STM32 MCUs products

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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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What is correct sequence of reading two adc pins

Posted on August 29, 2013 at 07:47What is correct sequence of reading two adc pins in software control mode of module ADC1I have to scan 14 & 9 channel but under software control mode .while(1) {   SQR3 = 0x0E;   /* select 14 channel to scan  */   C...

STM32L151 HSE problem

Posted on August 29, 2013 at 12:29Do you anybody use STM32L151C8(B) with HSE 4 - 8MHz. i have big problem with starup of this. I use before STM32F100 and there was no problem... Thank you for sugestion

lukas by Associate
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Writing on USB-Memory

Posted on April 12, 2013 at 07:58Hello, i have a little problem. I have adaptet the stm_Host_MSC example on my board. I use the USB_HS_Core with the internal FS-phy. I can communicate and wirte on my usb-stick. my question mow is: What i have to do,...

STM32L152 LSERDY

Posted on August 28, 2013 at 08:58Hi, I have a batch of STM32's which use the LSE.  On all of the device LSE starts normally(i.e. you can see it oscilate with a scope).  However, on a few of the devices LSERDY never aserts to indicate that the clock...

allison by Associate
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STM32 Timers + Interruptions - Error

Posted on August 28, 2013 at 12:46 Hi, I set an interruption handler for a timer. Each time it calls the handler I change the state of a IO. But I'm getting problems for frequency above 80kHz. If I set the period to: TIM_TimeBas...

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ee06091 by Associate III
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Need information about ADC's external impedance

Posted on August 28, 2013 at 11:17Hi everyones,In the datasheet for STM32F407xx, in the electrical characteristics part (12-bit ADC characteristics), they deal with the Rain value. they define it like that : used to determine the maximum external im...

USBH_BulkReceiveData problem

Posted on August 28, 2013 at 10:30Hello all,I am using an stm32f105rc as an usb host to manage a cp2102 with freertos and st host stack.I found a problem with USBH_BulkReceiveData: sometimes it issues two bulk requests so I miss a byte.The connectio...

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mzennaro by Associate II
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