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Forum Posts

STM32F4: 64 kB SRAM inaccessible to all peripherals?

Posted on November 03, 2011 at 03:37We've been looking at the new STM32F4x because we could really use some additional internal memory, and the F4x family advertises up to 192 kB. Sounds great. So today I attended our local STM32F4x roadshow present...

Mac os x driver for stm32 series

Posted on November 04, 2011 at 16:07I am sorry I am new here and did not found the related info in this forum.So I wonder if ST plans to release mac os x drivers for STM32.If a thread is currently treating this subject I would be grateful if someone...

Accelerometer

Posted on November 07, 2011 at 11:41Hello, We are working with the STM32F4-Discovery and are testing the accelerometer. The demo program works fine and we see the LED values blink when we tilt the board (in an angular fashion). In that case, 2 LEDs ...

girish by Associate II
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VDD_FT

Posted on November 07, 2011 at 14:16I'm interested to know about the input protection doides on five volt tolerent IO. In various places the documentation shows the clasic diode from the IO to ''VDD_FT'' and states ''VDD_FT is a potential specific t...

trevor23 by Associate III
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Toggle mode confusion

Posted on November 06, 2011 at 13:25my IDE software shows following clock summary for my code: HSECLK :8 Mhz SYSCLK :72 Mhz HCLK   :72 Mhz PCLK1  :18 Mhz PCLK2   :72 Mhz I have following codes (only necessary lines are mentioned): __IO uint16_t CCR1...

STM32L152 and short delay [Solved]

Posted on November 01, 2011 at 12:36Dear forum users, I use the STM32L152 with a RTOS.I need to wake up a task after a short delay (shorter than the time slot). I think I will utilize a timer interrupt to release the mutex token in the delay routine...

thoma by Associate II
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  • 4 replies
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TIM3 Problem

Posted on November 04, 2011 at 05:50 I’m having a lot of problems with timer 3. What I’m trying to simply do now is remap TIM3 to the leds and have the blue led stay one for 1sec and the green to stay on for 1.5sec. Now when I tried to do this th...

ctechguy by Associate II
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  • 6 replies
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Base or prototype board for STM32VL-Discovery

Posted on July 10, 2011 at 17:12Hi dude,       I am a  user of STM32VL-Discovery board and looking for a base board to evaluate the features of STM32VL-Discovery as like lpcxpresso from NXP.  lpcxpresso target board : http://www.embeddedartists.com/...

kyawlwin by Associate II
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stuck in sleep mode

Posted on November 02, 2011 at 17:36I'm using the STM32F4 Discovery kit and slightly modified the PWR_CurrentConsumption example for power measurement testing.  When I go to program the board with a new load of code, it will not program because the ...