About Jason Ro

Jason Ro · 2018-07-16

Posted on July 16, 2018 at 15:54Hello!My name is Jason.I have been testing USB FatFS of STM32F4-Discovery board since last week.And I tested reference source code of STMicro.(STM32Cube_FW_F4_V1.21.0\Projects\STM32F4-Discovery\Applications\FatFs\FatF...

Jason Ro · 2018-07-11

Posted on July 11, 2018 at 09:53Dear Ashwinraj,Please refer to following URL and picture.https://github.com/jason0627/STM32F4-Discovery_SDIO_4bit_OK Best regards,Jason

Jason Ro · 2018-06-26

Posted on June 27, 2018 at 02:49Dear Ogulcan,As I mentioned yesterday, I uploaded my source code about SDIO 4-bit mode.Please refer to following github url.https://community.st.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2Fjason0627%2FSTM32F...

Jason Ro · 2018-06-26

Posted on June 26, 2018 at 14:53 Thank you for the comment. I really agree to your opinion. 100ohm is too high value for damping. 27 or 33ohm is more suitable for signal integrity. But there was no 27ohm or 33ohm in my office today... This ...

Jason Ro · 2018-06-26

Posted on June 26, 2018 at 14:48Thank you for the advice.Yes. You are right.Of course custom PCB is strongly recommended for high speed signals.But I am just studying STM32 evaluation board. And I am not a rich man. Many of STM32 learners may have t...

Jason Ro · 2018-06-26

203599CGIL5

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Retry issue of STM32F4-Discovery + USB host MSC + FatFS

Re: STM32CubeMX v4.26 SD Card Problem Continues [STM32F4 Discovery]

Re: STM32CubeMX v4.26 SD Card Problem Continues [STM32F4 Discovery]

Re: STM32CubeMX v4.26 SD Card Problem Continues [STM32F4 Discovery]

Re: STM32CubeMX v4.26 SD Card Problem Continues [STM32F4 Discovery]

Re: STM32CubeMX v4.26 SD Card Problem Continues [STM32F4 Discovery]