About Carter Lee

Carter Lee · 2023-04-06

I figured out that R1 response format is different in the STM32 specification as the below But in the Physical Layer Simplified Specification, there is a definition of R1 Format.Actually I expect that R1's response format is supposed to be the same ...

Carter Lee · 2023-04-05

In the RM0090 Rev 19 document of the STM32, there is a card identification process explanation, The card identification process differs for MultiMediaCards and SD cards.It seems that the card identification process is different for MMC and SD, but si...

Carter Lee · 2023-03-30

I'm trying to understand the register behavior of rw_wt.In the RM0090, Ethernet DMA transmit poll demand register (ETH_DMATPDR) has a register. this register declared as "rw_wt". But I don't know how rw_wt work.Could you please clarify the register b...

Carter Lee · 2018-02-23

Posted on February 23, 2018 at 14:29Hi.I'm trying to get the MSP and PC values in the example of STM32F4 firmware.How can I do to get the Main stack pointer and Program counter value?I came across the below snippet code from http://infocenter.arm.co...

Carter Lee · 2018-01-19

Posted on January 19, 2018 at 09:30Dear allI'm trying to make a Low Pass Filter from ADC signal within STM32F429.I came across some relative document as the belowhttp://www.st.com/content/ccc/resource/technical/document/application_note/group0/c1/ee...

Carter Lee · 2018-02-23

Posted on February 23, 2018 at 15:36In my case, I can't step into f(). Break point disabled in that moment. Have you tried this? Not sure, I don't know the reason if why that break point is disabled when I debug mode.

Carter Lee · 2018-01-02

Posted on January 03, 2018 at 01:46I have one more question,I'm not sure whether do they work as the same or not, if I set the ROM1 : 0x01000000 or IROM1 :0x01000000 ?

Carter Lee · 2018-01-02

Posted on January 02, 2018 at 14:58Thanks Could you let me know what is the No Init check box?

Carter Lee · 2018-01-02

Posted on January 02, 2018 at 09:50It's been a while you wrote the posting, But I'd like to implement what exactly your recommend to do, Would you help me how you do that with example?

Carter Lee · 2017-12-29

Posted on December 29, 2017 at 16:23Thanks Chen.

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Do SD mode and SPI mode have different response formats for R1?

How do I check the MMC or SD cards before the card identification process in STM32?

What is the register behavior of "rw_wt"?

How to get initial MSP and PC values?

How to do FIR with STM32F429?

Re: How to get initial MSP and PC values?

Re: What is the difference off-chip and on-chip?

Re: What is the difference off-chip and on-chip?

Re: Remap program in flash

Re: Where can we find reference example of ''Boot from Embedded SRAM mode'' with STM32F103 ?