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IDD measurement in STM32L4R9AI

I am trying to measure the IDD on the STM32L4R9AI-EVAL board by connecting a hand-held meter to the jumper JP4 in different low power modes. I am seeing a current of about 220 uA in all of the three stop modes (0, 1 and 2). This seems to be higher th...

KV by • Associate
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  • 1 replies
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STM32F469I-DISCO CAN2 not working

I'm trying to use CAN2 on STM32F469I-DISCO board. I connected SN65HVD232 to CN12 connector 9 (PB5 RX) and 10 (PB13 TX). On pin 9 i can see with Saleae proper CAN data frame with baud 125000. But uC doesn't receive any frame and not generating IT.I tr...

zenobik by • Associate II
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  • 2 replies
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Resolved! Issue with STM32F4 CAN Bus Clock Settings

Hi, Following is my init code for stm32f4 CAN Bus Normal mode. I've Calculated the bus to work on bit rate of 500 kbps & 16 Tq's. If i connect two discovery boards with transceivers(TJA1050) on both sides, i can see CAN data getting transmit...

LRPS_92 by • Associate II
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  • 4 replies
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Resolved! Is i t possible peripheral bit-band in STM32F3 series?

Hi.I'm using a stm32f301k8u but the peripheral bit-band doesn't work.SRAM bit-band work, but peripheral bit-band doesn't work.The previously used STM32F1 and STM32F4 worked well.Is i t possible peripheral bit-band in STM32F3 series?I can't find anyth...

Nnam.12 by • Associate
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  • 1 replies
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I am having issues in reading the part of CCS811 from STM32L072xx. It is coming 0x80 instead of 0x81, how do I resolve it?

We are currently working on the interfacing of sensor CCS811 with STM32L072, and we are having trouble reading the Part ID of it. On reading register 0x20 the part id we are getting on serial monitor is 0x80 (While it should be 0x81). While checking ...

exit Standby mode delay with iwdg and rtc.

MCU: STM32H750exit Standby mode delay with iwdg and rtc.I find when I enable iwdg it seems will delay 1 second when exit standby mode. After trace code, I find it is hang in HAL_RTC_Init(),the RTC_EnterInitMode() will check weather the hrtc->Instance...

GChu by • Associate
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  • 2 replies
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ADC in Low power run mode

Hi,I have configured ADC like  ADC_ChannelConfTypeDef sConfig;  /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)   */ hadc.Instance = ADC1; hadc.Init.OversamplingMode = DISABLE; hadc.Init.ClockP...

Resolved! What books should I read to understand ARM MCU's?

Hi guys, I am in 12th grade and very interested in electronics. Ever since I knew about ARM microcontrollers (especially STM32 ARM MCU's) I've always wanted to build my projects using ARM MCU's, but I am unable to understand the technical information...

Sashvat by • Associate II
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  • 18 replies
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