +3V3 #PWR093
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U 1 1 57CE211C
P 2500 3300
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F 0 "#PWR093" H 2500 3150 50  0001 C CNN
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F 1 "+3V3" H 2500 3440 50  0000 C CNN
F 2 "" H 2500 3300 50  0000 C CNN
F 3 "" H 2500 3300 50  0000 C CNN
	1    2500 3300
	1    0    0    -1  
$EndComp
$Comp
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L +3V3 #PWR094
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U 1 1 57CE2151
P 2800 3300
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F 0 "#PWR094" H 2800 3150 50  0001 C CNN
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F 1 "+3V3" H 2800 3440 50  0000 C CNN
F 2 "" H 2800 3300 50  0000 C CNN
F 3 "" H 2800 3300 50  0000 C CNN
	1    2800 3300
	1    0    0    -1  
$EndComp
$Comp
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L R R31
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U 1 1 57CE26D3
P 2800 3750
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F 0 "R31" V 2880 3750 50  0000 C CNN
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F 1 "4k7" V 2700 3750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 2730 3750 50  0001 C CNN
F 3 "" H 2800 3750 50  0000 C CNN
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F 4 "Panasonic" H 5550 3850 60  0001 C CNN "MFN"
F 5 "ERJ-3GEYJ472V" H 5550 3850 60  0001 C CNN "MFP"
F 6 "667-ERJ-3GEYJ472V" H 5550 3850 60  0001 C CNN "S1PN"
F 7 "75V, 5%, 0603" H 5550 3850 60  0001 C CNN "Description"
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	1    2800 3750
	1    0    0    -1  
$EndComp
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Text Notes 5050 2850 0    60   ~ 0
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Local RTC + Supercap\nTracks time during power outage
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$Comp
L STM32F107VCT U?
U 9 1 582BAB57
P 1500 2500
AR Path="/582BAB57" Ref="U?"  Part="5" 
AR Path="/57A213DD/582BAB57" Ref="U1"  Part="9" 
AR Path="/57A213D7/582BAB57" Ref="U?"  Part="8" 
F 0 "U1" H 1924 3045 50  0000 C CNN
F 1 "STM32F107VCT" H 1924 2954 50  0000 C CNN
F 2 "Housings_QFP:LQFP-100_14x14mm_Pitch0.5mm" H 1924 2863 50  0001 C CNN
F 3 "" H 1500 2500 50  0000 C CNN
F 4 "STMicroelectronics" H 10300 4200 60  0001 C CNN "MFN"
F 5 "STM32F107VCT7" H 10300 4200 60  0001 C CNN "MFP"
F 6 "511-STM32F107VCT7" H 10300 4200 60  0001 C CNN "S1PN"
F 7 "STM32 Connectivity, 72MHz, 256/64kB" H 10300 4200 60  0001 C CNN "Description"
	9    1500 2500
	1    0    0    -1  
$EndComp
Connection ~ 3450 4100
$Comp
L CONN_02X05 P15
U 1 1 582BAB5F
P 3250 2500
F 0 "P15" H 3250 2800 50  0000 C CNN
F 1 "UART3" H 3250 2200 50  0000 C CNN
F 2 "SMD_pin_header:TH_2mm_02x05" H 3250 2500 50  0001 C CNN
F 3 "" H 3250 2500 50  0000 C CNN
F 4 "OB" V 3250 2500 60  0000 C CNN "Installed"
	1    3250 2500
	0    1    1    0   
$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	3700 2150 3700 2350
$Comp
L GND #PWR095
U 1 1 582ED796
P 3700 2350
F 0 "#PWR095" H 3700 2100 50  0001 C CNN
F 1 "GND" H 3700 2200 50  0000 C CNN
F 2 "" H 3700 2350 50  0000 C CNN
F 3 "" H 3700 2350 50  0000 C CNN
	1    3700 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 2250 3450 2050
$Comp
L +3V3 #PWR096
U 1 1 582ED814
P 3450 2050
F 0 "#PWR096" H 3450 1900 50  0001 C CNN
F 1 "+3V3" H 3450 2190 50  0000 C CNN
F 2 "" H 3450 2050 50  0000 C CNN
F 3 "" H 3450 2050 50  0000 C CNN
	1    3450 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 2250 3250 2050
$Comp
L +5V #PWR097
U 1 1 582ED893
P 3250 2050
F 0 "#PWR097" H 3250 1900 50  0001 C CNN
F 1 "+5V" H 3250 2190 50  0000 C CNN
F 2 "" H 3250 2050 50  0000 C CNN
F 3 "" H 3250 2050 50  0000 C CNN
	1    3250 2050
	1    0    0    -1  
$EndComp
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$EndSCHEMATC