Resolved! What are the applications of open drain GPIO configuration.
Hai All, We can configure a GPIO pin either as a Push-Pull or Open-drain configuration. Can anybody explain briefly, what are the applications of Open Drain configuration?
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Resolved! stm32 microcontroller selection.
Hi all Thanks in advance.Can some one help me to select an stm32 chip which have 4 PWM channels , 4 analog out and in 3X3 qfn package? I attached a sample product. Kindly help me to select some more similar products.
Resolved! Dual CAN STM32F105
To implement a "bridge" devise between two independent CAN buses, the STM32F105R8 chip was chosen. From the specifications it follows that it has 2 CAN buses, but going deeper into it I realized that they share a lot of resources among themselves.cou...
Resolved! Integer overflow modes on Cortex
Hello,I am dealing with fixed-point arithmetic calculations on STM32G0.To avoid integer overflow risks I have scaled properly all the values involved in calculations, but a mistake can be always possible...On Texas Instruments DSPs, I have the possib...
Resolved! add offset for application start address
Hi,I've ran into an issue which is about start address of an application. I'm using an own bootloader to switch between two different applications. For the application I changed the start address in FLASH.id file to 0x08040000. That works perfectly f...
Powering cycling STM32F4 board corrupts flash programming
Posted on August 14, 2012 at 19:43Hi All, Has anyone had problems with corrupting their flash programming when power cycling their STM32F4xx board? (or any other STM32 board for that matter) I'm able to use the boot-loader to successfully flash co...
STM32L496 I2C Reading Error
Hello: This is weird problem. We have a STM32L496 system that handles multiple I2C devices through its three I2C buses. The I2C#1 (1MHz) has 10 NXP devices, #2 (400kHz) has 4 TI TMP117 chips, and #3 (400kHz) miscellaneous devices including other TI ...
Password for USB Device
I am using STM32F4 MCU in USB device MSC mode with data stored on SD card. I have also standard 16X2 LCD & Membrane keypad connected to MCU I want to make interface where once USB device is connected to laptop, the data is showed on laptop after ente...
Resolved! stm32f429 GPIO input impedance
Will there be any input impedence for the gpio's of stm32f429 If yes what is the value.
Floating point calculation in STM32L431CBT6
Dear all,I am having some issues with precision of floating point calculations with STM32L431CBT6.As one can see that when I do floating point calculation I am getting 1.23000002 instead of 1.23.Can anyone suggest more efficient and accurate way to d...
