About ryansturmer2

ryansturmer2 · 2013-01-26

Posted on January 26, 2013 at 22:36Is there a place that one can get the pinout tables for the STM32 family devices in a format other than PDF? The tables in the PDF datasheets and reference manuals are not easily copied to other software, and it s...

ryansturmer2 · 2010-08-01

Posted on August 01, 2010 at 17:44STM32F103 USB VCP Demo Code Problems #stm32

ryansturmer2 · 2011-05-17

Posted on May 17, 2011 at 14:00Thank you paul, that clears up that mystery for me. It turns out there was a faulty solder connection on my evaluation kit! Always the last thing you suspect I guess. A little time on the scope revealed that DP wasn'...

ryansturmer2 · 2011-05-17

Posted on May 17, 2011 at 14:00The pin is tied to a PMOS that connects DP to VDD through a 1.5k resistor. Pulling it DOWN should turn it ON, which should enact the pullup. I've tried this configuration with both the push-pull and open-drain modes ...

ryansturmer2 · 2011-05-17

Posted on May 17, 2011 at 14:00I'm already compiling with optimization off, so that's not likely the issue. The circuit I have is slightly different than the ST version with regards to the pull-up. I'm fairly new to USB... Is DP supposed to be pull...

ryansturmer2 · 2011-05-17

Posted on May 17, 2011 at 14:00I'm unfortunately not able to share the schematics of the demo board. The USB part of the circuit is identical to the EVAL-B, with a jumperable USB_DISCONNECT pin. I have it set to PORTC bit 13, and have made that kn...

User statistics

User Activity

STM32 Pinout tables in text or spreadsheet format

STM32F103 USB VCP Demo Code Problems

Re: STM32F103 USB VCP Demo Code Problems

Re: STM32F103 USB VCP Demo Code Problems

Re: STM32F103 USB VCP Demo Code Problems

Re: STM32F103 USB VCP Demo Code Problems