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Unclear documentation

Posted on December 08, 2012 at 23:17I'll refer to the RM0033 Doc ID 15403 Rev 5 page 826 last paragraph: ''When the SOF is detected, the MAC accepts the data and begins transmitting to the MII'' Does it mean that SOF(SFD =0xD5?) has to be part of t...

brberie by Associate II
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USART float values

Posted on December 07, 2012 at 17:08hello, ive been playing around with USART on my stm32f4 discovery for some time now. I am able to send letters and strings on USART but not float values. i really need to transmit float values to PC.I`ve tried but...

STM32F107 CAN using PB5 and PB6

Posted on December 04, 2012 at 21:15I'm struggling a little bit getting the CAN up and running on my board.  The board is one that we've designed using an STM32F107.  It uses a 25 MHz crystal so the timing should be just like the demo boards.  I'm w...

lysaght by Associate II
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STM32F2 In application programming using image files

Posted on December 08, 2012 at 02:39Hi All,Device: STM32F207VCFlash: 256KBRAM: 128KBI have a general question regarding programming image file to user code area in flash located at: 0x8000000I am running following procedure to do this.1). Making sur...

mit by Associate II
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STM32L152 - i2c interupt not firing

Posted on November 30, 2012 at 02:22 Hi there, I am wondering if anyone could help me on a small issue. My I2C1_EV_IRQHandler is not firing when I2C_GenerateSTART(I2C1, ENABLE); is called. Can anyone see anything in the below set...

Having some trouble setting TR in the RTC

Posted on December 05, 2012 at 22:35I'm working with a mix of STM drivers and in in-house drivers, some of which we have written, some of which we inherited.  I am trying to set the date and time in the RTC, starting with TR.  It is not working.Here...

sjenyart by Associate II
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Low-speed quartz resonator load capacitance

Posted on December 07, 2012 at 13:57Hello! In the device datasheet DS6329 v.9 on page 85 I found the following:Caution: To avoid exceeding the maximum value of CL1 and CL2 (15 pF) it is strongly recommended to use a resonator with a load capacitance...

beatle7 by Associate
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STM32F107VC USART Transmit register

Posted on December 07, 2012 at 06:46Hi, I am trying to communicate to STM32F107VC microcontroller via UART5. I am debugging the DR register of UART5 port, but it seems it is always zero (I am using IAR EWARM with ST-LINK V2 via STM32F1Discovery). th...

hakeila9 by Associate
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