STM32 MCUs Products

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STM32F4Discovery + STM32F4DIS-BB Ethernet project over 32KB

Posted on March 12, 2016 at 01:11So I got myself a STM32F4 discovery board and the STM32F4 Expansion board to play with Ethernet, spend a descent £40-£50 on ST's products just to be told that the example projects exceed the allowed 32KB code size by...

dman by Associate II
  • 742 Views
  • 4 replies
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CRC calculation problem

Posted on December 16, 2015 at 15:40Hi. I'm trying to calculate CRC on STM32F303 using CRC peripheral. I check the correctness of calculation with this on-line application: https://ghsi.de/CRC/ But I have problems, when I want to calculate CRC abov...

matic by Associate III
  • 2775 Views
  • 16 replies
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Stm32f407 VG and VE variants

Posted on March 10, 2016 at 09:28Greetings,This will probably be an amateur question for most of you but I need to make sure.I have a project in which I use an stm32F407VGT6  mcu and I need to make another board.I don't have access to those mcus any...

azayetey by Associate II
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  • 1 replies
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I2C hangs after Pin reset.

Posted on March 14, 2016 at 16:47 Hi guys, I have maybe not a problem, but small issue with ST32F466RE nucleo board. I do some one way communication with a slave device (only writes). Everything works fine until pin reset. Power ...

pj by Associate II
  • 381 Views
  • 0 replies
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CS43L22 on STM32F4 disco-board

Posted on March 14, 2016 at 16:08Hi, It's about CS43L22 (Low Power, Stereo DAC w/Headphone & Speaker Amps) available on STM32F4 disco-board.So according to this schematic:

0690X00000605PzQAI.png

PWM output when CCR=0

Posted on March 14, 2016 at 16:07Hi. Ref. manual says that PWM output is '0' when CCR register is 0. I noticed a difference when I look output signal on a scope while CCR was set to 0. I have ARR set to 16383, timer frequency is 72 MHz. Thus, the pe...

matic by Associate III
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  • 0 replies
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using two probes

Posted on March 14, 2016 at 14:57Hello,I am working with ST-LINK/V2 and would like to use 2 probes simulteanously.The 2 probes are recognized with ST-LINK but I can't connect them simultaneously.I have tried to lauch 2 ST-LINk or to connect them wit...