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PCB for ARM Cortex-M3 MCU
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@exarchou
exarchou committed Apr 7, 2023
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67 changes: 64 additions & 3 deletions README.md
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# PCB Design for ARM Cortex-M3

This project involves the schematic and PCB design of an Arduino like PCB for ARM Cortex-M3 MCU.

A 9V Battery connector and a Voltage Regulator were used from the side of the Power Supply.

For the MCU, several circuits were designed, such as Bypass Capacitors for the Analog and Digital Power, Crystal Oscillators, Reset Button, Serial Wire Debug Interface, Boot Options and the routing of 30 GPIO pins.



### Schematic MCU

<img src="/Smart_MCU/Images/Schematic_MCU.png" >



### Schematic Power Supply

<img src="/Smart_MCU/Images/Schematic_PS.png" >





### PCB before Polygons

<img src="/Smart_MCU/Images/PCB_2D_before_poly.png">





<img src="/Smart_MCU/Images/PCB_3D_before_poly.png">



<img src="/Smart_MCU/Images/PCB_3D_before_poly_back.png">



### PCB after Polygons

<img src="/Smart_MCU/Images/PCB_2D_after_poly.png">



<img src="/Smart_MCU/Images/PCB_3D_after_poly.png">



<img src="/Smart_MCU/Images/PCB_3D_after_poly_back.png">



### Bill of Materials

<img src="/Smart_MCU/Images/bill_of_mat.png">



---



# Altium 5V Regulator PCB design

This project involves the schematic and PCB design of a 5V Voltage Regulator using commercial components and the add-on Altium Library Loader.
Expand Down Expand Up @@ -102,6 +166,3 @@ The PCB design will consist of a two-layer configuration where all the component



### PCB 3D

<img src="USB_to_UART_Altium/Images/pcb3d.png">
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2 changes: 2 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 2-57-58 μμ.LOG
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Change Component Designator: Old Designator=U? New Designator=U2
Change Component Designator: Old Designator=U? New Designator=U2
2 changes: 2 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 3-09-16 μμ.LOG
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Change Component Designator: Old Designator=U? New Designator=U2
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19 changes: 19 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 5-15-29 μμ.LOG
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Change Component Designator: Old Designator=C? New Designator=C4
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Change Component Designator: Old Designator=C? New Designator=C11
Change Component Designator: Old Designator=C? New Designator=C12
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Change Component Designator: Old Designator=C? New Designator=C14
Change Component Designator: Old Designator=C? New Designator=C15
Change Component Designator: Old Designator=P? New Designator=P2
Change Component Designator: Old Designator=P? New Designator=P3
Change Component Designator: Old Designator=R? New Designator=R1
Change Component Designator: Old Designator=R? New Designator=R2
Change Component Designator: Old Designator=S? New Designator=S1
Change Component Designator: Old Designator=U? New Designator=U3
Change Component Designator: Old Designator=Y? New Designator=Y1
4 changes: 4 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 6-05-16 μμ.LOG
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Change Component Designator: Old Designator=C? New Designator=C12
Change Component Designator: Old Designator=C? New Designator=C13
Change Component Designator: Old Designator=C? New Designator=C14
Change Component Designator: Old Designator=C? New Designator=C15
1 change: 1 addition & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 6-34-42 μμ.LOG
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Change Component Designator: Old Designator=C? New Designator=C16
4 changes: 4 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 6-4-2023 6-37-54 μμ.LOG
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Change Component Designator: Old Designator=C? New Designator=C12
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Change Component Designator: Old Designator=C? New Designator=C14
Change Component Designator: Old Designator=C? New Designator=C15
62 changes: 62 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/MCU SCH ECO 7-4-2023 2-48-31 πμ.LOG
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Change Component Designator: Old Designator=P? New Designator=P4
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Change Component Designator: Old Designator=R? New Designator=R3
Change Component Designator: Old Designator=R? New Designator=R4
Change Component Designator: Old Designator=R? New Designator=R5
Change Component Designator: Old Designator=R? New Designator=R6
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Change Component Designator: Old Designator=R? New Designator=R10
Change Component Designator: Old Designator=R? New Designator=R11
Change Component Designator: Old Designator=R? New Designator=R12
Change Component Designator: Old Designator=R? New Designator=R13
Change Component Designator: Old Designator=R? New Designator=R14
Change Component Designator: Old Designator=R? New Designator=R15
Change Component Designator: Old Designator=R? New Designator=R16
Change Component Designator: Old Designator=R? New Designator=R17
Change Component Designator: Old Designator=R? New Designator=R18
Change Component Designator: Old Designator=R? New Designator=R19
Change Component Designator: Old Designator=R? New Designator=R20
Change Component Designator: Old Designator=R? New Designator=R21
Change Component Designator: Old Designator=R? New Designator=R22
Change Component Designator: Old Designator=R? New Designator=R23
Change Component Designator: Old Designator=R? New Designator=R24
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Change Component Designator: Old Designator=R? New Designator=R46
Change Component Designator: Old Designator=R? New Designator=R47
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5 changes: 5 additions & 0 deletions ..._MCU/AltiumProject/Project Logs for Smart_MCU/PowerSupply SCH ECO 6-4-2023 2-48-41 μμ.LOG
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Change Component Designator: Old Designator=C? New Designator=C1
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2 changes: 2 additions & 0 deletions ..._MCU/AltiumProject/Project Logs for Smart_MCU/PowerSupply SCH ECO 7-4-2023 2-08-39 πμ.LOG
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49 changes: 49 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/Smart_MCU PCB ECO 6-4-2023 1-41-49 πμ.LOG
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Added Component: Designator=C1(C1206)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "29-May-2009"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "IPC-7351 Footprint Added."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Chip Capacitor"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "C1206"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "100nF"; VariantName = "[No Variations]"
Added Component: Designator=C2(RAD-0.3)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Radial Cap, Thru-Hole; 2 Leads; 0.3 in Pin Spacing"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "RAD-0.3"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "10uF"; VariantName = "[No Variations]"
Added Component: Designator=C3(RAD-0.3)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Radial Cap, Thru-Hole; 2 Leads; 0.3 in Pin Spacing"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "RAD-0.3"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "100uF"; VariantName = "[No Variations]"
Added Component: Designator=P1(HDR1X2H)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Voltage"; Value = "9V"; VariantName = "[No Variations]"
Added Component: Designator=U1(4-Pin SOT)
Add component (AddParameter): Name = "ComponentLink1Description"; Value = "datasheet"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "ComponentLink1URL"; Value = "https://www.ti.com/lit/ds/symlink/lm1117.pdf?ts=1680684089578"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Output Voltage"; Value = "3.3V"; VariantName = "[No Variations]"
Added Pin To Net: NetName=+3.3V Pin=C3-2
Added Pin To Net: NetName=+3.3V Pin=U1-2
Added Pin To Net: NetName=+3.3V Pin=U1-2
Added Net: Name=+3.3V
Added Pin To Net: NetName=+9V Pin=C1-2
Added Pin To Net: NetName=+9V Pin=C2-2
Added Pin To Net: NetName=+9V Pin=P1-2
Added Pin To Net: NetName=+9V Pin=U1-0
Added Net: Name=+9V
Added Pin To Net: NetName=GND Pin=C1-1
Added Pin To Net: NetName=GND Pin=C2-1
Added Pin To Net: NetName=GND Pin=C3-1
Added Pin To Net: NetName=GND Pin=P1-1
Added Pin To Net: NetName=GND Pin=U1-1
Added Net: Name=GND
Added Class: Name=main
53 changes: 53 additions & 0 deletions Smart_MCU/AltiumProject/Project Logs for Smart_MCU/Smart_MCU PCB ECO 6-4-2023 1-43-07 πμ.LOG
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Added Component: Designator=C1(C1206)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "29-May-2009"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "IPC-7351 Footprint Added."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Chip Capacitor"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "C1206"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "100nF"; VariantName = "[No Variations]"
Added Component: Designator=C2(RAD-0.3)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Radial Cap, Thru-Hole; 2 Leads; 0.3 in Pin Spacing"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "RAD-0.3"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "10uF"; VariantName = "[No Variations]"
Added Component: Designator=C3(RAD-0.3)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageDescription"; Value = "Radial Cap, Thru-Hole; 2 Leads; 0.3 in Pin Spacing"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "PackageReference"; Value = "RAD-0.3"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Published"; Value = "8-Jun-2000"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Value"; Value = "100uF"; VariantName = "[No Variations]"
Added Component: Designator=P1(HDR1X2H)
Add component (AddParameter): Name = "LatestRevisionDate"; Value = "17-Jul-2002"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "LatestRevisionNote"; Value = "Re-released for DXP Platform."; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Publisher"; Value = "Altium Limited"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Voltage"; Value = "9V"; VariantName = "[No Variations]"
Added Component: Designator=U1(4-Pin SOT)
Add component (AddParameter): Name = "ComponentLink1Description"; Value = "datasheet"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "ComponentLink1URL"; Value = "https://www.ti.com/lit/ds/symlink/lm1117.pdf?ts=1680684089578"; VariantName = "[No Variations]"
Add component (AddParameter): Name = "Output Voltage"; Value = "3.3V"; VariantName = "[No Variations]"
Added Pin To Net: NetName=+3.3V Pin=C3-2
Added Pin To Net: NetName=+3.3V Pin=U1-2
Added Pin To Net: NetName=+3.3V Pin=U1-2
Added Net: Name=+3.3V
Added Pin To Net: NetName=+9V Pin=C1-2
Added Pin To Net: NetName=+9V Pin=C2-2
Added Pin To Net: NetName=+9V Pin=P1-2
Added Pin To Net: NetName=+9V Pin=U1-0
Added Net: Name=+9V
Added Pin To Net: NetName=GND Pin=C1-1
Added Pin To Net: NetName=GND Pin=C2-1
Added Pin To Net: NetName=GND Pin=C3-1
Added Pin To Net: NetName=GND Pin=P1-1
Added Pin To Net: NetName=GND Pin=U1-1
Added Net: Name=GND
Added Member To Class: ClassName=main Member=Component C1 Cap Semi
Added Member To Class: ClassName=main Member=Component C2 Tantalum Cap
Added Member To Class: ClassName=main Member=Component C3 Tantalum Cap
Added Member To Class: ClassName=main Member=Component P1 Battery Connection 9V
Added Member To Class: ClassName=main Member=Component U1 LDO Regulator
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