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Home/renesas rh850

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BRAHIM
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BRAHIM
Asked: May 19, 2022In: Interface ICs & Transceivers

MSPI in Renesas Rh850

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I found MSPI in MCU of Renesas (Multi-channel SPI ). What does it mean? Does it mean Multi-slave and what is the role of these channels if each channel had one chip select.

I found MSPI in MCU of Renesas (Multi-channel SPI ). What does it mean?

Does it mean Multi-slave and what is the role of these channels if each channel had one chip select.

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mcuMSPIMULTI-CHANNELMulti-slaverenesasrenesas rh850spi
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Answer
vikas Nagpal
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vikas Nagpal
Asked: May 12, 2022In: Microcontroller

Increasing CAN buffers in Renesas R5F10DPJ384Kb

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For one of our new project in Renesas R5F10DPJ384Kb microcontroller we want to increase CAN buffers. This microcontroller having two CAN channels. Can we short two CAN channels so that we can increase no. of buffers?

For one of our new project in Renesas R5F10DPJ384Kb microcontroller we want to increase CAN buffers. This microcontroller having two CAN channels. Can we short two CAN channels so that we can increase no. of buffers?

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CAN BuffersCAN ChannelsrenesasRenesas R5F10DPJ384Kbrenesas rh850
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vikas Nagpal
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vikas Nagpal
Asked: April 25, 2022In: Microcontroller

Renesas RH850, UART, DMA, 1.5Mbps, TX&RX can not work

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Renesas RH850, UART, DMA, 1.5Mbps, TX&RX are used together. The receiver will not work after receiving several frames of data. It must be re-initialized, but it will stop working soon, but TX or RX can be used alone.

Renesas RH850, UART, DMA, 1.5Mbps, TX&RX are used together. The receiver will not work after receiving several frames of data. It must be re-initialized, but it will stop working soon, but TX or RX can be used alone.

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dmarenesas rh850rh850tx&rxuart
  1. [Deleted User]
    Added an answer on April 29, 2022 at 12:43 pm

    I guess you still need to include more details in order to fix your issue. However, I suggest you submit a ticket to Renesas Technical Support regarding your issue as information regarding automotive devices is not really shared in public. Also, please use your company email when submitting ticketsRead more

    I guess you still need to include more details in order to fix your issue. However, I suggest you submit a ticket to Renesas Technical Support regarding your issue as information regarding automotive devices is not really shared in public. Also, please use your company email when submitting tickets to Renesas Technical Support.

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dev krishnan
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dev krishnan
Asked: April 15, 2022In: Microcontroller

PWM generation in Renesas RH850/F1X

  • 1

I want to use Renesas RH850/F1X series to generate PWM frequency in the range of 25KHz to 50KHz for my application. As per RH850_PWm pdf we can generate max PWM frequency upto 4880Hz with 40MHz. How can I achieve my ...Read more

I want to use Renesas RH850/F1X series to generate PWM frequency in the range of 25KHz to 50KHz for my application. As per RH850_PWm pdf we can generate max PWM frequency upto 4880Hz with 40MHz. How can I achieve my expected PWM frequency when RH850/F1X series support upto 240MHz clock frequency.

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25KHzto50KHzmicrocontrollerpwm frequencyrenesasRenesas Microcontrollerrenesas rh850rh850/f1x
  1. Techworld
    Added an answer on April 25, 2022 at 4:19 pm

    The PWM module is not only one way to generate PWM signals. Its main purpose is to generate PWM for external devices like LEDs, where low frequencies are acceptable. PWM signals can even be generated using standard timers like TAUx. E.g. TAUDn can run up to 80 MHz (depending on the desired RH850 MCURead more

    The PWM module is not only one way to generate PWM signals. Its main purpose is to generate PWM for external devices like LEDs, where low frequencies are acceptable. PWM signals can even be generated using standard timers like TAUx. E.g. TAUDn can run up to 80 MHz (depending on the desired RH850 MCU). The period and pulse width can be adjusted individually. Using an 80 MHz clock supply limit the bit width for the PWM to 10 Bit(80MHz/10Bit=78kHz).

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  • 1 Answer
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nidhi singh
  • 1
nidhi singh
Asked: April 13, 2022In: Microcontroller

Renesas RH850/P1x Clock Configuration & Control Register Details

  • 1

In reference manual of Renesas RH850/P1x microcontroller I want to know more about Clock Configuration for this device. CKSCnCTL — Clock Selection Control Register n (n = 0, 1) CKSCnCTL— Clock Selection Status Register n (n = 0, 1) CLKDnDIV ...Read more

In reference manual of Renesas RH850/P1x microcontroller I want to know more about Clock Configuration for this device. CKSCnCTL — Clock Selection Control Register n (n = 0, 1) CKSCnCTL— Clock Selection Status Register n (n = 0, 1) CLKDnDIV — Clock Division Register n (n = 0, 1) CLKDnSTAT — Clock Status Register n (n = 0, 1). Here two control registers 0 and 1 (CKSC0CTL and CKSC1CTL) are available. So, which one I have to select to configure for clock selection and when should I use CKSC0CTL or CKSC1CTL.

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clock selectioncontrol registerrenesasrenesas rh850rh850
  1. [Deleted User]
    Added an answer on April 18, 2022 at 3:42 pm

    Please take a glance to the diagram 12.1 in the User's Manual: There are two clock output pins available (0 & 1). Therefore, also two sets of registers are available.

    Please take a glance to the diagram 12.1 in the User’s Manual: There are two clock output pins available (0 & 1). Therefore, also two sets of registers are available.

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