STM32 MCUs Embedded software

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U(S)ART ORE hits again, STM32H7

Have read about the ORE interrupt problem on STM32F7.On STM32H7 it looks like the overflow condition prevents setting RNE flag, even in polling mode, without any involvement of interrupts.With the current H7 HAL driver v 1.5.0, it is very simple: cal...

Pavel A. by Super User
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STM32F7 eMMC FATFS writes data speed only 585KB/S

Hi ST communities,My hardware is MCU STM32F756, eMMC mtfc2gmdea-0m 4bit 24MHZ CLK.FATFS: R0.12C.STM32F7_Cube_FW_Ver:STM32Cube_FW_F7_V1.15.0.Why does eMMC now write data at only 585KB/S. FATFS_WR_SIZE 8192, every time to writes 1024Bytes.uint8_t wtext...

ddavi.8 by Associate II
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HAL CubeMX I2C slave NACK problem (STM32F446)

Technical environment :-       Master : CM3 (Raspberry)-       Slave : STM32F446-       CubeMX : V4.23 (even tested with V4.26.1)-       Normal transaction is : MASTER do a 4 bytes WRITE, then a 1 byte WRITE and at last, a 4 bytes READ.The slave ACKe...

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YBOUR by Associate II
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system boot loader FDCAN

Rev V system boot loader FDCANSTM introduces boot via FDCAN1 with chip revision V.The system boot loader version ischanged form V13.3 to V9.0. I’ve tried to figure out how does it work. Here are my findings-     AN2606 rev 38 is updated. It describes...

MMagl by Associate III
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