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Home/Microcontroller

Category: Microcontroller

A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system. A typical microcontroller includes a processor, memory and input/output (I/O) peripherals on a single chip. Microcontrollers are designed for embedded applications, in contrast to the microprocessors used in personal computers or other general purpose applications consisting of various discrete chips. The general microcontroller consists of the processor, the memory (RAM, ROM, EPROM), Serial ports, peripherals (timers, counters), etc. You may find your solutions or share your thought about to microcontroller by using our Volt.Tech support forums that are supported by thousands of contributing Volt.Tech experts.

volt.tech Latest Questions

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

 

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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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nidhi singh
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nidhi singh
Asked: January 19, 2023In: Microcontroller

PSoC6 Port 6 GPIO shows a pulse at power up/ programming?

  • 0

Hi, We’re seeing a positive pulse in pin 6.5 while powering up, resetting & programming (via SWD). Please see the attached screenshots. The pin is port 6, which also has SWD and reset lines. We tested the pin with various configurations via ...Read more

Hi,

We’re seeing a positive pulse in pin 6.5 while powering up, resetting & programming (via SWD). Please see the attached screenshots.

The pin is port 6, which also has SWD and reset lines. We tested the pin with various configurations via PSoC creator, but could not find out the root cause. Can anyone help us in correcting this issue?

Edit We’re also seeing such an issue in pin 11.1

regards,

Nidhi

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gpioInfineonmcumicrocontrollerspsoc6pulse
  1. Alex thomas
    Added an answer on January 21, 2023 at 10:31 am

    Hello, By default, all GPIO pins start out at reset as Analog_HiZ. This means the pin though configured at initialization as a draw-down thing inactive low launches life floating until the boot initialization is complete. still, also I suggest an average worth resistor( 100K?) drag-down to GND If thRead more

    Hello,

    By default, all GPIO pins start out at reset as Analog_HiZ. This means the pin though configured at initialization as a draw-down thing inactive low launches life floating until the boot initialization is complete.

    still, also I suggest an average worth resistor( 100K?) drag-down to GND If this is your project case.

    Thank You

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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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Anonymous
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Anonymous
Asked: January 4, 2023In: Microcontroller

Renesas Flash Programming in RA2L1

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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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motobuys
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motobuys
Asked: December 29, 2022In: Microcontroller

How Activate Micro Inspector License?

  • 0

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?

  • 0

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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ashishgawade
  • 0
ashishgawade
Asked: December 22, 2022In: Microcontroller

How RA4M2 – Give Multiple Board Flashing Support?

  • 0

Dear Volt Team, We’ve some questions related to the product/ manufacturing of custom boards using RA4M2 MCU. 1. Is multiple boards flashing at a time supported? If yes, please share the documents for the tools and configuration. 2. How do we handle the ...Read more

Dear Volt Team,

We’ve some questions related to the product/ manufacturing of custom boards using RA4M2 MCU.

1. Is multiple boards flashing at a time supported? If yes, please share the documents for the tools and configuration.

2. How do we handle the MD pin in case of multiple board flashing, without manual intervention?

Regards & Thanks,

AG

Read less
boardflashingmcupinra4m2renesas
  1. vikas Nagpal
    Added an answer on December 23, 2022 at 10:45 am

    Hello Ashish, Thanks for sharing your question with Volt.Tech Engineering Community! Yes, you can program multiple devices with Renesas Flash Programmer. For Renesas Flash Programmer's latest performances from V3.05.00 or later you can create a single design and specify the serial number of each emuRead more

    Hello Ashish,

    Thanks for sharing your question with Volt.Tech Engineering Community!
    Yes, you can program multiple devices with Renesas Flash Programmer. For Renesas Flash Programmer’s latest performances from V3.05.00 or later you can create a single design and specify the serial number of each emulator( E1 emulator/ E2/ E2 Lite) in the tool option when starting RFP via command.

    You can find all the necessary tools, manuals, and documents.
    https//www.renesas.com/us/en/software-tool/renesas-flash-programmer-programming-gui#overview

    As far as it concerns the MD pin then’s the suggested connection from the RA4M2 hardware manual for JTAG, SWD, and Serial Programming


    Generally, this pin should be high in debug mode and low when programming the device( flashing).
    Then there’s a different manual for e2 programmers.

    https//www.renesas.com/document/man/e2-emulator-e2-emulator-lite-additional-document-users-manual-notes-connection-ra-devices-0
    And let us know!

    Kind Regards,
    Vikas Nagpal

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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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ashishgawade
  • 0
ashishgawade
Asked: December 14, 2022In: Microcontroller

Infineon XMC MCUs with Cortex- M23 and/ or M33 Cores?

  • 0

Helllo, The release notes for the latest update for Segger’s J- Link software had this in them (J- Link- OB- XMC4200) Added support for ARM Cortex-M23, and Cortex-M33 cores. (XMC Link) Added support for ARM Cortex-M23, and Cortex-M33 cores. Does this indicate that Infineon ...Read more

Helllo,

The release notes for the latest update for Segger’s J- Link software had this in them

(J- Link- OB- XMC4200) Added support for ARM Cortex-M23, and Cortex-M33 cores.

(XMC Link) Added support for ARM Cortex-M23, and Cortex-M33 cores.

Does this indicate that Infineon is releasing, or is about to release, XMC MCUs with Cortex-M23 or M33 cores?

Thank You

Read less
coresInfineonm23m33mcussegger's
  1. vikas Nagpal
    Added an answer on December 16, 2022 at 10:09 am

    Hi, Thanks for your interest in our products. This is just a standard process of including Arm core support to the Segger jlink tool, it doesn't specify any product or device from Infineon then. In the future, there might be a product that will use these standard cores. In similar cases, there willRead more

    Hi,

    Thanks for your interest in our products. This is just a standard process of including Arm core support to the Segger jlink tool, it doesn’t specify any product or device from Infineon then. In the future, there might be a product that will use these standard cores. In similar cases, there will be an official announcement from Infineon’s side.

    Best Regards,

    Vikas Nagpal

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vikas Nagpal
  • 0
vikas Nagpal
Asked: December 9, 2022In: Microcontroller

IWDT not working Ra6m1 MCU?

  • 0

Hi, I am using Ra6m1 MCU I’ve 2 partitions 1. Bootloader partition from 0x00000000 to 0x00010000 flash memory 2. Application partition from 0x00010000 to 0x00080000 The problem I want to use IWDT at the Application partition, I’ve started iwdt at OFS0, but it ...Read more

Hi,

I am using Ra6m1 MCU
I’ve 2 partitions

1. Bootloader partition from 0x00000000 to 0x00010000 flash memory
2. Application partition from 0x00010000 to 0x00080000

The problem I want to use IWDT at the Application partition, I’ve started iwdt at OFS0, but it doesn’t work.

Still, if I change the flash address of the Application partition to 0x00000000, IWDT works typically.

I suppose the problem relates to an option- setting memory position on flash. When I set the start address at 0x00010000( which is different from the initial address 0x00000000) = > the option- setting memory address will start from 0x00010400( according to” Renesas RA6M1 Group User’s Manual Hardware”), but the system may only read 0x00000400 so it keeps iwdt disable.

So how can I solve this problem?

Thank You

Read less
iwdtmcura6m1renesas
  1. Best Answer
    Alex thomas
    Added an answer on December 13, 2022 at 10:00 am

    Hi Son, The option-setting memory( where the 0FS0 register exists) determines the state of the MCU after a reset. So this particular address will be read to configure WDT and IWDT when the system boots. The way to change these registers is from the bootloader image, as I explained. You may find someRead more

    Hi Son,

    The option-setting memory( where the 0FS0 register exists) determines the state of the MCU after a reset. So this particular address will be read to configure WDT and IWDT when the system boots. The way to change these registers is from the bootloader image, as I explained.
    You may find some useful information about bootloader applications here.

    Let us know if you have further questions.
    Regards,
    Alex

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