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StanJerm
Associate III
since ‎2023-07-16
‎2024-09-02

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  • 20 Posts
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User Activity

DMA channel1 Stream 0-7 which channel to choose

2024-09-02
Hi i m working on H732 timer1 as PWM and its working fine, but when I try to implement DMA on timer1, there is no waveform. I enclosed the DMA code below, as I declare an array of 10 PWM duty cycle values..i suspect it's the Timer1 channel1 stream th...

STM32H750 Discovery board SDRAM wrong pin connection (design flaw?)

2024-08-25
hi, i m working on SDRAM for H750 Disco board, saw the schematic diagram(enclosed) shows pin PH5 - SDNWE, PH6 - SDNE1, PH7 - SDCKE1. But STM32CubeIDE has the wrong connection PC0, PC2 and PC3 as shown enclosed.I managed to change the pin of SDNWE to ...

STM Virtual Com port win11 driver needed

2024-07-31
hello, where can i download win11 STM virtual com port?  i install both VCP_V1.5.0_Setup_w7_x64_64bits and W8_x86_32bit all not working ! i din seeSTM Virtual Com port at device manager! only STM STLink visual com port appear ... 

STM32F756 Alternate function

2023-09-07
Hi there, i come across AN4760 p55, configuring GPIOB with alternate functions :GPIOB->AFR[0] = 0x0A000900;  where does this 0A000900 come to config PB2 n PB6 to QSPI alternate function?GPIOB->AFR[1] = 0x00000000; ....GPIOF->AFR[0] |= 0x9900000000;  ...

Bitwise shift left STM32F723

2023-08-25
Hi there i m a student working on STM32F723 the first time, I encountered an register setting example as follows: GPIOC->MODER |= ((2<<(6*2)) \ (2<<(7*2)));  i konw its setting the GPIO register but whats the meaning of * and 2<< at the beginning sen...
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