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Operate SDMMC1 at higher clock in LP Run mode

Posted on May 16, 2016 at 08:53Hi,I am using STM32L4x6 MCU. I am trying to reduce the overall power consumption. For that I am running MCU @ 2MHz in LP Run mode. Currently the SDMMC1 transfer clock is set to 800KHz. But I want to increase while keep...

dhaval by Associate II
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run program at address other than 0x8000000

Posted on May 13, 2016 at 09:10I have STM32L4, and I want build a program run at address like 0x08080000. My env is uVision5, and I set the 1ROM1 address to 0x08080000 in uVision. I use fromelf command to generate the bin file from axf file and load...

jiangpen by Associate II
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Flash program error when using fast mode

Posted on April 22, 2016 at 19:09Hi,    I am trying to use the fast program method to write a row (256 bytes) to the flash. But when HAL_Flash_Program() function is called, the PGAERR flag is raised. The input buffer as well as the write address are...

hassan23 by Associate
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Bit-banding AHB2 in STM32L4. Is it possible?

Posted on April 19, 2016 at 11:33Bit-banding is a fine approach for manipulating bits, especially GPIO. In STM32L476 GPIO are located in AHB2 address space. However, AHB2 address space is located far beyond bit-band  region: 0x40000000   APB1, APB2,...

serafim by Associate II
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LPM_ExitStopMode() Does not Execute after return from STOP

Posted on April 12, 2016 at 08:56We're using the STM32CubeExpansion_BLE1_V2.5.2 on a STM32L4-Nucleo + BlueNRG-Expansion. It comes with low power manager drivers. The STM32L4 switches between RUN and STOP mode every ~ 1 sec. It uses RTC wakeup timer ...

jp1 by Associate III
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Writing to Flash - Fault: Mem Manage Handler

Posted on March 31, 2016 at 10:17Hey there.I am using a STM32L476RG. I'm implementing a module for handling erasing and writing of the internal FLASH memory.In a test, I did the sequences as described in the reference manual for: Flash unlockMass ...

Help needed regarding STM32L476RG nucleo ADC

Posted on March 19, 2016 at 13:21I am working with AVRs for almost last 3 years and decided to buy a stm32 nucleo boards to have some fun with ARM and bought STM32L476RG nucleo board.I started to write code in Keil MDK-5 with the help of Hal drivers...

STM32L4 DSP Instructions

Posted on March 08, 2016 at 12:23Hi,I am new to Cortex M4 based STM32L4 series MCU. I got to know that Cortex M4 supports FPU and DSP instructions. I want to use both of them in my project.Currently I am working with STM32L4 Discovery Kit and Keil u...

dhaval by Associate II
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