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Home/ra2l1

volt.tech Latest Questions

Anonymous
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Anonymous
Asked: January 4, 2023In: Microcontroller

Renesas Flash Programming in RA2L1

  • 0

Hello, I’m presently working on a RA2L1 custom board and using the E2 emulator lite for debugging by e2 studio. I want to flash the device. still, I’m not finding any clear methodology documented for the same. It would be ...Read more

Hello,
I’m presently working on a RA2L1 custom board and using the E2 emulator lite for debugging by e2 studio. I want to flash the device. still, I’m not finding any clear methodology documented for the same. It would be helpful if the following points are clarified.

1. Do I’ve to use the Renesas flash programmer for flashing or it can be done through e2 studio?

2. Do I need to alter include anything in the code (tested fine in debug mode) specifically for flashing purpose?

3. Does the code need to be copied from flash to RAM in runtime for better performance? If yes, how do I insure that?
A step-wise guide application note on this topic would be of great help.

Regards,

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flashmcuProgrammingra2l1renesasRenesas Microcontroller
  1. vikas Nagpal
    Added an answer on January 5, 2023 at 11:27 am

    Hello, Thanks for sharing your question with Volt Engineering Community! Please take a look at Code written for downloading and debugging with E2 will most likely just hang when run without a debugger attached. 1. RFP is an option, or any development environment such as e2 studio or 3rd party toolsRead more

    Hello,

    Thanks for sharing your question with Volt Engineering Community!
    Please take a look at Code written for downloading and debugging with E2 will most likely just hang when run without a debugger attached.

    1. RFP is an option, or any development environment such as e2 studio or 3rd party tools can program the flash of the device.
    2. No special accommodations in the application code are necessary to enable flashing the device. Most designs will incorporate a custom charge-loader that uses a particular interface (UART, CAN, etc.) with a proprietary comm protocol, but this isn’t needed if the serial programming mode of the device can be set and a tool used that supports factory programming protocol.
    3. Renesas devices are optimized to execute code from the flash. Some designs that use comparatively slow flash technology can profit from RAM execution but that isn’t the case for RA devices.

    Kind Regards,
    Vikas Nagpal

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Answer
vikas Nagpal
  • 0
vikas Nagpal
Asked: December 16, 2022In: Microcontroller

RA2L1 AES- 256 Encryption, Decryption Problem?

  • 0

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

RA2L1 How to Read Ambient Temperature or Chip Temperature?

  • 0

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.

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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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Answer
Alex thomas
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Alex thomas
Asked: October 15, 2022In: Microcontroller

RA2L1- XCOUT Pin Used as Normal Input?

  • 0

Hello everyone, When using the XCOUT pin as normal input, and also power on, the pin is always low position and it’s set to pull up externally. why? Can anyone tell me? ( By the way, XCIN is ok).

Hello everyone,

When using the XCOUT pin as normal input, and also power on, the pin is always low position and it’s set to pull up externally. why? Can anyone tell me? ( By the way, XCIN is ok).

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mcumicrocontrollerpinra2l1renesasxcout
  1. vikas Nagpal
    Added an answer on October 18, 2022 at 9:44 am

    Hi, You should add the Clock Generation Circuit stack in the Stacks tab of RA Smart Configurator and configure the pins as follows. Also, the pins are configured as XCIN and XCOUT. Let us know if you have further issues. Regards

    Hi,

    You should add the Clock Generation Circuit stack in the Stacks tab of RA Smart Configurator and configure the pins as follows.
    Also, the pins are configured as XCIN and XCOUT.

    Let us know if you have further issues.
    Regards

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Answer
nidhi singh
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nidhi singh
Asked: September 14, 2022In: Microcontroller

UART WITHOUT INTERRUPT

  • 0

Hello, I’m using RA2L1 and E2 Studio. I want to use UART without interrupt. How can i read and transmit datas?

Hello,

I’m using RA2L1 and E2 Studio. I want to use UART without interrupt. How can i read and transmit datas?

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e2 studiointerruptra2l1renesasuart
  1. ashishgawade
    Added an answer on September 21, 2022 at 10:06 am

    It's possible, but you won't be suitable to use the Read and Write API as handed. You'll have to produce your own which will poll the flags of the SCI SSR( Serial Communications Interface Serial Status Register) You would have to pend on the RDRF for data reception, and TDRE( & potentially TEND)Read more

    It’s possible, but you won’t be suitable to use the Read and Write API as handed. You’ll have to produce your own which will poll the flags of the SCI SSR( Serial Communications Interface Serial Status Register)

    You would have to pend on the RDRF for data reception, and TDRE( & potentially TEND) for data transmission.

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nidhi singh
  • 1
nidhi singh
Asked: August 25, 2022In: Microcontroller

Issue in Capacitive Touch

  • 1

The MCU is RA2L1.I encountered a issue when I applied QE for Capacitive Touch( V3.1.0) to make tuning.At the end, it said TSCAP voltage error. Please check and review the design of the Target Board.Failed to tuning. Does anyone know why? The ...Read more

The MCU is RA2L1.I encountered a issue when I applied QE for Capacitive Touch( V3.1.0) to make tuning.
At the end, it said

TSCAP voltage error. Please check and review the design of the Target Board.
Failed to tuning.

Does anyone know why?

The TSCAP pin is tied to a capcitor. Is it incorrect?

 
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mcura2l1Renesas Microcontrollertscap
  1. Sandeep kumar
    Added an answer on August 26, 2022 at 9:28 pm

    On reflection, you are having an issue with tuning, The tuning process is part of QE and the tuning "code" is download TSCAP ( P1.12 on the RA2L1 MCU ) should be connected to ground via a 10nF capacitor. Have you enabled the TSCAP pin in the FSP pin configuration?  

    On reflection, you are having an issue with tuning, The tuning process is part of QE and the tuning “code” is download
    TSCAP ( P1.12 on the RA2L1 MCU ) should be connected to ground via a 10nF capacitor.

    Have you enabled the TSCAP pin in the FSP pin configuration?

     

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Answer
Raja Singh
  • 0
Raja Singh
Asked: May 30, 2022In: Microcontroller

Renesas RA2L1 CAN is not working

  • 0

I am using Renesas RA2L1 example code on CAN but my CAN is not working/not received data CAN analyzer.

I am using Renesas RA2L1 example code on CAN but my CAN is not working/not received data CAN analyzer.

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CANData CAN Analyzermicrocontrollerra seriesra2l1renesasRenesas Microcontrollerrenesas ra seriesrenesas ra2l1
  1. Shivali Singh
    Added an answer on June 6, 2022 at 5:11 pm

    Dear Raja Singh, You need to their CAN ic hardware is it ok or not, and which IC you are using for CAN?   Regards Shivali Singh

    Dear Raja Singh,

    You need to their CAN ic hardware is it ok or not, and which IC you are using for CAN?

     

    Regards

    Shivali Singh

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Raja Singh
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Raja Singh
Asked: May 30, 2022In: Microcontroller

Renesas RA2L1 Family MCU

  • 0

How to use MD pin in Flash time or Debug time or how to program Renesas RA2L1 MCU by using   Renesas flash programmer ?

How to use MD pin in Flash time or Debug time or how to program Renesas RA2L1 MCU by using   Renesas flash programmer ?

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debug timeflash timeMD pinra2l1renesasrenesas flash programmerRenesas Microcontrollerrenesas ra2l1
  1. Support
    Added an answer on August 24, 2022 at 10:44 am

    Hi mr. Raja You have to make MD pin active low while SCI boot (flashing with UART ) & if you want to debug the make it high with 10 K pullup & isolate pull down resistor

    Hi mr. Raja

    You have to make MD pin active low while SCI boot (flashing with UART )

    & if you want to debug the make it high with 10 K pullup & isolate pull down resistor

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Answer
Raja Singh
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Raja Singh
Asked: May 17, 2022In: Microcontroller

Renesas RA2L1 Programming pin connector

  • 0

I am working on Renesas RA2L1 kit , my code finalize on Renesas kit, now we are going to make PCB , for this PCB I want to know about programming pin connector. Can you help to share programming pin ...Read more

I am working on Renesas RA2L1 kit , my code finalize on Renesas kit, now we are going to make PCB , for this PCB I want to know about programming pin connector. Can you help to share programming pin connector so that I can make one my PCB.

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pcbra2l1RA2L1 SERIESrenesasrenesas ra2l1
  1. Shivali Singh
    Added an answer on May 19, 2022 at 6:21 pm

    Dear Raja Ji, Please find the attached details FYR.   Regards Shivali Singh

    Dear Raja Ji,

    Please find the attached details FYR.

     

    Regards

    Shivali Singh

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praveen
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praveen
Asked: May 11, 2022In: Microcontroller

How to configure two I2c Master Channel in Renesas RA2L1

  • 0

In Renesas RA2L1, while configuration of two I2C master channel an error is occurring which is listed below. How to remove this error. Error: require interrupt channel in group 0 or 4.

In Renesas RA2L1, while configuration of two I2C master channel an error is occurring which is listed below. How to remove this error.

Error: require interrupt channel in group 0 or 4.

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I2c master channelra2l1renesasRenesas Microcontrollerrenesas ra2l1
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Answer
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