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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Timer description in Manual: Errors + wishes

Posted on January 28, 2012 at 23:22In the STM32F4 I found some minor errors in the timer descriptions: - Page 395 - Description SMCR-TS for Timer 2...5: Should refer to Table 62, not 60 (Table 60 is referred at some points in the manual, but it does...

flyer31 by Senior
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OTYPER Reset value in Ref Manual wrong?

Posted on January 27, 2012 at 11:54In Ref. Manual 6.4.11 Table 18, for the registers GPIOx_OTYPER a reset value of 0x4444 is specified, but I think this is an error - should be 0x0000? (as specified in 6.4.2 at the register description?).

flyer31 by Senior
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STM324xG-EVAL demonstration firmware

Posted on January 28, 2012 at 13:08How to find the Source of the firmware? Http demo don�t work. Gets IP form DHCP but could not be reached about network. Picture viewer displays only the first picture. Sound Demo don�t find a file on the USB Stick....

joerg23 by Associate II
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STM32F4 SDIO, Busy state of DPSM

Posted on December 15, 2011 at 05:18After transmitting a block of data, SD Card sends the CRC for the data.After sending CRC, SD Card sometimes puts itself in the ''Busy'' mode.According to the reference manual, STM32's SDIO peripheral's data path s...

hate_pod by Associate
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Thermal Printer

Posted on January 27, 2012 at 10:02I use Stm32f103rb microprocessor on stm32p103 board. I want to control a thermal printer. Is there anyone who give me some example code for this situation ? Thank alot

bekir by Associate
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questions about flash programming

Posted on January 27, 2012 at 12:23Hi, I have some questions about flash programming 1. how many writes to flash can i made beetwen FLASH->CR |= CR_PG_Set;  and FLASH->CR &= CR_PG_Reset; is it possible to write here more data than 2 words ? (only 2...

aalmax by Associate II
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Interfacing Character LCD 2X16 using GPIO

Posted on January 26, 2012 at 19:26Hello ,I'm using STM32 F100 RB microcontroller and 2x16 character LCD.I want to  display strings on it.(HD 44780 driver) using GPIO protocole ( GPIOB )Who can help me about it ?Is there any demo project  in this si...

EXTI pin mapping problem

Posted on January 26, 2012 at 18:17It would seem to me given the way the GPIO pins are mapped to EXTI lines, there is no way to use two pins that have the same GPIO pin number.  For example, in my case I would like to use pins A8 and B8 as separate ...

shannon2 by Associate II
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DMA Double Buffer IRQ

Posted on December 14, 2011 at 20:35I currently have code which runs on the STM32F4-Discovery board and DMA's data from the ADC to a buffer.  I am using double buffering, so I can operate on one buffer while the other is being filled.  In short, my ...

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