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Home/microcontroller

Tag: microcontroller

An MCU is like a small computer consisting of a central processing unit (CPU), memory and multiple programmable Input Output peripherals such as UART, ADC, DAC, I/O, I2C, etc.

volt.tech Latest Questions

vikas Nagpal
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vikas Nagpal
Asked: January 11, 2023In: Microcontroller

How RA2A1 24 Bit Single end input measure negative signal?

  • 0

Hello, I am thinking to use RA2A1 MCU to measure a very small AC (50Hz) signal, perhaps millivolt range or lower, but it’s sin wave that has negative amplitude, is RA2A1 MCU single-end input can handle negative signal? Thank You

Hello,

I am thinking to use RA2A1 MCU to measure a very small AC (50Hz) signal, perhaps millivolt range or lower, but it’s sin wave that has negative amplitude, is RA2A1 MCU single-end input can handle negative signal?

Thank You

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mcumicrocontrollerra mcura2a1renesasRenesas Microcontrollersignal
  1. Alex thomas
    Added an answer on January 18, 2023 at 11:50 am

    Hi, You can find the input voltage range in differential input mode in Table 33.7: Thank You

    Hi,

    You can find the input voltage range in differential input mode in Table 33.7:

    Thank You

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Answer
motobuys
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motobuys
Asked: December 29, 2022In: Microcontroller

How Activate Micro Inspector License?

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I’ve installed Micro Inspector Pro on my PC and it shows “ unregistered ”. May I’ve the license to activate my Micro Inspector Pro? Thank you.

I’ve installed Micro Inspector Pro on my PC and it shows “ unregistered ”. May I’ve the license to activate my Micro Inspector Pro? Thank you.

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InspectorLicensemcuMicromicrocontroller
  1. ashishgawade
    Added an answer on January 3, 2023 at 9:45 am

    Hello, We've uploaded your request and apply for a license. It may need some time. And the APP can work well although it shows" unrecorded", so you can use it first, and I'll reply to you when the license is OK. Thanks for your understanding. Regards,

    Hello,

    We’ve uploaded your request and apply for a license. It may need some time. And the APP can work well although it shows” unrecorded”, so you can use it first, and I’ll reply to you when the license is OK. Thanks for your understanding.

    Regards,

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Answer
Alex thomas
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Alex thomas
Asked: December 27, 2022In: Microcontroller

CAN interrupt not happening on RA4M1?

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Hii, It’s getting as far as setting NEWDATA in MCTL_RX (also sets MGSLOST, presumably when the coming message arrives). It also sets NDST in STR. An acknowledged pulse is transmitted on CTX. So, I presume the filters are set correctly. STR isn’t ...Read more

Hii, It’s getting as far as setting NEWDATA in MCTL_RX (also sets MGSLOST, presumably when the coming message arrives). It also sets NDST in STR.

An acknowledged pulse is transmitted on CTX. So, I presume the filters are set correctly.

STR isn’t in HALT or RESET. The relevant bit is set in MIER.

is set to 0x4D, but bit 16 (IR) remains clear. The interrupt handler routine is never invoked. ISER0 bit 0 is set.

Other interrupts are working (RTC). Is there some other global interrupt enabled within the CAN module that I’ve overlooked?

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CANmcumicrocontrollerra4m1renesas
  1. vikas Nagpal
    Added an answer on December 28, 2022 at 9:59 am

    Hi Alex, Thanks for reaching out to Volt Engineering Community. Have you checked the ORIE bit in Error Interrupt Enable Register( EIER)? Please let us know if it answers your question. Regards, Vikas

    Hi Alex,

    Thanks for reaching out to Volt Engineering Community.
    Have you checked the ORIE bit in Error Interrupt Enable Register( EIER)?


    Please let us know if it answers your question.

    Regards,

    Vikas

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vikas Nagpal
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vikas Nagpal
Asked: December 16, 2022In: Microcontroller

RA2L1 AES- 256 Encryption, Decryption Problem?

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Hi Sir, I found” R11AN0496EU0130“, and” R11AN0449EU0120“, but didn’t find any documentation on AES engine operation about RA2L1. PC TOOL” Security Key Management Tool” does not support RA2L1 I also watch fsp document, but it does not help me important with following app ...Read more

Hi Sir,

I found” R11AN0496EU0130“, and” R11AN0449EU0120“, but didn’t find any documentation on AES engine operation about RA2L1.

PC TOOL” Security Key Management Tool” does not support RA2L1

I also watch fsp document, but it does not help me important with following app confirmation.

FSP DOCUMENT : https//renesas.github.io/ fsp/ group,r_m,p_s_a,c_r_y_p_t_o. html

Application:

PC (AES 256- bit encryption)-> RA2L1 (AES 256- bit decryption)-> device

Please give me the RA2L1 PC tool or some AES document (RA2L1) for our exhibition, thanks.

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mcumicrocontrollerr11an0449eu0120r11an0496eu0130ra2l1renesas
  1. Best Answer
    nidhi singh
    Added an answer on December 19, 2022 at 10:10 am

    Hi, The FSP documentation includes examples of using AES encryption and decryption. For a PC- based tool, I would suggest putting something together using Python. The Security Key Management Tool is used for installing/ wrapping keys and so isn't the device you need for the application you describe.Read more

    Hi,

    The FSP documentation includes examples of using AES encryption and decryption. For a PC- based tool, I would suggest putting something together using Python. The Security Key Management Tool is used for installing/ wrapping keys and so isn’t the device you need for the application you describe.

    Thank You

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Answer
vikas Nagpal
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vikas Nagpal
Asked: December 5, 2022In: Microcontroller

GPIO Edge Detection When ISR is Raised?

  • 0

Hi, Configured IRQ Control Register (IRQCRi) rising and falling edge discovery (IRQMD{10}). When the interrupt of the edge discovery is raised, where to find out which edge falling or rising is detected, I need to know what’s the pin position of ...Read more

Hi,

Configured IRQ Control Register (IRQCRi) rising and falling edge discovery (IRQMD{10}).
When the interrupt of the edge discovery is raised, where to find out which edge falling or rising is detected, I need to know what’s the pin position of the GPIO input pin when an edge is detected.

The used CPU is RA2E1.

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cpugpioirqcriirqmdisrmcumicrocontrollerRA2E1renesas
  1. Alex thomas
    Added an answer on December 7, 2022 at 10:33 am
    This answer was edited.

    Thanks for posting your question! You could check your IRQ- pin's level when entering your interrupt message function in order to check if a rising or falling edge is detected. In case your pin's level was initially low and when entering your message function it became high then a rising edge was deRead more

    Thanks for posting your question!

    You could check your IRQ- pin’s level when entering your interrupt message function in order to check if a rising or falling edge is detected. In case your pin’s level was initially low and when entering your message function it became high then a rising edge was detected. If your pin was initially high and also became low then a falling edge was detected. You could read your pin level by accessing the register shown in the picture below.

    For example, if your IRQ pin is P110, you could check its level in the interrupt message function like this:
    R_PORT1->PIDR_b. PIDR10 and check if it’s 1 (HIGH) or 0 (LOW).

    Another way is by using the already given API
    1.fsp_err_tR_IOPORT_PinRead(ioport_ctrl_t * constp_ctrl,bsp_io_port_pin_t pin,bsp_io_level_t *p_pin_value);

    Kind Regards,
    Alex

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Answer
viewpointproducts
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viewpointproducts
Asked: November 29, 2022In: Wireless Connectivity

ESP32 Box Arrived But Not Responding?

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Hello, I feel to have entered a’ faulty’ esp32 box with an issue detecting the wake word, I am sure it’s a simple HW issue and I’m further than happy to try repairing this rather of just returning it, I had ...Read more

Hello,

I feel to have entered a’ faulty’ esp32 box with an issue detecting the wake word, I am sure it’s a simple HW issue and I’m further than happy to try repairing this rather of just returning it, I had to stay 5 weeks to admit it.

I’ve updated it to the latest FW

https//youtu.be/gDq0usur58w

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espesp32mcumicrocontroller
  1. nidhi singh
    Added an answer on December 2, 2022 at 10:00 am

    Hello, However, you can try to disassemble it, If you're willing to try to fix it yourself. The microphones are on a separate board that's connected to the main board with a 6- pin FPC cable; it would probably be a good idea to check if that's still inserted and snug. Thanks

    Hello,

    However, you can try to disassemble it, If you’re willing to try to fix it yourself. The microphones are on a separate board that’s connected to the main board with a 6- pin FPC cable; it would probably be a good idea to check if that’s still inserted and snug.

    Thanks

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vikas Nagpal
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vikas Nagpal
Asked: November 29, 2022In: Microcontroller

MISO Generate Pointless Pulse?

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Hello, I have an R7FA2E1A93CFM microcontroller set as a slave. I use SCI SPI. The miso side of the communication line creates a pointless pulse. Functions that shouldn’t work are triggered because of this signal. You can see it in the ...Read more

Hello,

I have an R7FA2E1A93CFM microcontroller set as a slave. I use SCI SPI. The miso side of the communication line creates a pointless pulse. Functions that shouldn’t work are triggered because of this signal. You can see it in the circle in the picture below. I need your help.

Thank You in Advance…

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mcumicrocontrollermisopulser7fa2e1a93cfmrenesas
  1. nidhi singh
    Added an answer on December 1, 2022 at 10:25 am

    Hi, The MISO pulses manifest at some stage in SPI idle state (while the clock is idle among the transfers). In master mode (in SPI, now no longer SCI_SPI) there's the choice to pick out MOSI idle level at low or high based on the MOIFE and MOIFV bit settings in SPPCR. However, there's no such choiceRead more

    Hi,

    The MISO pulses manifest at some stage in SPI idle state (while the clock is idle among the transfers).

    In master mode (in SPI, now no longer SCI_SPI) there’s the choice to pick out MOSI idle level at low or high based on the MOIFE and MOIFV bit settings in SPPCR.

    However, there’s no such choice in slave mode to choose the idle level of MISO.

    We could help greater in case you share more information about why those pulses are trouble to your application.

    Regards,

    Nidhi

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nidhi singh
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nidhi singh
Asked: November 17, 2022In: Microcontroller

RA2L1 How to Read Ambient Temperature or Chip Temperature?

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Hello, Is the ambient temperature in the user manual the same as the chip temperature? EPadc_ek_ra2l1_ep, only read ADC value, not chip temperature. I wonder how the chip temperature should be calculated. Preparation for Using the Temperature Sensor.I ...Read more

Hello,

Is the ambient temperature in the user manual the same as the chip temperature? EPadc_ek_ra2l1_ep, only read ADC value, not chip temperature. I wonder how the chip temperature should be calculated.

Preparation for Using the Temperature Sensor.


I am sorry, but I still do not understand. How to calculate the chip temperature? The log only printed the ADC value.

Read less
ambientchipmcumicrocontrollerra2l1renesastemperature
  1. Alex thomas
    Added an answer on November 22, 2022 at 10:12 am

    Hi Nidhi, Thanks for reaching out to Volt.Tech Engineering Community. The user manual seems to be inaccurate when applying the word" ambient". Die (chip) temperature can be calculated, as it's proportional to the measured voltage from the ADC in the example. I attach a design that converts the voltaRead more

    Hi Nidhi,

    Thanks for reaching out to Volt.Tech Engineering Community.
    The user manual seems to be inaccurate when applying the word” ambient”. Die (chip) temperature can be calculated, as it’s proportional to the measured voltage from the ADC in the example. I attach a design that converts the voltage output of the ADC to the die temperature.

    EK_RA2L1_Die_Temperature.zip
    I hope it helps.

    Regards,
    Alex

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Alex thomas
  • 0
Alex thomas
Asked: November 16, 2022In: Microcontroller

How to Change Device Part Number in Modus Toolbox XMC?

  • 0

Dears I would like to port an application that was developed on KIT_XMC14_BOOT_001 applying XMC1404- Q064x0200 to XMC1302- T038x0200. I tried to produce a custom BSP, and follow all available proofs for Modus Toolbox. But I’ve the following caseCould you ...Read more

Dears

I would like to port an application that was developed on KIT_XMC14_BOOT_001 applying XMC1404- Q064x0200 to XMC1302- T038x0200.

I tried to produce a custom BSP, and follow all available proofs for Modus Toolbox.

But I’ve the following case

Could you help me?

Regards

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bspdeviceInfineonmicrocontrollertoolboxxmc
  1. nidhi singh
    Added an answer on November 21, 2022 at 10:03 am

    Hello, You can click the "Reset" button and then have a try. Regards, Nidhi Singh

    Hello, You can click the “Reset” button and then have a try.


    Regards,

    Nidhi Singh

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vikas Nagpal
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vikas Nagpal
Asked: November 11, 2022In: Microcontroller

Why BLESS library missing in MTB3.0?

  • 0

Hi. I am updating my design from MTB2.4 to MTB3.0. The library manager no longer shows an option to install the BLESS library in MTB3.0. What happens and what should I do next? Thank You

Hi.

I am updating my design from MTB2.4 to MTB3.0. The library manager no longer shows an option to install the BLESS library in MTB3.0. What happens and what should I do next?

Thank You

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bless libraryInfineonmicrocontrollermtb2.4mtb3.0
  1. nidhi singh
    Added an answer on November 15, 2022 at 10:24 am

    Hello, In MTB, the new AIROC BT Stack will be supported. The legacy stack will be shut off, and this stack will be supported only with PSoC Creator. In MTB 3.0, BLESS library is removed from the library manager. You have to use the new AIROC BT Stack. Thanks, Nidhi Singh.

    Hello,

    In MTB, the new AIROC BT Stack will be supported. The legacy stack will be shut off, and this stack will be supported only with PSoC Creator.
    In MTB 3.0, BLESS library is removed from the library manager. You have to use the new AIROC BT Stack.

    Thanks,
    Nidhi Singh.

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