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Home/renesas

Tag: renesas

Renesas is a Japanese semiconductor manufacturer headquartered in Tokyo, Japan.

The brand Renesas is a contraction of “Renaissance Semiconductor for Advanced Solutions”, initially incorporated in 2002 as Renesas Technology, the consolidated entity of the semiconductor units of Hitachi and Mitsubishi excluding their dynamic random-access memory businesses.

It basically deals in automotive semiconductors and microcontrollers.

volt.tech Latest Questions

Julian White
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Julian White
Asked: May 25, 2023In: Microcontroller

How to Set Trigger ADC from GPT?

  • 0

Hi, I’m using RF7A6M2AF MCU. I’m working at the register level and don’t use Renesas libraries. I’m trying to set up the MCU so I could spark ADC sampling from GPT. I do have a GPT formerly working in the circle. I ...Read more

Hi,

I’m using RF7A6M2AF MCU. I’m working at the register level and don’t use Renesas libraries. I’m trying to set up the MCU so I could spark ADC sampling from GPT.

I do have a GPT formerly working in the circle. I did set ADTRAUEN to 1 in the GTINTAD register and GTADTRA to 2, so the ADC trigger event starts early on during the GPT up-count. To confirm that the ELC_EVENT_GPT1_AD_TRIG_A event actually happens I’ve configured an interrupt for it and it does get triggered.

The thing I must be missing is the configuration at the ADC level for the trigger. A single checkup from the software trigger is working rightly and I can see ELC_EVENT_ADC1_SCAN_END related interrupt being triggered but if I configure ADCSR register TRGE and EXTRG fields to enable synchronous trigger I can not get ADC to work. I was looking into the ADSTRGR register to set a trigger for the ADC, but I don’t see an option for the GPT.

What am I missing?

Kind regards.

Julian White

Read less
adcadtrauengptmcumicrocontrollersrenesasrf7a6m2af
  1. nidhi singh
    Added an answer on May 26, 2023 at 10:30 am

    Hello, Thanks for reaching out to Volt Tech Engineering Community. Do you have set the ELSRn to register? For example, ELSR8 register (for ADC unit 0)? You require to set this register with the right value from Table 19.3 according to your preferred GPT channel and event. Thank & Regards

    Hello,

    Thanks for reaching out to Volt Tech Engineering Community.

    Do you have set the ELSRn to register? For example, ELSR8 register (for ADC unit 0)?

    You require to set this register with the right value from Table 19.3 according to your preferred GPT channel and event.

    Thank & Regards

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nidhi singh
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nidhi singh
Asked: May 13, 2023In: Microcontroller

RA6M3 SPI_Transmit NMI_HANDLER?

  • 0

Hello everyone. I’m trying to use a driver that uses spi with my RA6M3 board. But I ran into a problem that I had not encountered ahead. The NMI interrupt goes into an infinite loop and doesn’t live. I do ...Read more

Hello everyone. I’m trying to use a driver that uses spi with my RA6M3 board. But I ran into a problem that I had not encountered ahead. The NMI interrupt goes into an infinite loop and doesn’t live. I do not know much about NMI so I do not know what to do. The NMI pin on the RA6M3 board is P200. P200 isn’t enabled but never gets stuck in NMI masking function in the spi_transmit process. And it can not exit NMI_Handler.

Thank You

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mcumicrocontrollersmicroprocessorsnmip200ra6m3renesas
  1. Alex thomas
    Added an answer on May 15, 2023 at 10:01 am

    Hello, What's the value of the NMISR register when the NMI handler is called? The value of the register gives some data about the cause of the NMI interrupt. Also at what point inside the 'spi_transmit' does the NMI occur? Regards Alex Thomas

    Hello,

    What’s the value of the NMISR register when the NMI handler is called?

    The value of the register gives some data about the cause of the NMI interrupt.

    Also at what point inside the ‘spi_transmit‘ does the NMI occur?

    Regards

    Alex Thomas

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Answer
vikas Nagpal
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vikas Nagpal
Asked: April 18, 2023In: Microcontroller

Tool chain configured for a project not presently available Error message?

  • 0

Hello Forum, I am trying to collect and run the NetX_dhcpv4_client project from the r20an0585eu0127– ek- ra6m4 example projects.zip group of demo projects. I’ve what I suppose is a standard install of the FSP4.3.0 decline and toolchain. If I import the ...Read more

Hello Forum,

I am trying to collect and run the NetX_dhcpv4_client project from the r20an0585eu0127– ek- ra6m4 example projects.zip group of demo projects. I’ve what I suppose is a standard install of the FSP4.3.0 decline and toolchain. If I import the below project from the zip file it looks like it imports clean but will not compile. I’m getting the error saying the toolchain configured for the project isn’t presently available. Where have I gone wrong with this project importation? I would have allowed all these example projects to be set up to run on the default toolchain.

Thank you for the help!!

Vikas

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mcumicrocontrollersmicroprocessorsr20an0585eu0127renesastoolchain
  1. Julian White
    Added an answer on April 19, 2023 at 10:29 am
    This answer was edited.

    Hello vikas, Open the project properties, C/C Build-> Settings-> Toolchain tab Unselect the Use integrated toolchain account checkbox, click Apply, elect the Use integrated toolchain account back, this will modify the current toolchain to the toolchain available on your system. Click Apply andRead more

    Hello vikas,

    Open the project properties, C/C Build-> Settings-> Toolchain tab

    Unselect the Use integrated toolchain account checkbox, click Apply, elect the Use integrated toolchain account back, this will modify the current toolchain to the toolchain available on your system. Click Apply and Close, done!

    Thank you,

    Julian White

     

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ashishgawade
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ashishgawade
Asked: April 7, 2023In: Microcontroller

How to set the Heap and Stack Sizes in Simple Netx?

  • 0

Hello Forum, It’s been 5 years since I’ve done important firmware and have forgotten a lot of how this device works. I am trying to learn a simple netx application running. In the older Community ssp, there use to be a ...Read more

Hello Forum,

It’s been 5 years since I’ve done important firmware and have forgotten a lot of how this device works. I am trying to learn a simple netx application running. In the older Community ssp, there use to be a tab like properties or something that would allow me to change things like the thread name and set the heap and stack sizes. Where is that now hidden? I allowed it use to be down in the lower section there next to the problems tab.

Thank you for the help!

Ashish Gawade

Read less
heapmcumicrocontrollersmicroprocessorsnetxrenesasSTACK
  1. vikas Nagpal
    Added an answer on April 10, 2023 at 10:42 am

    Hello Ashish, You can change the setting in the "Properties" window. It can be opened by selecting the "Window" - "Show View" - "Properties" menu. Kind regards, Vikas If this response, or one provided by another user, answers your question, please verify the answer. Thank you!

    Hello Ashish,

    You can change the setting in the “Properties” window. It can be opened by selecting the “Window” – “Show View” – “Properties” menu.

    Kind regards,

    Vikas

    If this response, or one provided by another user, answers your question, please verify the answer. Thank you!

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Answer
nidhi singh
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nidhi singh
Asked: March 27, 2023In: Microcontroller

How Virtual EEPROM and RA2E1 Product work Together?

  • 0

Hi, I need to apply the virtual EEPROM on a RA2E1. In principle, this mechanism works, and I can write and read the record IDs. During the production of the board, I need to program the original content of this rec id. ...Read more

Hi,

I need to apply the virtual EEPROM on a RA2E1. In principle, this mechanism works, and I can write and read the record IDs. During the production of the board, I need to program the original content of this rec id. Is there any documentation or example on how to make the memory address’s binary file starting from 0x40100000?

Thanks, Nidhi

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0x40100000binaryboardeepormeeprommcumicrocontrollersmicroprocessorsRA2E1renesas
  1. ashishgawade
    Added an answer on March 28, 2023 at 10:13 am

    Hi Nidhi, Thanks for reaching out to Volt.Tech Engineering Community. If I understand right you need to program the data flash of the device just right? The data flash can be written in both ways, by Renesas Flash Programmer, or by self-programming (by the software running on the device). To programRead more

    Hi Nidhi,

    Thanks for reaching out to Volt.Tech Engineering Community.

    If I understand right you need to program the data flash of the device just right?
    The data flash can be written in both ways, by Renesas Flash Programmer, or by self-programming (by the software running on the device).

    To program only the data flash with Renesas Flash Programmer, the file used to program the device would require to hold only data for the data flash address range. A. srec,. hex, or. bin file can be used with RFP to give the data to be programmed into the flash.

    Regards

    Ashish

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Answer
Alex thomas
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Alex thomas
Asked: March 16, 2023In: Microcontroller

How to use RA2A1 MCU at 5V Power Supply?

  • 0

Hello, I am planning to use RA2A1 MCU for a design with 24-bit ADC sampling and relay control. Because there are many 5V peripherals in this system, it’ll be much simple if the RA2A1 runs at a 5 Volt power supply. Most ...Read more

Hello, I am planning to use RA2A1 MCU for a design with 24-bit ADC sampling and relay control.

Because there are many 5V peripherals in this system, it’ll be much simple if the RA2A1 runs at a 5 Volt power supply.

Most of the RA2A1 examples are running at a 3.3 V power supply, what’s the potential problem if run at a 5 V power supply?

Regards

Alex Thomas

Read less
mcumicrocontrollersmicroprocessorspowerra2a1renesassupplyvolt
  1. vikas Nagpal
    Added an answer on March 17, 2023 at 10:28 am

    Hello, None RA2 family can run from 1.6 V to 5V. The data sheet & hardware user manual that can be found on the Renesas web give further detail. Thank You

    Hello, None RA2 family can run from 1.6 V to 5V.

    The data sheet & hardware user manual that can be found on the Renesas web give further detail.

    Thank You

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Alex thomas
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Alex thomas
Asked: March 1, 2023In: Microcontroller

Is switching in MCUBoot is Atomic?

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Hi, I am curious to understand that switching operations in RA2A1 MCUboot is Atomic. However, what happens if it fails during the exchange operation in MCUboot? If it isn’t atomic programming. Thanks and Appreciate for sharing your knowledge. Best regards, Alex Thomas

Hi,

I am curious to understand that switching operations in RA2A1 MCUboot is Atomic.

However, what happens if it fails during the exchange operation in MCUboot?
If it isn’t atomic programming.

Thanks and Appreciate for sharing your knowledge.

Best regards,

Alex Thomas

Read less
atomicmcubootra2a1renesasswitching
  1. nidhi singh
    Added an answer on March 2, 2023 at 10:37 am

    Hi Alex, The exchange mode for MCU boot uses the scratch area as an intermediate area in order to complete the exchange of the 2 images. The process of switching is done like below. However, then no information is lost, If a power failure occurs. The scratch area must be large enough to store the laRead more

    Hi Alex,

    The exchange mode for MCU boot uses the scratch area as an intermediate area in order to complete the exchange of the 2 images. The process of switching is done like below. However, then no information is lost, If a power failure occurs.

    The scratch area must be large enough to store the largest sector that’s going to be shifted. For RA2 MCUs, the scratch area should be set up to 0x800 when exchange mode is used.

    Regards

    Nidhi Singh

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nidhi singh
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nidhi singh
Asked: February 15, 2023In: Microcontroller

How RASC- Adding FPU for RA2E1?

  • 0

Hi everyone! I want to use float variables as I transfer data through UART. But I do not know where should I add FPU in CMake files. I do not apply to e2studio, just created the Cmake project from RASC. Could you help ...Read more

Hi everyone!

I want to use float variables as I transfer data through UART.

But I do not know where should I add FPU in CMake files. I do not apply to e2studio, just created the Cmake project from RASC.

Could you help me with how can i solve this situation?

Regards.

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fpumcumicrocontrollerRA2E1rascrenesas
  1. Alex thomas
    Added an answer on February 16, 2023 at 10:28 am

    Hi Nidhi, Thanks for posting your question online. In setup to perform floating point operations with library calls, you should add-mfloat-abi = soft. Please refer to-mfloat-abi = name on https//gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/ARM-Options.html In setup to apply functions printf and scanf functiRead more

    Hi Nidhi,

    Thanks for posting your question online.

    In setup to perform floating point operations with library calls, you should add-mfloat-abi = soft. Please refer to-mfloat-abi = name on https//gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/ARM-Options.html

    In setup to apply functions printf and scanf functions, you should add these 2 linker options

    Hope it helps

    Regards

    Alex Thomas

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ashishgawade
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ashishgawade
Asked: February 3, 2023In: Microcontroller

How GPT Trigger ADC without using FSP?

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Hi, I would like to trigger ADC conversion with GPT capture and compares events without using the FSP configuration. I couldn’t figure out how to do it, is there any example project about it? Thank you

Hi,

I would like to trigger ADC conversion with GPT capture and compares events without using the FSP configuration. I couldn’t figure out how to do it, is there any example project about it?

Thank you

Read less
adcfspgptmcumicrocontrollersmicroprocessorsrenesastrigger
  1. vikas Nagpal
    Added an answer on February 4, 2023 at 11:12 am

    Hello, It’s easy. see the section, 3 of the manual (RA4M1) To trigger the A/D, write to register ELSR8 (R_ELC. ELSR (8), and the number you write to that register is the event number shown in table 18.3, nearly between 0x57 and 0x96, depending on which timer, which event (and maybe which processor).Read more

    Hello,

    It’s easy. see the section, 3 of the manual (RA4M1)

    To trigger the A/D, write to register ELSR8 (R_ELC. ELSR (8), and the number you write to that register is the event number shown in table 18.3, nearly between 0x57 and 0x96, depending on which timer, which event (and maybe which processor).

    First, you have to enable the ELC registers by writing 1 to R_ELC. ELCR and writing to the module stop register.

    You also have to inform the A/D by writing 9 to ADSTRGR (see section 35.2.12)

    Thank You

    Vikas

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Alex thomas
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Alex thomas
Asked: January 23, 2023In: Microcontroller

Switching from Community to RA Processor?

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Hello, We are changing a product from a Community to an RA processor. Can we use the same E2 Studio and switch between SSP and FSP? We’ll have times when we are doing maintenance on the Community product and also doing ...Read more

Hello,

We are changing a product from a Community to an RA processor. Can we use the same E2 Studio and switch between SSP and FSP? We’ll have times when we are doing maintenance on the Community product and also doing dev on the new RA board.

Is there a specific version of E2 that can do this?

Does it make sense, or should we’ve two different E2 setups?

Thanks

 

Read less
e2 studiofspmcuprocessorrarenesasssp
  1. nidhi singh
    Added an answer on January 25, 2023 at 11:19 am

    Hi Alex, The FSP and SSP releases are at a different meter and each version released is tested/ qualified against a specific version of e2-studio. The distribution download of the platform installer will ensure that the proper version of e2-studio will be with the FSP/ SSP version. I advise that youRead more

    Hi Alex,

    The FSP and SSP releases are at a different meter and each version released is tested/ qualified against a specific version of e2-studio. The distribution download of the platform installer will ensure that the proper version of e2-studio will be with the FSP/ SSP version. I advise that you command a different and specific installation for SSP and FSP.

    Thanks & Regards
    Nidhi

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