STM32 MCUs products

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DMA interrupt handler hit but no IT flags set

Posted on August 13, 2013 at 11:41Hi, I am using DMA1 on an STM32F103 to collect data continuously from ADC1 as it cycles thru a regular conversion group.  Every time the DMA transfer complete interrupt fires I post an event to look at the data and ...

SPI Issues

Posted on July 21, 2013 at 07:37 Currently im using SPI to send information to configure the internal registers of a ENC28J The minimum SCK allowed is 8 Mhz. Im using the STM32F103RB, which can operate at 78Mhz. For some reason when i try to boo...

timothy by Associate II
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TIMING issues

Posted on July 20, 2013 at 20:19im trying to pull a pin high and drop low right before SPI transmission. Any suggestions on how i can accomplish this? Basically i need a command that will do this every time there is a transmission. #stm32f103

timothy by Associate II
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hex file compatibility

Posted on July 19, 2013 at 19:46It's possible to create an hex file with IAR Embedded Workbench and download through the keil uVision the same file?I have an error:No Algorithm found for: 00000000H - 0000063FH #hex-file-stm32f103-iar-keil

STM32F103 Internal Flash Bank2 Access

Posted on May 31, 2013 at 13:57I am working on a project using an STM32F103 with 768K of internal Flash. I can successfully erase and program the first bank of internal Flash, but am having problems with bank2. The problem seems to be that I am havi...

stuart by Associate
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USB Device using SDHC through SPI in STM3210C-eval

Posted on July 02, 2013 at 22:09Hi,I am working in a USB Device project. The idea is plugging the device in the PC via USB cable in order to mount a drive unit. Data is storaged in a SD card through SPI interface. I am using STM3210C-Eval board and ...

gustavo2 by Associate II
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STM32F103 I2C EEPROM oddity

Posted on June 17, 2013 at 00:39I am trying to use the I2C to read and write to an external 24LC024 EEPROM.  I am using a polling method since my DMAs are being used for USART2.  I remapped I2C1 to PB8/PB9.  When I read the EEPROM it works fine and...

STM32F103 internal temperature sensor

Posted on June 11, 2013 at 14:12Hi! I have seen an earlier discussion with the device stm32F051 or F205 regarding the TS_CAL1 and 2 values. My question is, are these values applicable for the STM32F103 device? Cannot find any references to them in t...

peter23 by Associate II
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