STM32 MCUs Products

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Forum Posts

Is PB5 really not 5V tolerant?

Posted on September 29, 2011 at 18:35The data sheet I have says it isn't, and yet it's not an ADC input as all the other non 5V tolerant pins seem to be.  Of course I'll believe the datasheet if there's no positive information that it's wrong, but i...

kk6gm by Associate II
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STM32F103 with LIS331DLH (SPI)

Posted on September 29, 2011 at 13:25Hi, is there any samplecode that shows how the LIS331DLH Mems Accelerometer works with SPI Communication? I'm very stuck on that :(   regards Alex #lis331dlh

STM32F103RB TIM1 INPUT CAPTURE QUESTION?

Posted on September 28, 2011 at 18:33hi, dear Frs.   now i want use the TIM1 ch1,ch2 to decode rf decoded . which is rf encode is diphase coded.  i use the PA8 use rf data stream input pin.  rf datarate is 9.6k.   now i step steps is as belows:stati...

0690X00000602j2QAA.jpg 0690X00000602ktQAA.jpg
taurus3g by Associate
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STE100P Register dump

Posted on September 28, 2011 at 18:09I have got the address of the PHY on my board. The address is 7. Now the STM32 is able to communicate with the PHY. But the collision led is still blinking after the initialization. Here is the register dump:0   ...

Artur1 by Associate II
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Disabel JTAG

Posted on September 27, 2011 at 10:58Hi, I am using STM32 discovery board. I would like to use PORTB4 as GPIO, should i disable JTAG? If I disable JTAG, can i reprogrem the boad ? Thanks.

ybitton by Associate II
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  • 1 replies
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Open-Source tools for non-regression test (stm32)

Posted on September 27, 2011 at 12:17Hi Everyone, We would like to create a non-regression environment for our software (targetted at a stm3220G-eval eval board - stm32f2 cpu). The software involves a ethernet stack (lwip). Are there any open-source...

ADC glitches

Posted on September 24, 2011 at 18:39I have 1kohm potentiometer connected on pin PC4. On the sam pin oscilloscope is connected . Everything is correctly grounded and supplyed. On the scope (attached picture) I see 100mV glitches with a frequency of ...

matej23 by Associate II
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Use of memset and memcpy

Posted on September 26, 2011 at 11:27Hello, I am using STM32-P103 to decode NMEA sentences with some codes that they were already written and making small changes in them and I have notice that the use of functions like memset and memcpy makes the s...

sara2 by Associate II
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