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Hello,I would like to evaluate the STM32H753XI MCU and I suppose the right board for that is the STM32H753I-EVAL2. Since I am completely new to STM MCUs and MPUs, I would like to know a little about it:- Is it sufficient to have the board itself and STM32CubeH7 to run and debug applications?- Is it suitable for bare-metal software development?Thanks,Ricardo

How can I find the CE Certificate for the VL53L0X?

Hello,I have a board with an ST component in SMB housing (a diode?) marked BL6, next line GP 733. What part number could this be?

I'm trying to get the internal temperature sensor working on a custom board with an STM32L432KC. VDDA is 2.5V and is stable. The raw readings I'm getting are about 200 counts higher than I would expect on a 12bit config. The reading doesn't change based on temperature, usually I can see a 5 degree change if I shoot compressed air at the chip. I'm guessing I'm somehow reading a different ADC channel but I'm not exactly sure how to debug that. Attached are the register values after boot up.

Hi, I am currently working on a Embedded software application which require multiple SPI, UART peripherals/ pinouts(Min 2). I have used SDP-K1 (MCU- STM32F469) Eval board for my previous project which is suitable for my current project as well except that I need multiple pinouts. Is there any Eval board/Development board suitable for my Use case. Please help me out

After some period of approximately 2 years my login is rejected as having incorrect username or password. Careful reentry is not successful, I keep getting the same rejection. I conclude that passwords expire after some time.If that is true, why not a message " Your password has expired. Please create a new password" to avoid fruitless attempts to reenter the password that worked the day before?Or correct me if I have the wrong assessment of the problem.

I am using 3 Channels to generate 6 pwm using complementary pwm by timer 1. I want to release outputs of CH1 and CH1N when modulation is low (ie. PWM near 50%), and do the same for other channels (shifted 120degrees in time).I try playing with register CCER :TIM1->CCER &= TIM1_OC1_DISABLE;  // using  #define TIM1_OC1_DISABLE ((uint16_t)0xFFFE)and later :TIM1->CCER |= TIM1_OC1_ENABLE;   // using #define TIM1_OC1_ENABLE ((uint16_t)0x0001)Disabling works fine, but re-enabling is done with approx 10ms delay for some reasons when I need a few tens of us max delay.. (PWM is at 30kHz, center aligned)..Using MOE bits works fine, but does skip outputs on all channels simultaneously.Any idea ? Thks, Pierre

HelloI working with spc560p and I send or receive with SPI very good and had no problem, but if I want to send or receive more than 4 bytes (32bits) in one message (one chip select), what should I do? I used this format for send and receive: spi_lld_start(&SPID2, &spi_config_Achip);spi_lld_exchange(&SPID2, 4, txbuf, rxbuf);spi_lld_stop(&SPID2); Is there any sample in spc5studio wizard?

Hello, I checked the L9961 datasheet for information on the cell voltage protection function, but couldn't find the operating voltage.  Other products usually provide Over Voltage Protection (OVP) for cells, but in the case of L9961, only the cell measurement range is mentioned.  Could you clarify if voltage limitation needs to be set solely through I2C communication between the BMS IC and MCU chips?

I am testing CORDIC module on STM32H723ZG. The results from CORDIC_FUNCTION_COSINE calculation are consistently negative where they should be positive and vice versa. This holds for 32BIT calculations and for 16BIT as well. Cannot find why this is taking place. The code and example results below.Has anybody seen this behavior?For example: The testing part of the code for 32Bit case looks like this: CORDIC_Config_32BIT(sConfig);printf("***** CORDIC RESULT 32BIT ***** \n");for (int i = 0; i < 360; i+=1){q31_angles[i] = f32_to_q31(i / 360.0) << 1; // angle in rad divided by pi,f32_angles[i] = q31_to_f32(q31_angles[i]);printf("%lf - %ld - %lf \n", i*2/360.0, q31_angles[i], f32_angles[i]);}for (int ii = 0; ii < 360; ii+=20){CORDIC->WDATA = q31_angles[ii];CORDIC->WDATA = ((int32_t)0x80000000);tt1 = (int32_t)CORDIC->RDATA;tt2 = (int32_t)CORDIC->RDATA;cor_cos = q31_to_f32(tt1);cor_sin = q31_to_f32(tt2);printf("%16ld - %16.3lf - %16ld - %16ld - %16.3l

Hello, I am using the STM32f107vct6 which has 256kbyte flash memory size. However, after connecting to MCU via st-link V2 and ST-link utility it shows me just a few pages of my flash memory size and the wrong flash memory size.what is my mistake? 

Hello, I have implemented a high-speed USART @921600 baud rate with STM32f10x @72Mhz. I want to send 3000 Bytes to a slave MCU.In slave MCU, I used USART DMA to read MSG[300]byte data collect the data, and copy them into a larger array(Data[3000]).My problem is that when the first 300 bytes come from the USART and a DMA interrupt occurs, I don't have enough time to copy MSG[300] bytes to my larger array Data[3000] and if I use a memory-to-memory DMA, I am worried about the variable changing when the incoming the second-300byte packet changes the previous values of MSG variable. what is you idea?

Hey,im developing a zigbee sleepy end device. The device is supposed to periodically send sensor values (max length of 512bytes) read via I2C to the coordinator using the custom cluster. I use the HW_TS to trigger the sensor readings and sending the message. After a few messages (~8-20) the sleepy end device messages start to not arrive in time or at all and out of order, ending with the end device hanging up and being removed from the network by the coordinator.What I have tried:Disabling sleepy mode -> resolves the issue, but not acceptable due to energy consumptionUsing the SE Messaging Cluster with burst messages -> no changeUsing fastPolling -> as expected, no changePlaying around with interrupt priorities, especially sysTick Timer set to highest prioity. My current setup:I would appreciate any advice on what might cause this issue or what else I could try to avoid wrongly timed/garbled messages from the SEDs!Best regards

Where can I find the st-nucleo-lora-gw-atfw-v2.0.2.bin for the NUCLEO-F746ZG board 

I've been reading about GPIO and what can be triggered. I see an event can be triggered. Events can be connected to peripherals to have some control without the CPU intervening. I can't find good documentation showing how to connect or effect peripherals. I'm hoping there is a way to trigger a DMA channel to transfer data with a GPIO without a timer in between.Are GPIO events the way to trigger a DMA transfer with an external signal? Interrupts are too slow. Timers can do it but are they necessary?

I have an MT25QL01GBBB8ESF-0SIT controlled by an STM32F765VGT6 microcontroller. This was coded using C and the STM32 HAL in the STM32CubeIDE. It was verified working using different SPI commands such as read JEDEC ID, page program, etc. However, after writing to the nonvolatile configuration register, all the tested code stopped working.  Now, I am trying to fix this issue using the power loss recovery function and interface rescue functions of the flash memory. But the flash memory still does not work properly. Would appreciate help in fixing this issue. Let me know if any more information is needed. I have tried resetting the chip using software and hardware reset pin. I also have an exact duplicate of the chip connected to the same SPI line and verified all the code to be working properly except for the write nonvolatile configuration register function as I did not want to corrupt that chip as well. Currently, I am trying to implement a power loss recovery and in

Hello,Can we copy ST demo software(middleware) if we use ST25R3916 chip but not not using ST MCU?Lets say I am using PIC microcontroller to talk to ST25R3916. Can I copy Auto Antenna Tuning algorithm provided in st24r3916_aat.c/.h?Thanks! BR,Cindy 

I am trying to understand what I am doing wrong here. The following image was captured during a debug session to show strange behaviour.In the If statement ap->enable and ap->active are both true, but ap->relay_map is 0, as shown on the right, so this should evaluate to false. So why does the processor execute the statement within the brackets (shown by the green highlight) since the If fails? It actually crashes the processor because the index evaluates to -1 which is out of bounds of the relays array.

See debug out for details.CA7 : Forward efd info for buf7 with mFdSdbRpmsg:7 and efd:15CA7 : DBG mmappedData[7]:0xb4d00000CM4 : SDB0_RxCpltCallback: B7Ae8800000L00100000CM4 : treatSDBEvent OK physAddr=0xe8800000 physSize=1048576 mArrayDdrBuffCount=7According to the reference manual this area is only accessible by the A7 (DDR Extension).I am using the /dev/rpmg-sdb driver to map the memory.How do I get mmap to map in the proper space? Not sure why it is mapping in the upper range of DDR.I have been using the logic analyzer example.

I need to build an MQTT demo from scratch using STM32CubeIDE where the STM32 board will act as the publisher and Adafruit IO will act as the subscriber. I want to implement this without using FreeRTOS and LwIP, focusing only on publishing the message. I need a step-by-step guide on how to accomplish this.

Hello, Im using STM32H745 on custom board, with Micron Flash Memory (MT25QU512ABB)Board is tested, I was able to manage NOR memory through QSPI.I tried to change nonvolatile configuration register to set two things:Number of address bytes during command entry to 4-byte address modeEnable Quad I/O protocol This is code I used:uint8_t QSPI_Set_Nonvolatile_Reg_Config(void) {   QSPI_CommandTypeDef sCommand; uint8_t test_buffer[4] = { 0 };   /*read configuration register*/ sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; sCommand.Instruction = 0xB5; //READ NONVOLATILE CONFIGURATION REGISTER sCommand.AddressMode = QSPI_ADDRESS_NONE; sCommand.AlternateByteMode = QSPI_ALTERNATE_BYTES_NONE; sCommand.DataMode = QSPI_DATA_1_LINE; sCommand.DummyCycles = 0; sCommand.DdrMode = QSPI_DDR_MODE_DISABLE; sCommand.DdrHoldHalfCycle = QSPI_DDR_HHC_ANALOG_DELAY; sCommand.SIOOMode = QSPI_SIOO_INST_EVERY_CMD; sCommand.NbData = 2;   if (HAL_QSPI_Command(&hqspi, &sCommand,

I am really confused about driving mosfet. read many documents regarding this. some documents says gate current may be 2.5A, some says it may be 50mA.what is the actual formula to calculate gate current?I am using IRF510 (H bridge conf.) at 24V, 700 KHz.

Hello,   Am working on STM32L412RBT6. We made a custom PCB for our product and Am trying to PD2 as digital output as toggle function. I can't able to find any high output at PD2. The pin PD2 is always remains low. Please help me on this   

Hi Guys, New in STM32 design. We are going to use STM32G4 MCU (specific P/N hasn't been selected yet).We want to use dual image boot (for upgrade option). I need to choose an external QSPI flash for that.What is the maximum image size for STM32G4? Thanks Shay

Hi I have 4 sensors in configuration all have separate address and initialize ok. when first sensor start ranging I check the state vl53l8cx_get_power_mode wake it up and it ganges with no errors. but then I want to put it to sleep, so I again check the state  vl53l8cx_get_power_mode and sensor gives me 0x05 value instead of 0x04 expecting for wakeup state. Any reason for that behaviour or what does state 0x05 mean?