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SDIO command CRC error on ACMD41

Posted on November 07, 2011 at 22:59When single stepping through the initialization commands for the SDIO card socket (STM3210E) I notice that ACMD41 always returns a command CRC error flag.  The ST example code specifically ignores the CCRC FAIL fl...

when is SPI clock sent?

Posted on November 17, 2011 at 12:20Unfortunately I do not own an oscillope nor a logic analyzer to see this.I'm having some problem using the SPI controller to communicate with a sensor.I've managed to get some data, but not in a consistent way.In ...

FSMC problem with low address

Posted on November 17, 2011 at 15:38When try to access to SRAM through FSMC (SRAM example from IAR 6.1) I don't see any address on  ADDRESS 7:0. Only high frequancy (> 10 MHz) peaks and splashes. With ADDRESSes 20:8 all OK. With DATA BUS all OK.  Re...

milds by • Associate II
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STM32F4 Discovery AWD IRQ

Posted on November 15, 2011 at 14:41I have been able to successfully setup the ADC3 to set the SR, AWD flag when an input exceeds my threshold set.  What I am now looking to do is put the processor in sleep mode (via __WFI();) and then have it wake ...

How to unbrick?

Posted on November 15, 2011 at 00:41I previously posted[DEAD LINK /public/STe2ecommunities/mcu/Lists/STM32VLDiscovery/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/STM32VLDiscovery/5V pin no longer supplies 5V; other problems too&FolderCTI...

STM32F103ZE ARM FLY

Posted on November 17, 2011 at 12:06Excuse. What means PC 1 ADC123_IN10 in the table of gpio of stm32f103ze (arm fly).Means that the pin PC1 is the Pin of the ADC channel 10?

ADC_SoftwareStartConvCmd will enable external trigger?

Posted on November 17, 2011 at 10:13Hi all,I'm using StdPeriph lib and saw there is such code in stm32f10x_adc.c:#define CR2_EXTTRIG_SWSTART_Set     ((uint32_t)0x00500000)and /*** @brief Enables or disables the selected ADC software start conversion...

chaos by • Associate
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Systick doesn't fires up as expected

Posted on November 15, 2011 at 14:39I programmed the systick timer in order to get 1ms delay but I seem to get a 10us delay instead.From the reference manual RM0008''The SysTick calibration value is set to 9000, which gives a reference time base of ...

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