About Uwe Bonnes

Uwe Bonnes · 2024-09-06

Datasheet tells that STM32F398xE has 16 kB CCM RAM, but STM32F398VETx.xml DBVersion="V3.0" does not list the CCM Ram. Please correct!

Uwe Bonnes · 2024-05-08

Beside my Nucleo-H7S3L8 board, I have other boards where the MCU can do JTAG and have JTAG pin accessible, but neither STM32CubeProgrammer not OpenOCD and other programmers can detect/attach via JTAG. SWD works works fine on these boardsHere the out...

Uwe Bonnes · 2024-05-06

The BSDL files for STM32H7RS do not contain files for STM32H7RS.Is the JTAG command length the same for STM32H7RS as for other STM32?

Uwe Bonnes · 2024-05-01

Searching for "USBX" in the forum brings up over 330 post. USBX is deprecated since 2014, but a requirement for it still lingers in st-stlink-server-2.1.1-1-linux-amd64.rpm # unzip en.st-stm32cubeide_1.15.1_21094_20240412_1041_amd64.rpm_bundle.sh.zi...

Uwe Bonnes · 2024-05-01

What is the time zone of the forum. My last complaint is tagged "2024-05-01 5:21:40 AM" while here it is about 12:23:34 UTC 2024. Please tag the posting explicit with the tinmezone!

Uwe Bonnes · 2024-09-06

You can dump that data rate via USART or better USB to a PC and store there. If no external dump path is available while aquiring, you need to reduce data or use a device with external RAM, like the F4 discos.

Uwe Bonnes · 2024-09-03

Last time i looked, TTN has a limit of 1000 message/day or 30 seconds of airtime/day. whatever is less. Your requirment for sure breaks this limit.

Uwe Bonnes · 2024-08-25

Every Cortex-M with some debug access has ROM Table(s). This is what blackmagic decodes for F103:STM32F103RB:============0000480:INFO:dap:DP IDR = 0x1ba01477 (v1 rev1)0000484:INFO:ap:AP#0 IDR = 0x14770011 (AHB-AP var1 rev1)0000489:INFO:rom_table:AP#...

Uwe Bonnes · 2024-08-25

If you want to learn more, recent STM32 CPUs have a decription of ROM tables in the reference manual. e.g. 65.4 for STM32U5. The Arm documents will also help in understanding.If a debugger tries to autodetect the connected CPU and not require the use...

Uwe Bonnes · 2024-08-23

Ultra low leakage diode is best done by some JFET, e.g. BF862 or its replacements

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E.G. STM32CubeMX/db/mcu/STM32F398VETx.xml missed the CCM size definition

Some STM32 do not like JTAG debugging

No BSDL Files for STM32H7RS

Howto: Work around unresolvable USBX requirements when installing STM32CubeIDE

What is the timezone of this forum?

Re: 3 ADCs and 5Khz sampling frequency, 15 thousand readings per second, for 2 minutes. How to solve it?

Re: High frequency uplink with STM32WLE5JC

Re: Debug Blue Pill with Stlink-V3minie

Re: Debug Blue Pill with Stlink-V3minie

Re: Ultra Low leakage voltage clamp