diff -r 000000000000 -r a70499980c1d hp34970.sch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hp34970.sch	Sat Sep 19 21:03:39 2020 +0200
@@ -0,0 +1,1697 @@
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+F 0 "C12" H 10415 1496 50  0000 L CNN
+F 1 "100n" H 10415 1405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 10338 1300 50  0001 C CNN
+F 3 "~" H 10300 1450 50  0001 C CNN
+	1    10300 1450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9800 775  9800 875 
+Wire Wire Line
+	9800 1175 9800 1225
+Wire Wire Line
+	9800 1225 10300 1225
+Wire Wire Line
+	10300 1225 10300 1300
+Connection ~ 9800 1225
+Wire Wire Line
+	9800 1225 9800 1300
+Text Label 10300 1750 0    50   ~ 0
+-18V_FP
+Text Label 9800 775  0    50   ~ 0
++18V_FLT
+Text Label 10300 1225 0    50   ~ 0
++6V_FP
+$Comp
+L Comparator:LM339 U1
+U 5 1 5F5EA8AE
+P 10850 1450
+F 0 "U1" H 10808 1496 50  0000 L CNN
+F 1 "LM339" H 10808 1405 50  0000 L CNN
+F 2 "Package_SO:SO-14_5.3x10.2mm_P1.27mm" H 10800 1550 50  0001 C CNN
+F 3 "https://www.st.com/resource/en/datasheet/lm139.pdf" H 10900 1650 50  0001 C CNN
+	5    10850 1450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	10300 1750 10750 1750
+Wire Wire Line
+	10300 1225 10300 1150
+Wire Wire Line
+	10300 1150 10750 1150
+Connection ~ 10300 1225
+Wire Wire Line
+	10400 4975 10400 5150
+Wire Wire Line
+	10200 4775 10100 4775
+Wire Wire Line
+	10100 4775 10100 5150
+Text Label 10400 5150 0    50   ~ 0
+GND_FLT
+Text Label 10100 5150 2    50   ~ 0
+FPSTBY
+Text Label 10000 4000 2    50   ~ 0
+VDD
+$Comp
+L Device:C C2
+U 1 1 5F65C457
+P 1050 6650
+F 0 "C2" H 1165 6696 50  0000 L CNN
+F 1 "100n" H 1165 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 1088 6500 50  0001 C CNN
+F 3 "~" H 1050 6650 50  0001 C CNN
+	1    1050 6650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C3
+U 1 1 5F65DE1F
+P 1425 6650
+F 0 "C3" H 1540 6696 50  0000 L CNN
+F 1 "100n" H 1540 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 1463 6500 50  0001 C CNN
+F 3 "~" H 1425 6650 50  0001 C CNN
+	1    1425 6650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C7
+U 1 1 5F65ECD6
+P 3200 6650
+F 0 "C7" H 3315 6696 50  0000 L CNN
+F 1 "10n" H 3315 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 3238 6500 50  0001 C CNN
+F 3 "~" H 3200 6650 50  0001 C CNN
+	1    3200 6650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:CP C1
+U 1 1 5F65F5BC
+P 725 6650
+F 0 "C1" H 843 6696 50  0000 L CNN
+F 1 "4.7u" H 843 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 763 6500 50  0001 C CNN
+F 3 "~" H 725 6650 50  0001 C CNN
+	1    725  6650
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:CP C6
+U 1 1 5F66BAEE
+P 2900 6650
+F 0 "C6" H 3018 6696 50  0000 L CNN
+F 1 "1u" H 3018 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 2938 6500 50  0001 C CNN
+F 3 "~" H 2900 6650 50  0001 C CNN
+	1    2900 6650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	725  6500 725  6375
+Wire Wire Line
+	1425 6500 1425 6375
+Wire Wire Line
+	1050 6500 1050 6375
+Wire Wire Line
+	725  6375 1050 6375
+Connection ~ 1050 6375
+Wire Wire Line
+	1050 6375 1425 6375
+Wire Wire Line
+	725  6800 725  6950
+Wire Wire Line
+	725  6950 1050 6950
+Wire Wire Line
+	1425 6800 1425 6950
+Wire Wire Line
+	1050 6800 1050 6950
+Connection ~ 1050 6950
+Wire Wire Line
+	1050 6950 1425 6950
+Text Label 1050 6375 0    50   ~ 0
+VDD
+Text Label 1050 6950 0    50   ~ 0
+VSS
+Wire Wire Line
+	1425 6950 1750 6950
+Connection ~ 1425 6950
+Wire Wire Line
+	2900 6500 2900 6375
+Wire Wire Line
+	2900 6375 3200 6375
+Wire Wire Line
+	3200 6375 3200 6500
+Wire Wire Line
+	2900 6800 2900 6950
+Wire Wire Line
+	2900 6950 3200 6950
+Wire Wire Line
+	3200 6950 3200 6800
+Text Label 2900 6375 0    50   ~ 0
+VDD
+Text Label 2900 6950 0    50   ~ 0
+VSS
+Wire Wire Line
+	5150 3300 5150 3175
+Wire Wire Line
+	5150 3175 5250 3175
+Wire Wire Line
+	5250 3175 5250 3300
+Wire Wire Line
+	5350 3300 5350 3175
+Text Label 5250 3175 1    50   ~ 0
+VDD
+Wire Wire Line
+	4950 6900 4950 6975
+Wire Wire Line
+	4950 6975 5050 6975
+Wire Wire Line
+	5050 6975 5050 6900
+Wire Wire Line
+	5050 6975 5150 6975
+Wire Wire Line
+	5150 6975 5150 6900
+Connection ~ 5050 6975
+Wire Wire Line
+	5250 6900 5250 6975
+Text Label 4950 6975 3    50   ~ 0
+VSS
+$Comp
+L MCU_ST_STM32F3:STM32F303RDTx U2
+U 1 1 5F7188D6
+P 5050 5100
+F 0 "U2" H 5075 3925 50  0000 C CNN
+F 1 "STM32F303RDTx" H 5050 6025 50  0000 C CNN
+F 2 "Package_QFP:LQFP-64_10x10mm_P0.5mm" H 4450 3400 50  0001 R CNN
+F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00118585.pdf" H 5050 5100 50  0001 C CNN
+	1    5050 5100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4850 6900 4850 6975
+Wire Wire Line
+	4850 6975 4950 6975
+Connection ~ 4950 6975
+$Comp
+L Device:C C4
+U 1 1 5F736EE5
+P 1750 6650
+F 0 "C4" H 1865 6696 50  0000 L CNN
+F 1 "100n" H 1865 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 1788 6500 50  0001 C CNN
+F 3 "~" H 1750 6650 50  0001 C CNN
+	1    1750 6650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1425 6375 1750 6375
+Wire Wire Line
+	1750 6375 1750 6500
+Connection ~ 1425 6375
+Wire Wire Line
+	1750 6800 1750 6950
+Wire Wire Line
+	4950 3300 4950 3175
+Wire Wire Line
+	4950 3175 5050 3175
+Connection ~ 5150 3175
+Wire Wire Line
+	5050 3300 5050 3175
+Connection ~ 5050 3175
+Wire Wire Line
+	5050 3175 5150 3175
+$Comp
+L 500075-1517:500075-1517 J2
+U 1 1 5F7AA097
+P 1400 1075
+F 0 "J2" H 1600 1600 50  0000 C CNN
+F 1 "USB_B" H 1600 1075 50  0000 C CNN
+F 2 "hp34970:MOLEX_500075-1517" H 1550 1025 50  0001 C CNN
+F 3 " ~" H 1550 1025 50  0001 C CNN
+	1    1400 1075
+	-1   0    0    1   
+$EndComp
+Text Label 1875 700  1    50   ~ 0
+VSS
+Wire Wire Line
+	1700 975  1875 975 
+Wire Wire Line
+	1875 975  1875 775 
+Wire Wire Line
+	1700 775  1775 775 
+Connection ~ 1875 775 
+Wire Wire Line
+	1875 775  1875 700 
+Text Label 1700 1175 0    50   ~ 0
+D+
+Text Label 1700 1275 0    50   ~ 0
+D-
+Wire Wire Line
+	5750 4600 6075 4600
+Wire Wire Line
+	5750 4700 5925 4700
+Text Label 6075 4600 0    50   ~ 0
+D-
+Text Label 6075 4700 0    50   ~ 0
+D+
+$Comp
+L Device:R R10
+U 1 1 5F7C7E98
+P 6150 4800
+F 0 "R10" V 6225 4775 50  0000 C CNN
+F 1 "1.5k" V 6150 4800 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 6080 4800 50  0001 C CNN
+F 3 "~" H 6150 4800 50  0001 C CNN
+	1    6150 4800
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	6000 4800 5925 4800
+Wire Wire Line
+	5925 4800 5925 4700
+Connection ~ 5925 4700
+Wire Wire Line
+	5925 4700 6075 4700
+Wire Wire Line
+	6300 4800 6425 4800
+Text Label 6425 4800 0    50   ~ 0
+VDD
+Text Label 5750 4000 0    50   ~ 0
+DSP_SCLK
+Text Label 5750 4100 0    50   ~ 0
+MISO
+Text Label 5750 4200 0    50   ~ 0
+DSP_DI
+Text Notes 6025 4100 0    50   ~ 0
+=> OLED display
+Text Notes 6250 4625 0    50   ~ 0
+USB
+Text Label 3900 5600 2    50   ~ 0
+TXD
+Text Label 3900 5700 2    50   ~ 0
+RXD
+Wire Wire Line
+	3900 5700 4350 5700
+Wire Wire Line
+	4350 5600 3900 5600
+Text Label 6425 5125 0    50   ~ 0
+RST
+Wire Wire Line
+	5750 3600 6200 3600
+Wire Wire Line
+	5750 3500 6200 3500
+Text Label 6200 3600 0    50   ~ 0
+RE_A
+Text Label 6200 3500 0    50   ~ 0
+RE_B
+Wire Wire Line
+	5750 5200 6075 5200
+Wire Wire Line
+	5750 5300 6075 5300
+Wire Wire Line
+	5750 5400 6075 5400
+Wire Wire Line
+	5750 5600 6075 5600
+Wire Wire Line
+	5750 5700 6075 5700
+Wire Wire Line
+	5750 5800 6075 5800
+Wire Wire Line
+	5750 5900 6075 5900
+Wire Wire Line
+	5750 6000 6075 6000
+Text Label 4350 5400 2    50   ~ 0
+KP_C0
+Text Label 4350 5300 2    50   ~ 0
+KP_C1
+Text Label 4350 5200 2    50   ~ 0
+KP_C2
+Text Label 6075 5600 0    50   ~ 0
+KP_C3
+Text Label 6075 5200 0    50   ~ 0
+KP_C4
+Text Label 6075 5700 0    50   ~ 0
+KP_R0
+Text Label 6075 5800 0    50   ~ 0
+KP_R1
+Text Label 6075 5900 0    50   ~ 0
+KP_R2
+Text Label 6075 6000 0    50   ~ 0
+KP_R3
+Text Notes 6400 5375 0    50   ~ 0
+Keypad
+Text Notes 6975 3600 2    50   ~ 0
+Rotary encode
+$Comp
+L Connector_Generic:Conn_02x08_Odd_Even J3
+U 1 1 5F8AC0C5
+P 10125 2725
+F 0 "J3" H 10175 3242 50  0000 C CNN
+F 1 "Conn_02x08_Odd_Even" H 10175 3151 50  0000 C CNN
+F 2 "hp34970:SSD1322_DSP" H 10125 2725 50  0001 C CNN
+F 3 "~" H 10125 2725 50  0001 C CNN
+	1    10125 2725
+	1    0    0    -1  
+$EndComp
+Text Label 9925 2425 2    50   ~ 0
+VSS
+Text Label 10425 2425 0    50   ~ 0
+VDD
+NoConn ~ 9925 2525
+Text Label 10425 2525 0    50   ~ 0
+DSP_SCLK
+Text Label 9925 2625 2    50   ~ 0
+DSP_DI
+NoConn ~ 10425 2625
+Wire Wire Line
+	9925 2725 9825 2725
+Wire Wire Line
+	9825 2725 9825 2825
+Wire Wire Line
+	9825 3025 9925 3025
+Wire Wire Line
+	9925 2825 9825 2825
+Connection ~ 9825 2825
+Wire Wire Line
+	9825 2825 9825 2925
+Wire Wire Line
+	9925 2925 9825 2925
+Connection ~ 9825 2925
+Wire Wire Line
+	9825 2925 9825 3025
+Wire Wire Line
+	10425 2725 10525 2725
+Wire Wire Line
+	10525 2725 10525 2825
+Wire Wire Line
+	10525 2925 10425 2925
+Wire Wire Line
+	10425 2825 10525 2825
+Connection ~ 10525 2825
+Wire Wire Line
+	10525 2825 10525 2925
+Text Label 10525 2925 0    50   ~ 0
+VSS
+Text Label 9825 3025 2    50   ~ 0
+VSS
+Text Label 10425 3025 0    50   ~ 0
+DSP_DC
+Text Label 9925 3125 2    50   ~ 0
+\DSP_RST
+Text Label 10425 3125 0    50   ~ 0
+DSP_CS
+Text Label 5750 3900 0    50   ~ 0
+DSP_DC
+Text Label 5750 3800 0    50   ~ 0
+\DSP_RST
+Text Label 5750 3700 0    50   ~ 0
+DSP_CS
+NoConn ~ 1700 1375
+$Comp
+L TPS560430X3FDBVR:TPS560430X3FDBVR IC1
+U 1 1 5F95A3D5
+P 5525 1325
+F 0 "IC1" H 6025 1590 50  0000 C CNN
+F 1 "TPS560430X3FDBVR" H 6025 1499 50  0000 C CNN
+F 2 "Package_TO_SOT_SMD:SOT-23-6" H 6375 1425 50  0001 L CNN
+F 3 "http://www.ti.com/lit/gpn/tps560430" H 6375 1325 50  0001 L CNN
+F 4 "SIMPLE SWITCHER 36-V, 600-mA Buck Regulator With High-Efficiency Sleep Mode" H 6375 1225 50  0001 L CNN "Description"
+F 5 "1.45" H 6375 1125 50  0001 L CNN "Height"
+F 6 "595-TPS560430X3FDBVR" H 6375 1025 50  0001 L CNN "Mouser2 Part Number"
+F 7 "https://www.mouser.com/Search/Refine.aspx?Keyword=595-TPS560430X3FDBVR" H 6375 925 50  0001 L CNN "Mouser2 Price/Stock"
+F 8 "Texas Instruments" H 6375 825 50  0001 L CNN "Manufacturer_Name"
+F 9 "TPS560430X3FDBVR" H 6375 725 50  0001 L CNN "Manufacturer_Part_Number"
+	1    5525 1325
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:CP C10
+U 1 1 5F9602B4
+P 7075 1725
+F 0 "C10" H 7100 1800 50  0000 L CNN
+F 1 "4.7u" H 7175 1725 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 7113 1575 50  0001 C CNN
+F 3 "~" H 7075 1725 50  0001 C CNN
+F 4 "3mOhm" H 7225 1625 50  0000 C CNN "Value2"
+	1    7075 1725
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6700 2100 6700 2125
+Text Label 6625 2125 2    50   ~ 0
+VSS
+$Comp
+L Device:C C9
+U 1 1 5F98274A
+P 6025 875
+F 0 "C9" V 5773 875 50  0000 C CNN
+F 1 "100n" V 5864 875 50  0000 C CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 6063 725 50  0001 C CNN
+F 3 "~" H 6025 875 50  0001 C CNN
+F 4 "64mOhm" V 5950 1100 50  0000 C CNN "Value2"
+	1    6025 875 
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5875 875  5425 875 
+Wire Wire Line
+	5425 875  5425 1325
+Wire Wire Line
+	5425 1325 5525 1325
+Wire Wire Line
+	6175 875  6700 875 
+Wire Wire Line
+	6700 875  6700 1325
+Wire Wire Line
+	6700 1325 6525 1325
+Wire Wire Line
+	8200 1325 6700 1325
+Connection ~ 6700 1325
+Wire Wire Line
+	5425 1525 5525 1525
+Wire Wire Line
+	5525 1425 5300 1425
+Wire Wire Line
+	5300 1425 5300 1750
+Text Label 5300 1750 2    50   ~ 0
+VSS
+Text Label 7450 1425 0    50   ~ 0
+GND_FLT
+Text Label 4175 2450 2    50   ~ 0
+-18V_FP
+Text Label 4325 2450 0    50   ~ 0
+VSS
+Wire Wire Line
+	4175 2450 4325 2450
+Wire Wire Line
+	5150 6975 5250 6975
+Connection ~ 5150 6975
+Wire Wire Line
+	5350 3175 5250 3175
+Connection ~ 5250 3175
+$Comp
+L Device:C C5
+U 1 1 5FAF4256
+P 2075 6650
+F 0 "C5" H 2190 6696 50  0000 L CNN
+F 1 "100n" H 2190 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 2113 6500 50  0001 C CNN
+F 3 "~" H 2075 6650 50  0001 C CNN
+	1    2075 6650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1750 6375 2075 6375
+Wire Wire Line
+	2075 6375 2075 6500
+Connection ~ 1750 6375
+Wire Wire Line
+	1750 6950 2075 6950
+Wire Wire Line
+	2075 6950 2075 6800
+Connection ~ 1750 6950
+NoConn ~ 4350 5000
+NoConn ~ 4350 5500
+NoConn ~ 4350 5800
+NoConn ~ 4350 5900
+NoConn ~ 4350 6000
+NoConn ~ 4350 6200
+NoConn ~ 4350 6300
+NoConn ~ 4350 6400
+NoConn ~ 4350 6500
+NoConn ~ 4350 6600
+NoConn ~ 4350 6700
+NoConn ~ 5750 6700
+NoConn ~ 5750 6600
+NoConn ~ 5750 6500
+NoConn ~ 5750 6400
+NoConn ~ 5750 6300
+NoConn ~ 5750 6200
+NoConn ~ 5750 6100
+NoConn ~ 5750 4500
+NoConn ~ 5750 4400
+NoConn ~ 5750 4300
+NoConn ~ 5750 4100
+$Comp
+L Device:R R14
+U 1 1 5F5724DF
+P 6700 1575
+F 0 "R14" H 6750 1625 50  0000 L CNN
+F 1 "412k" H 6750 1550 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 6630 1575 50  0001 C CNN
+F 3 "~" H 6700 1575 50  0001 C CNN
+	1    6700 1575
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R15
+U 1 1 5F627A6B
+P 2000 1075
+F 0 "R15" V 1793 1075 50  0000 C CNN
+F 1 "100k" V 1884 1075 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 1930 1075 50  0001 C CNN
+F 3 "~" H 2000 1075 50  0001 C CNN
+	1    2000 1075
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	1700 1075 1850 1075
+Wire Wire Line
+	2150 1075 2225 1075
+Wire Wire Line
+	2225 1075 2225 775 
+Wire Wire Line
+	2225 775  1875 775 
+$Comp
+L Device:R R16
+U 1 1 5F653453
+P 6700 1950
+F 0 "R16" H 6775 2025 50  0000 L CNN
+F 1 "200k" H 6775 1950 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 6630 1950 50  0001 C CNN
+F 3 "~" H 6700 1950 50  0001 C CNN
+	1    6700 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6525 1425 6700 1425
+Wire Wire Line
+	6525 1525 6525 1750
+Wire Wire Line
+	6525 1750 6700 1750
+Wire Wire Line
+	6700 1750 6700 1725
+Wire Wire Line
+	6700 1800 6700 1750
+Connection ~ 6700 1750
+$Comp
+L Device:C C13
+U 1 1 5F73A60F
+P 7450 1725
+F 0 "C13" H 7475 1800 50  0000 L CNN
+F 1 "100n" H 7550 1725 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 7488 1575 50  0001 C CNN
+F 3 "~" H 7450 1725 50  0001 C CNN
+F 4 "30mOhm" H 7625 1625 50  0000 C CNN "Value2"
+	1    7450 1725
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6700 1425 7075 1425
+Wire Wire Line
+	7075 1425 7075 1575
+Connection ~ 6700 1425
+Wire Wire Line
+	7075 1425 7450 1425
+Wire Wire Line
+	7450 1425 7450 1575
+Connection ~ 7075 1425
+Wire Wire Line
+	7075 1875 7075 2125
+Wire Wire Line
+	7075 2125 6700 2125
+Connection ~ 6700 2125
+Wire Wire Line
+	6700 2125 6625 2125
+Wire Wire Line
+	7450 1875 7450 2125
+Wire Wire Line
+	7450 2125 7075 2125
+Connection ~ 7075 2125
+$Comp
+L Device:Crystal_GND24_Small Y1
+U 1 1 5F798C81
+P 4100 4750
+F 0 "Y1" V 4054 4838 50  0000 L CNN
+F 1 "16MHz" V 4145 4838 50  0000 L CNN
+F 2 "Crystal:Crystal_SMD_Abracon_ABM3B-4Pin_5.0x3.2mm" H 4100 4750 50  0001 C CNN
+F 3 "~" H 4100 4750 50  0001 C CNN
+	1    4100 4750
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:C C14
+U 1 1 5F79A47F
+P 3825 4600
+F 0 "C14" V 3573 4600 50  0000 C CNN
+F 1 "18p" V 3664 4600 50  0000 C CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 3863 4450 50  0001 C CNN
+F 3 "~" H 3825 4600 50  0001 C CNN
+	1    3825 4600
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:C C15
+U 1 1 5F79B11B
+P 3825 4925
+F 0 "C15" V 3573 4925 50  0000 C CNN
+F 1 "18p" V 3664 4925 50  0000 C CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 3863 4775 50  0001 C CNN
+F 3 "~" H 3825 4925 50  0001 C CNN
+	1    3825 4925
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	3975 4600 4100 4600
+Wire Wire Line
+	4100 4650 4100 4600
+Connection ~ 4100 4600
+Wire Wire Line
+	4100 4600 4350 4600
+Wire Wire Line
+	4350 4600 4350 4700
+Wire Wire Line
+	3975 4925 4100 4925
+Wire Wire Line
+	4100 4925 4100 4850
+Wire Wire Line
+	4100 4925 4350 4925
+Wire Wire Line
+	4350 4925 4350 4800
+Connection ~ 4100 4925
+Wire Wire Line
+	3675 4600 3600 4600
+Wire Wire Line
+	3600 4600 3600 4750
+Wire Wire Line
+	3600 4925 3675 4925
+Wire Wire Line
+	3600 4925 3600 5000
+Connection ~ 3600 4925
+Text Label 3600 5000 2    50   ~ 0
+VSS
+NoConn ~ 6075 5400
+NoConn ~ 6075 5300
+Wire Wire Line
+	5425 2300 5425 1525
+Connection ~ 9100 1325
+Wire Wire Line
+	9100 1325 9250 1325
+Text Label 9250 1325 0    50   ~ 0
+VDD
+Text Label 9100 1700 3    50   ~ 0
+VSS
+Text Label 8725 2125 3    50   ~ 0
+VSS
+Wire Wire Line
+	8725 1725 8725 1825
+Connection ~ 8725 1725
+Wire Wire Line
+	8500 2300 5425 2300
+Wire Wire Line
+	8500 1725 8500 2300
+Wire Wire Line
+	8725 1725 8500 1725
+Wire Wire Line
+	8725 1625 8725 1725
+Connection ~ 8725 1325
+Wire Wire Line
+	9100 1325 9100 1400
+Wire Wire Line
+	8725 1325 9100 1325
+Wire Wire Line
+	8500 1325 8725 1325
+$Comp
+L Device:CP C11
+U 1 1 5FA08C32
+P 9100 1550
+F 0 "C11" H 9218 1596 50  0000 L CNN
+F 1 "22u" H 9218 1505 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 9138 1400 50  0001 C CNN
+F 3 "~" H 9100 1550 50  0001 C CNN
+	1    9100 1550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R12
+U 1 1 5FA07EBD
+P 8725 1975
+F 0 "R12" H 8795 2021 50  0000 L CNN
+F 1 "22.1k" H 8795 1930 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 8655 1975 50  0001 C CNN
+F 3 "~" H 8725 1975 50  0001 C CNN
+	1    8725 1975
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R11
+U 1 1 5FA065BB
+P 8725 1475
+F 0 "R11" H 8795 1521 50  0000 L CNN
+F 1 "51k" H 8795 1430 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 8655 1475 50  0001 C CNN
+F 3 "~" H 8725 1475 50  0001 C CNN
+	1    8725 1475
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:L L1
+U 1 1 5F9958DB
+P 8350 1325
+F 0 "L1" V 8540 1325 50  0000 C CNN
+F 1 "8.2uH" V 8449 1325 50  0000 C CNN
+F 2 "hp34970:Bourns SNR2050TA inductor" H 8350 1325 50  0001 C CNN
+F 3 "~" H 8350 1325 50  0001 C CNN
+F 4 "150mOhm" V 8300 1325 50  0000 C CNN "Value2"
+	1    8350 1325
+	0    -1   -1   0   
+$EndComp
+$Comp
+L Device:R R18
+U 1 1 5F99123B
+P 4200 3925
+F 0 "R18" H 4270 3971 50  0000 L CNN
+F 1 "10k" H 4270 3880 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 4130 3925 50  0001 C CNN
+F 3 "~" H 4200 3925 50  0001 C CNN
+	1    4200 3925
+	1    0    0    -1  
+$EndComp
+Text Label 4150 4200 2    50   ~ 0
+VSS
+Wire Wire Line
+	4200 4200 4200 4075
+Wire Wire Line
+	4350 3700 4200 3700
+Wire Wire Line
+	4200 3700 4200 3775
+$Comp
+L Switch:SW_Push SW21
+U 1 1 5F9B0986
+P 3700 3900
+F 0 "SW21" V 3746 3852 50  0000 R CNN
+F 1 "RESET" V 3655 3852 50  0000 R CNN
+F 2 "Button_Switch_THT:SW_PUSH_6mm_H5mm" H 3700 4100 50  0001 C CNN
+F 3 "~" H 3700 4100 50  0001 C CNN
+	1    3700 3900
+	0    -1   -1   0   
+$EndComp
+$Comp
+L Switch:SW_Push SW22
+U 1 1 5F9B25A2
+P 4200 3150
+F 0 "SW22" V 4246 3102 50  0000 R CNN
+F 1 "DFU" V 4155 3102 50  0000 R CNN
+F 2 "Button_Switch_THT:SW_PUSH_6mm_H5mm" H 4200 3350 50  0001 C CNN
+F 3 "~" H 4200 3350 50  0001 C CNN
+	1    4200 3150
+	0    -1   -1   0   
+$EndComp
+$Comp
+L Device:C C17
+U 1 1 5F9B45D0
+P 3875 3900
+F 0 "C17" H 3990 3946 50  0000 L CNN
+F 1 "100n" H 3990 3855 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 3913 3750 50  0001 C CNN
+F 3 "~" H 3875 3900 50  0001 C CNN
+	1    3875 3900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3700 3500 3700 3700
+Wire Wire Line
+	3700 3500 3875 3500
+Wire Wire Line
+	3875 3750 3875 3500
+Connection ~ 3875 3500
+Wire Wire Line
+	3875 3500 4350 3500
+Wire Wire Line
+	3875 4050 3875 4200
+Wire Wire Line
+	3875 4200 4200 4200
+Wire Wire Line
+	3700 4100 3700 4200
+Wire Wire Line
+	3700 4200 3875 4200
+Connection ~ 3875 4200
+Wire Wire Line
+	4200 3700 4200 3350
+Connection ~ 4200 3700
+Wire Wire Line
+	4200 2950 5050 2950
+Wire Wire Line
+	5050 2950 5050 3175
+Wire Wire Line
+	4850 3300 4850 3175
+Wire Wire Line
+	4850 3175 4950 3175
+Connection ~ 4950 3175
+Wire Wire Line
+	2400 6500 2400 6375
+Wire Wire Line
+	2400 6375 2075 6375
+Connection ~ 2075 6375
+Wire Wire Line
+	2400 6800 2400 6950
+Wire Wire Line
+	2400 6950 2075 6950
+Connection ~ 2075 6950
+$Comp
+L Device:R R17
+U 1 1 5FA5F7E1
+P 3700 3350
+F 0 "R17" H 3770 3396 50  0000 L CNN
+F 1 "10k" H 3770 3305 50  0000 L CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 3630 3350 50  0001 C CNN
+F 3 "~" H 3700 3350 50  0001 C CNN
+	1    3700 3350
+	1    0    0    -1  
+$EndComp
+Connection ~ 3700 3500
+Wire Wire Line
+	3700 3200 3700 2950
+Wire Wire Line
+	3700 2950 4200 2950
+Connection ~ 4200 2950
+$Comp
+L Device:CP C16
+U 1 1 5F6BCBE4
+P 2400 6650
+F 0 "C16" H 2518 6696 50  0000 L CNN
+F 1 "10u" H 2518 6605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1206_3216Metric" H 2438 6500 50  0001 C CNN
+F 3 "~" H 2400 6650 50  0001 C CNN
+	1    2400 6650
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4000 4750 3975 4750
+Connection ~ 3600 4750
+Wire Wire Line
+	3600 4750 3600 4925
+Wire Wire Line
+	4200 4750 4200 4875
+Wire Wire Line
+	4200 4875 3975 4875
+Wire Wire Line
+	3975 4875 3975 4750
+Connection ~ 3975 4750
+Wire Wire Line
+	3975 4750 3600 4750
+Text Label 6425 5025 0    50   ~ 0
+SWCLK
+Text Label 6425 4950 0    50   ~ 0
+SWDIO
+Text Label 6425 5500 0    50   ~ 0
+SWO
+Wire Wire Line
+	5750 4800 5875 4800
+Wire Wire Line
+	5875 4800 5875 4950
+Wire Wire Line
+	5875 4950 6425 4950
+Wire Wire Line
+	5750 4900 5825 4900
+Wire Wire Line
+	5825 4900 5825 5025
+Wire Wire Line
+	5825 5025 6425 5025
+Wire Wire Line
+	5750 5000 5775 5000
+Wire Wire Line
+	5775 5000 5775 5125
+Wire Wire Line
+	5775 5125 6425 5125
+Wire Wire Line
+	5750 5500 6425 5500
+$Comp
+L Device:R R19
+U 1 1 5F87CDAB
+P 7700 2800
+F 0 "R19" V 7650 2950 50  0000 C CNN
+F 1 "22" V 7700 2800 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 7630 2800 50  0001 C CNN
+F 3 "~" H 7700 2800 50  0001 C CNN
+	1    7700 2800
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R20
+U 1 1 5F87E2C4
+P 7700 3000
+F 0 "R20" V 7650 3150 50  0000 C CNN
+F 1 "22" V 7700 3000 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 7630 3000 50  0001 C CNN
+F 3 "~" H 7700 3000 50  0001 C CNN
+	1    7700 3000
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R21
+U 1 1 5F87E7BB
+P 7700 3100
+F 0 "R21" V 7650 3250 50  0000 C CNN
+F 1 "22" V 7700 3100 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 7630 3100 50  0001 C CNN
+F 3 "~" H 7700 3100 50  0001 C CNN
+	1    7700 3100
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R22
+U 1 1 5F87EDD9
+P 7700 3200
+F 0 "R22" V 7650 3350 50  0000 C CNN
+F 1 "22" V 7700 3175 50  0000 C CNN
+F 2 "Resistor_SMD:R_1206_3216Metric" V 7630 3200 50  0001 C CNN
+F 3 "~" H 7700 3200 50  0001 C CNN
+	1    7700 3200
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	7400 2800 7550 2800
+Wire Wire Line
+	7400 3000 7550 3000
+Wire Wire Line
+	7400 3100 7550 3100
+Wire Wire Line
+	7400 3200 7550 3200
+Text Label 8075 2900 0    50   ~ 0
+VSS
+Text Label 8075 3000 0    50   ~ 0
+SWDIO
+Text Label 8075 2800 0    50   ~ 0
+SWCLK
+Text Label 3875 3500 0    50   ~ 0
+NRST
+Text Label 8075 3100 0    50   ~ 0
+NRST
+Text Label 8075 3200 0    50   ~ 0
+SWO
+Wire Wire Line
+	7850 3200 8075 3200
+Wire Wire Line
+	7850 3100 8075 3100
+Wire Wire Line
+	7850 3000 8075 3000
+Wire Wire Line
+	7850 2800 8075 2800
+Wire Wire Line
+	7400 2900 8075 2900
+Text Label 8075 2700 0    50   ~ 0
+VDD
+Wire Wire Line
+	7400 2700 8075 2700
+$Comp
+L Connector:Conn_01x06_Male J4
+U 1 1 5F87B10C
+P 7200 2900
+F 0 "J4" H 7308 3281 50  0000 C CNN
+F 1 "SWD" H 7308 3190 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal" H 7200 2900 50  0001 C CNN
+F 3 "~" H 7200 2900 50  0001 C CNN
+	1    7200 2900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1700 700  1775 700 
+Wire Wire Line
+	1775 700  1775 775 
+Connection ~ 1775 775 
+Wire Wire Line
+	1775 775  1875 775 
+Wire Wire Line
+	10300 1600 10300 1750
+Wire Wire Line
+	9800 1600 9800 1775
+Text Label 9800 1775 0    50   ~ 0
+GND_FLT
+$EndSCHEMATC