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micro SDHC over SPI- help

Posted on April 28, 2015 at 20:35Hi I am using STM32F103 nucleo + https://www.adafruit.com/products/254. I am using micro SDHC of 16 GB. After a long day, I understood that the published example on STM32F1, wont work for SDHC of 16GB, and that the e...

udibit by Associate II
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FSMC Speed

Posted on April 28, 2015 at 20:21Hello.I am Using STM32F407 and using FSMC to connect with DSP(HPI Port).I want to know what is the maximum data transfer rate in this situation and how this speed determined?thank you for your answers. #fsmc

stm32f103 encoder mode with as5040

Posted on April 26, 2015 at 22:50 Hi, I have problem with encoder mode. AS5040 is in quadrature output. I use this code and it doesnt work, where is the problem? void gpio_conf(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2Peri...

ov7670 clock supply

Posted on April 23, 2015 at 12:07HelloIs it sufficient to supply ov7670 camera module xclk pin with MCO1/2 pins of stm32f4? 

STM32F030 input protection diodes

Posted on April 28, 2015 at 13:29Hello!I've been reading through the reference manual of the F030 and noticed the structure of the GPIOs ... I've noticed they don't have any input protection diodes. The F100 and others have two clamping diodes on 3....

tomaz by Associate
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STM32F217 SPI3 always reads zeros

Posted on April 28, 2015 at 11:25SPI3 is configured as master readonly. When the SPI is enabled then the clock can be monitored by an oscilloscope. The Interrupt-handler stops SPI3 after having received 3 bytes. However the data are always Zero rega...

eckhard by Associate
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[STM32L151C6] change RDP level 1 to level 0

Posted on April 28, 2015 at 11:30Hi All:  I'm a newbie for the MCU programming.  So far, I use SWD protocol to program STM32L151C6 chip with RDP level 1.  I want to remove RDP level 1, program, and change level 0 to level 1.  However, I follow the ...

jumbler by Associate
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Using the library with a bootloader

Posted on April 28, 2015 at 11:20       Hi all,   I am trying to use the library in a dual drive project for STM32F205.   The code is relocated starting at address 0x08008000 since the first two flash blocks are used by my bootloader.   The bootload...

i2399 by Associate II
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Can the MCU be accidentally damaged by overclocking?

Posted on April 27, 2015 at 16:48Specifically, the STM32F303. It is tricky to set up the clocks and sources, dividers and PLL multipliers etc. If I get it wrong can I damage the chip by overclocking it? #clock #stm32f3

gbigden by Associate III
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