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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F103 UART strange behaviour

Posted on August 10, 2015 at 09:25Hello,I am using UART1 for message reception interrupt driven. When the messages wereonly ASCII characters everything worked just fine. But when I changed to binary modeI can see, that some of non ASCII data are com...

STM32L152 no JTAG after wrong page erase

Posted on August 08, 2015 at 10:46Hello, after an (possibly) invalid page erase attemp I can't reach the micro controller via JTAG. Here is the scenario: I have a bootloader (location 0x8000000 to 0x8003FFF). And a firmware (location 0x8004000 and a...

How can i reduce the baudrate with software

Posted on July 29, 2015 at 08:19Hi again :) i am using bluetooth module in my project. My bluetooth module support 1200 bps to 921.6Kbps.However i need first set up 300 bps.Then i need use 600-1200-2400-4800-9600 or 19200 bps .How can i?

STM32F4X CPU halts after CAN Bus connector unplug

Posted on August 09, 2015 at 14:42Hi, I am using CAN bus on STM32F407 using standard peripheral library.When I unplug CAN bus connector, the CPU halts. After reconnecting CAN bus connector, the CPU is still freezing and needs hardware restart. I wan...

h2399 by Associate II
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STM32F3Discovery ADC_DMA project

Posted on September 19, 2014 at 14:56Good afternoon,I made a project and i set ADC1 in independent mode and DMA1 to read the information from the adc and then write it to the memory. In the Datasheet and in the Reference manual is writen that the AD...

UART is working only when jlink (IAR pod) is connected

Posted on August 09, 2015 at 16:02Hi All, I'm working on custom board that inlcude stm32l152. I've notice that i can't receive external intterupt on UART3 while JTAG pod is disconnected , why so ? Please advice, Thanks in advance. #uart #jtag-clk

moran by Associate II
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My LCD doesn't work (How does FSMC work?)

Posted on August 09, 2015 at 16:17 Hi everybody I'm trying to operate my LCD via FSMC but it doesn't work. this is the pinout of the LCD: http://img4.uplood.fr/free/sh8w_20150809_1755jpg These pins are NC(not connected) in...

STM32 LwIP ?

Posted on July 11, 2015 at 13:22Guys, Where can I find the file that defining IP address on LwIP application ? I generated from STM32CubeMx... Thanks

DMA to TIM3 CCR1 problem!

Posted on August 08, 2015 at 05:21 Hi! Device is STM32F103C8 A update event from TIM4 is used to trigger DMA channel7 who then is supposed to transfer 9 values in circular mode to TIM3 CCR1. However the DMA transfers only one value and th...