--- /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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+P 1050 6650
+F 0 "C2" H 1165 6696 50 0000 L CNN
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+$EndComp
+$Comp
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+$EndComp
+$Comp
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+$EndComp
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+$EndComp
+$Comp
+L Device:CP C6
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+$EndComp
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+Wire Wire Line
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+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
+$EndComp
+Wire Wire Line
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+$EndComp
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+Wire Wire Line
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+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
+$EndComp
+Text Label 1875 700 1 50 ~ 0
+VSS
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+Wire Wire Line
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+Wire Wire Line
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+D+
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+Wire Wire Line
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+$Comp
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+ 0 1 1 0
+$EndComp
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+MISO
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+DSP_DI
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+=> OLED display
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+USB
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+Wire Wire Line
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+Keypad
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+Rotary encode
+$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
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+F 3 "~" H 10125 2725 50 0001 C CNN
+ 1 10125 2725
+ 1 0 0 -1
+$EndComp
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+VSS
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+VDD
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+Text Label 10425 2525 0 50 ~ 0
+DSP_SCLK
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+DSP_DI
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+VSS
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+$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
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+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
+$EndComp
+Wire Wire Line
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+Text Label 6625 2125 2 50 ~ 0
+VSS
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+P 6025 875
+F 0 "C9" V 5773 875 50 0000 C CNN
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+ 0 1 1 0
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+P 6700 1575
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+ 1 6700 1575
+ 1 0 0 -1
+$EndComp
+$Comp
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+U 1 1 5F627A6B
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+ 1 2000 1075
+ 0 1 1 0
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 7075 2125
+$Comp
+L Device:Crystal_GND24_Small Y1
+U 1 1 5F798C81
+P 4100 4750
+F 0 "Y1" V 4054 4838 50 0000 L CNN
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+F 2 "Crystal:Crystal_SMD_Abracon_ABM3B-4Pin_5.0x3.2mm" H 4100 4750 50 0001 C CNN
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+ 0 1 1 0
+$EndComp
+$Comp
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+ 1 3825 4600
+ 0 1 1 0
+$EndComp
+$Comp
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+U 1 1 5F79B11B
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+F 0 "C15" V 3573 4925 50 0000 C CNN
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+ 1 3825 4925
+ 0 1 1 0
+$EndComp
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+Wire Wire Line
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+Connection ~ 4100 4600
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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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+Wire Wire Line
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+Connection ~ 8725 1725
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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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+$Comp
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+U 1 1 5FA08C32
+P 9100 1550
+F 0 "C11" H 9218 1596 50 0000 L CNN
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+F 3 "~" H 9100 1550 50 0001 C CNN
+ 1 9100 1550
+ 1 0 0 -1
+$EndComp
+$Comp
+L Device:R R12
+U 1 1 5FA07EBD
+P 8725 1975
+F 0 "R12" H 8795 2021 50 0000 L CNN
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+F 3 "~" H 8725 1975 50 0001 C CNN
+ 1 8725 1975
+ 1 0 0 -1
+$EndComp
+$Comp
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+F 3 "~" H 8725 1475 50 0001 C CNN
+ 1 8725 1475
+ 1 0 0 -1
+$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
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+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
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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
+ 5825 4900 5825 5025
+Wire Wire Line
+ 5825 5025 6425 5025
+Wire Wire Line
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+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
