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ST-LINK Utility external NOR-FLASH programming

Posted on August 11, 2016 at 12:18Hello. I have ARM MCU board STM32F407 (Schematic: http://www.keil.com/mcbstm32f200/mcbstm32f200-schematics.pdf ) It is connected to NOR FLASH ( http://www.jameco.com/Jameco/Products/ProdDS/1472780.pdf ) who want to ...

stm32f405 failed erase/programming from sector 4-6

Posted on August 17, 2016 at 14:53Hi, I have a stm32f405 on board connected to stlink v2.  I am using both stm32 stlink utility 3.9 as well as stvp 3.3.8. When I erase/program sectors 0-3, all is fine.  Sometime, I receive failure message on erasing...

benedict by • Associate II
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STM32F373 Bootloader for USART1

Posted on August 17, 2016 at 12:59Hi,It is possible to start the bootloader directly for USART1 from application ?The problem is that the bootloader reconfigure pins that I need during the bootloader run.AN2606 shows in Figure 12 a procedure BL_USAR...

roy2399 by • Associate
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External interrupts question

Posted on August 07, 2016 at 18:23Hi.Currently I use PA15 pin as external interrupt. The ISR routine is common for lines 10 through 15 and it is called EXTI15_10_IRQHandler. Now, I would like to have another signal connected to pin PB12, which has s...

matic by • Associate III
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STM32F042 Vrefint reading

Posted on June 21, 2016 at 13:55Hi everyone,I am working on a project and need to measure analog voltage on some channels. To do so I use CubeMx version 4.15.1, but the readings on channels are significantly different than the applied voltage (about...

RTC ALARM is not triggered! - STM32L152

Posted on August 15, 2016 at 07:22Hi,I am running a STM32L152 into stop mode. The MCU sleeps most of the time (waking up every 1hr to read sensors). As I have the watchdog running, I am using RTC to generate an alarm every 10s (watchdog period is ~2...

Saturation AHB bus

Posted on August 13, 2016 at 00:06Hi,I have a big problem where I seem to overload the AHB bus. The main components that are involved are SDRAM and LTDC. I am using one layer (at the same time) in svga resolution and the frame buffer is in SDRAM.Jus...

Synchronize internal DAC transfer to I2S DMA transfer

Posted on August 16, 2016 at 20:12Hi! I have a CS4344 DAC connected via I2S to my STM32F407, converting values at a rate of 44.1kHz. In parallel, I would like to convert values through the internal DAC, at the same rate, in a synchronized way (every...

florent2 by • Associate II
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