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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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assert_param error

Posted on March 24, 2014 at 15:15Hi,I just started working with stm32f10x standard peripheral library v 3.5.0. I trying to assembling project for USART, but compiller reported me .\stm32f10x_usart.axf: Error: L6218E: Undefined symbol assert_param (r...

hospodar by Associate III
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Current pin STM32F100RBT6B board

Posted on March 24, 2014 at 12:40Hello, I have a STM32F100RBT6B board; I don't manage to find the minimum and maximum current that an i/o pin can offer to an external device. Can you help me? Thanks Matteo

Strange bug with STM32F407's MAC

Posted on March 21, 2014 at 12:22I'm developing a system using STM32F407ZGT with a PHY DP83848 using RMII interface. A 50MHz oscillator was used for the RMII_REF_CLK. I ran the FreeRTOS+LWIP demo application from ST's websize and encountered a stran...

Timer interrupts are not running on time.

Posted on March 24, 2014 at 01:09Hello, I'm programing a VGA signal with the STM32 discovery board. I'm using a timer to generate sync pulses and everything seems to work fine since the image shows static in the monitor. But there are some glitches,...

config for 32khz HSE in stdperipheral drivers

Posted on March 23, 2014 at 11:38In  the system_stm32l1xx.c file of stdperipheral drivers it is given that SetSysClockToHSE(void) function is defined for 8Mhz by default and if we want to change config to 32khz external clock where can we change it ...

stm32f4 interrupt

Posted on March 20, 2014 at 16:29Hi, I'm still start in STM32F4 I am looking for how to use the ADC interrupt that will allow me to read sensor values ​​and the interruption with TIM that will allow me to read the values ​​back by an encoder

haythem by Associate II
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Accessing MSR when switched to PSR

Posted on March 17, 2014 at 12:28AREA StackSwitch, CODE, READONLYIMPORT PrintHexEXPORT StartEXPORT Reset_Handlerstack_base DCD 0x28000THUMBPRESERVE8ENTRYReset_HandlerStartMOV r0, &sharp0xf00dPUSH {r0}MOV r0, &sharp0BL Mode_SwitchPOP {r0}BL PrintHex ...

lo0446 by Associate II
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