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stm32f4 mp45dt02 sampling above 16k not working

Posted on December 22, 2013 at 14:55Hello.I'm using mp45dt02 mic on the discovery board and just forwarding data to cs43l22. For sampling freq 16k is working fine, but if I want higher Fs, it doesn't work anymore. I'm only hearing beeping/scratching...

ST32 2x7 Frame Transmission

Posted on July 09, 2013 at 08:50Good morning everyone,I'm currently working on a project with a ST32 and my goal is to be able to give him simple instruction in Modbus TCP/IP thanks to an Ethernet cable. Presently I've been able to code functions in...

PCB Document in Design/Schematic Packs; Downloads

Posted on August 11, 2016 at 17:37Hi, I'd like to designe a PCB with a STM32F7xx. You use to have in the Design/Schematic Packs also the xxx.PCBDOC. E.g. STM3210C-EVAL (MB784C, MB785A) They  save lot of work and time. But I miss the PCB Document for...

christos by Associate II
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  • 6 replies
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basic bootloader for M0

Posted on June 20, 2016 at 23:21Hello Forum, I've been reading on the forums about custom bootloaders stored in flash and I was wondering if there was another possibility (possibly because I want to avoid messing with stack pointers, reset vectors e...

stenasc by Senior
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  • 43 replies
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STM32 external sdram strange problem

Posted on August 12, 2016 at 07:27STM32 external SDRAM(32bit width,FSMC interface) 16bit and 32bit writing OK,but 8bit writing is not OK, shown below,source file is also attached. Test Results uint8_t  write_buf1[100];write_buf1[0] = 0x01;  //0xC000...

lbguan by Associate
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fp issue: vstm/vldm all 32 fp registers at once

Posted on August 12, 2016 at 01:09 A few details: both code and data caches are enabled. 216MHz SysClk. Timer ISR schedules a task every millisecond. SCB.SHCSR=1<<18 to enable use of usage fault ISR for the fp trap handler. All ISR’s mentioned a...

picguy2 by Associate II
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STM32F103 USART2 CAN'T SEND DATA

Posted on August 08, 2016 at 08:42Hi all,I've built USART2 connection with using none-flow-control via rs485 through my pc. Sending data from my pc to stm32f103 is working correctly however, i can't send any data from stm32 to my pc.Do you have any ...

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