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stm32duino:32stm32_main [2018/11/03 17:27]
admin [USB Problem] 		stm32duino:32stm32_main [2020/10/26 17:04]
admin [Schematic]
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-===== STM32duino ===== +===== STM32duino - Blue Pill F103C8 ===== 
-The STM32duino board is based on the [[https://en.wikipedia.org/wiki/ARM_Cortex-M#Cortex-M3|ARM Cortex M3]] like the Arduino Duo. The version I use is the [[http://wiki.stm32duino.com/index.php?title=Blue_Pill|Blus Pill]] I bought on E-Bay.\\+The STM32duino board is based on the [[https://en.wikipedia.org/wiki/ARM_Cortex-M#Cortex-M3|ARM Cortex M3]] core like the Arduino Duo. The version I use is the [[http://wiki.stm32duino.com/index.php?title=Blue_Pill|Blus Pill]].\\ 
 +\\ 
 +On Hackaday is a good article about STM32 clones: [[https://hackaday.com/2020/10/22/stm32-clones-the-good-the-bad-and-the-ugly/|STM32-Clones - the good the bad and the ugly]].\\
  
  
 ---- ----
-==== USB Problem ==== +==== USB Fix ==== 
-Unfortunately the board comes with a wrong pullup resistor on D+. If that makes problems just replace R10 with an 1.5K resistor like shown here: [[http://wiki.stm32duino.com/index.php?title=Blue_Pill#Hardware_installation]]\\ +Unfortunately the board comes with a 10k pullup resistor from D+ to 3.3V (in the schematic it's a 4.7k). That can cause problems on some PCs. Just take the R10 out and replace it with an 1.5k resistor.\\ 
-<html> +One might let the 10k resister untouched and just put a 1.8k in parallel. Between 3.3V and pin A1 (PA12).\\ 
-<img src="http://wiki.stm32duino.com/images/1/1c/BluePillUsbResistor.jpg"> + 
-</html>+And here are some useful infos about the pullup resistors on USB:\\ 
 +[[https://www.beyondlogic.org/usbnutshell/usb2.shtml]]\\ 
 +[[https://amitesh-singh.github.io/stm32/2017/05/27/Overcoming-wrong-pullup-in-blue-pill.html]]\\
  
 ---- ----
 ==== Schematic ==== ==== Schematic ====
-Here one find the [[http://wiki.stm32duino.com/images/c/c1/Vcc-gnd.com-STM32F103C8-schematic.pdf|schematic]] and the [[http://www.vcc-gnd.com/jikeliangpinstm32f103c8t6xuexibanziliao/|manufacturer data]].\\+Here is the {{ :stm32duino:vcc-gnd.com-stm32f103c8-schematic.pdf |schematic}} Attribution: [[http://wiki.stm32duino.com]].\\ 
 +\\ 
 +Pinout:\\ 
 +<html> 
 +<a title="Rasmus Friis Kjeldsen, CC BY-SA 4.0 &lt;https://creativecommons.org/licenses/by-sa/4.0&gt;, via Wikimedia Commons" href="https://commons.wikimedia.org/wiki/File:Stm32f103_pinout_diagram.png"><img width="512" alt="Stm32f103 pinout diagram" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Stm32f103_pinout_diagram.png/512px-Stm32f103_pinout_diagram.png"></a> 
 +</html>\\ 
 +//Attribution: Rasmus Friis Kjeldsen, [[https://creativecommons.org/licenses/by-sa/4.0|CC BY-SA 4.0 ]], via Wikimedia Commons//\\
  
 ---- ----
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    Debug mode: SWD    Debug mode: SWD
    72MHz work frequency    72MHz work frequency
-   64K flash memory, 20K SRAM+   64K flash memory 
 +   20K SRAM
    2.0-3.6V power, I/O    2.0-3.6V power, I/O
    Reset(POR/PDR)    Reset(POR/PDR)
    8MHz crystal    8MHz crystal
 +   LED on pin PC13
 +
 +----
 +
 +==== Software =====
 +Here is an installation guide here:\\
 +[[http://wiki.stm32duino.com/index.php?title=Installation]]\\
 +and here:\\
 +[[https://github.com/rogerclarkmelbourne/Arduino_STM32/wiki/Installation]]\\
 +Uploading a sketch:\\
 +[[http://wiki.stm32duino.com/index.php?title=Uploading_a_sketch]]\\
 +Debugging with GDB by Hackaday:\\
 +[[https://youtu.be/D-MbC9N5U7o]]\\
  
 ---- ----
 ==== Links ==== ==== Links ====
 +[[https://www.stm32duino.com/]]\\
 +[[https://www.arduinolibraries.info/architectures/stm32]]\\
 +
 +----
 +==== License ====
 +
 +Except where otherwise noted, content on this wiki is made by **Wolfgang Spahn** 2018-20.\\
 +It is licensed under a [[http://creativecommons.org/licenses/by-nc-sa/4.0/"|Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License]].
 +
 <html> <html>
-<img src="http://wiki.stm32duino.com/images/a/ae/Bluepillpinout.gif">+<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a> 
 </html> </html>
-[[https://www.arduinolibraries.info/architectures/stm32]]\\ 
  
 ---- ----
 +