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  1. STM32F4: Generating parallel signals with the FSMC

    The goal: The memory controller can be used to generate a "generic" 16-bit parallel data stream with clock. Address generation will be disregarded, as well as other control signals dedicated to memory chips.

    It must be noted that the STM32F40x and STM32F41x have the FSMC (static memories), while the STM32F42x ...

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  2. STM32F4 and OpenOCD with flash erase error -304

    Quick post about OpenOCD and flash erase error -304.

    Getting the following error:

    Open On-Chip Debugger 0.8.0 (2014-05-10-23:20)
    Licensed under GNU GPL v2
    For bug reports, read
            http://openocd.sourceforge.net/doc/doxygen/bugs.html
    Info : This adapter doesn't support configurable speed
    Info : STLINK v2 JTAG ...
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  3. STM32F4 JTAG: first tests

    The FLRe p1 microcontroller board is finished and ready for tests. First test? Trying to get the CPU chip id over JTAG.

    The target board uses a custom 0.5" JTAG header. Some home-made adapter are needed.

    Open On-Chip Debugger 0.8.0 (2014-05-10-23:20)
    Licensed under GNU GPL v2 ...
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  4. STM32F4 bare-metal start-up and real bit banging speed

    Last year, I made a post about the bit-banging capacities of the STM32F1 (ARM Cortex-M3) microcontroller. Here are some comparisons with the STM32F4 (Cortex-M4).

    STM32F4 bare metal start-up (no compiler libraries added)

    The STM32F4 runs at 168MHz CPU clock.

    Because my oscilloscope only goes up to 50MHz, I made a ...

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  5. OpenSTM32 and STM32CubeMX under Ubuntu 14.10

    This post is about using OpenSTM32 plugins for Eclipse and STM32CubeMX with Ubuntu 14.10.

    OpenSTM32

    OpenSTM32 [1] is a project aiming at making embedded development for STM32 microcontroller easier with Eclipse. "System Workbench for STM32 - Bare Metal Edition" features are described at [2]. There is an all-in-one installer for ...

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  6. First steps with the STM32F4

    Those chip close-ups are always so cute...

    How to start with the STM32F4?

    Of course, the first document to find for any chip is the datasheet [1], and the reference manual [2]. To write the start-up code, the manual of the CPU core [3] will be necessary as well. Then ...

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  7. Spartan6 LX9 to STM32 F4 loop

    The experimental solution with STM32F4 and XC6LX9 discrete development boards.

    This problem is that many pins are hard-wired to some specific features. For example, the SelectMap port cannot be used on my current FPGA board. The goal would be to have 32-bit input and output between the FPGA and the ...

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