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STM32L0 RCC_CFGR read-only?

Posted on September 30, 2014 at 12:11Hi, I'm using an STM32L051 microcontroller for a low power application. Actually I am working on a state change between low power and normal operating mode. Therefore I am trying to switch the system clock to PLL...

Connection issue

Posted on July 24, 2013 at 09:47Hi,Until yesterday I haven't got any problems to launch my code into flash memory with CooCoxIDE. STLink utility and STMStudio have worked well also.But this morning, I can't do all thius things :C:\CooCox\CoIDE>''C:/...

STM32 USART Interrupt Error

Posted on September 26, 2014 at 00:43 Hi, I am having issue with the USART interrupt handler in my project. It seems to get stuck in the interrupt handler routine. The status register value is set to 0x1d8 but I don't seem to be able to ...

paul23 by • Associate II
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USART: ORE=1, but RXNE=0?

Posted on September 13, 2011 at 09:10Sometimes my code gets lost in usart1 interrupt flood.Registers:CR1: 0x202c (UE, RXNEIE, TE, RE)CR2 = 0, CR3 = 0SR: 0x1d8 (LBD, TXE, TC, IDLE, ORE)I'm not quite getting it how ORE can be set and RXNE not. The onl...

domen23 by • Associate II
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porting mbed mfrc522 library to keil

Posted on September 30, 2014 at 09:37 hi every body i want to use mfrc522 mbed library in keil compiler & dont want to export codes directrly but i have some problem with these codes: MFRC5h class MFRC522 { public: ......... ......... ...

mhdizgah by • Associate II
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Bug in USART_GetITStatus() re/ USART_IT_ORE?

Posted on June 18, 2014 at 20:24Could someone please confirm the following issue ?, p.706/914 states that: ''ORE: Overrun error (...) An interrupt is generated if RXNEIE=1 or EIE = 1 in the USARTx_CR1 register.'' The hardware indeed appears to work ...

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