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volt.tech Latest Questions

vsharma
  • 1
vsharma
Asked: February 21, 2022In: Microcontroller

Flash start address and length with Renesas RA2L1 MCU

  • 1

How to configure RA2L1 Flash Start address and length.

e2studioflashfspra2l1
  • 2 Answers
  • 0 Followers
Answer
  1. Avs Mohan
    Added an answer on February 21, 2022 at 3:50 pm

    Hi, I have attached an example project on RA2L1 for your reference done on FSP2.3.0. Please update it to latest version if incase you use this example. You would have to edit the linker script, to change the start address in Code flash of the application, however the file memory_regions.ld is an autRead more

    Hi,

    I have attached an example project on RA2L1 for your reference done on FSP2.3.0. Please update it to latest version if incase you use this example.

    You would have to edit the linker script, to change the start address in Code flash of the application, however the file memory_regions.ld is an auto-generated file so any edits are overwritten. Make a copy of memory_regions.ld and give it a different name, e.g. memory_regions_application.ld.

     

    and change the reference from “memory_regions.ld” to the name of the copy of the file you made, at the top of fsp.ld :-

     

    /*

    Linker File for Renesas FSP

    */

     

    INCLUDE memory_regions_application.ld

     

    in the file memory_regions_application.ld change the start address and size of the code flash :-

     

    FLASH_START = 0x00008000;

    FLASH_LENGTH = 0x38000;

     

    and then in the debug configuration for the application, in the “Run Commands”  at the bottom of the Startup tab set the Program counter, Initial Stack pointer and VTOR register to the moved location :-

     

    set $pc = *0x00008004

    set $sp = *0x00008000

    set {int}0xE000ED08 = 0x00008000

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sravanisandya
  • 1
sravanisandya
Asked: February 21, 2022In: Microcontroller

Renesas RH850 CS+ IDE Program Execution Issue

  • 1

In Renesas RH850 CS+ IDE , program runs when we put break point and programs do not run when break point is removed.

cccs+rh850
  • 1 Answer
  • 0 Followers
Answer
  1. subbu
    Added an answer on February 21, 2022 at 12:34 pm

    In CS+ CC IDE for RH850,when debug tool is connected click on Debug tool settings then click on Flash Options Settings ,OPBT0 as DA20FDCF and OPBT1 as FFFFFDFF for LPD-1 and OPBT0 as BA20FDCF and OPBT1 as FFFFFDFF for LPD-4 and issue is solved program executes continuously .

    In CS+ CC IDE for RH850,when debug tool is connected click on Debug tool settings then click on Flash Options Settings ,OPBT0 as DA20FDCF and OPBT1 as FFFFFDFF for LPD-1 and OPBT0 as BA20FDCF and OPBT1 as FFFFFDFF for LPD-4 and issue is solved program executes continuously .

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Techworld
  • 1
Techworld
Asked: February 21, 2022In: Microcontroller

Settings needed in Renesas RA2L1, UART to get 1Mbps speed

  • 1

What are the settings required to achieve 1Mbps speed while working on Renesas RAL21. I am working on Renesas RA2L1, 48 pin controller part#R7FA2L1A93CFL with FSP version 3.5.0. I am unable to achieve 1Mbps speed.

e2studio_fspv3.5.0ra2l1uart
  • 1 Answer
  • 0 Followers
Answer
  1. Avs Mohan
    Added an answer on February 21, 2022 at 2:41 pm

    I have attached workspace for UART done on RA2L1 and FSP v3.5.0 to set BR- 1000000. Please make sure your USB to TTL convertor supported with 1MBps speed. You need to see Baud rate modulation is enabled and set the BR to 1000000, refer below snap Please go through the HW manual of RA2L1 to check theRead more

    I have attached workspace for UART done on RA2L1 and FSP v3.5.0 to set BR- 1000000. Please make sure your USB to TTL convertor supported with 1MBps speed.

    You need to see Baud rate modulation is enabled and set the BR to 1000000, refer below snap

    Please go through the HW manual of RA2L1 to check the UART error rate calculation.

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sravanisandya
  • 0
sravanisandya
Asked: February 21, 2022In: Microcontroller

Renesas RL78 Flashing error in CS+

  • 0

In Renesas RL78 CS+ IDE while writing to the on-chip debug reserved area is prohibited(address:0x00000002). Showing (E1203124) Error while Flashing from E1 emulator.

cs+rl78
  • 1 Answer
  • 0 Followers
Answer
  1. subbu
    Added an answer on February 21, 2022 at 12:22 pm

    In Renesas CS+ IDE, Goto Code Generator(Design Tool),On-chip debug setting should be used Now Generate code and Download .

    In Renesas CS+ IDE, Goto Code Generator(Design Tool),On-chip debug setting should be used
    Now Generate code and Download .

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sravanisandya
  • 1
sravanisandya
Asked: February 21, 2022In: Microcontroller

Renesas RH850 Flashing issue in CS+IDE

  • 1

In Renesas RH850 in CS+ IDE , DCU cannot be accessed. Why is it showing Error (E1203184) while Flashing from E1 emulator even when all connections are correct.

cccs+rh850
  • 1 Answer
  • 0 Followers
Answer
  1. subbu
    Added an answer on February 21, 2022 at 12:12 pm

    Erase Microcontroller Flash area from Renesas flash programmer software and again download software from CS+ IDE issue is solved.

    Erase Microcontroller Flash area from Renesas flash programmer software and again download software from CS+ IDE issue is solved.

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sravanisandya
  • 1
sravanisandya
Asked: February 21, 2022In: Microcontroller

Renesas RL78 Data Flash Memory Watch

  • 1

How to Watch Renesas RL78 Data Flash Memory in Watch Window?

cc/cacxcs+rl78
  • 1 Answer
  • 0 Followers
Answer
  1. subbu
    Added an answer on February 21, 2022 at 11:51 am

    In Renesas CS+ IDE , Goto view ->Memory->Memory1 In that DataFlash Address mentioned in Datasheet for Ex.RL78F14, F1000 DataFlash Starting Address

    In Renesas CS+ IDE , Goto view ->Memory->Memory1 In that DataFlash Address mentioned in Datasheet for Ex.RL78F14, F1000 DataFlash Starting Address

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Sravani
  • 1
Sravani
Asked: February 16, 2022In: Microcontroller

Renesas RL78 Flashing issue in CS+CC

  • 1

Download failed[Direct Error Cause]No response from CPU. Please confirm the signal of CLOCK or RESET,WAIT and so on. Seeing(E1200416) Flashing error in Renesas CS+ IDE when all connections are correct.

cccs+
  • 1 Answer
  • 0 Followers
Answer
  1. subbu
    Added an answer on February 16, 2022 at 5:11 pm

    Un-install Renesas Emulator E1 or E2 or E20 driver and install again issue will be solved

    Un-install Renesas Emulator E1 or E2 or E20 driver and install again issue will be solved

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priyanka
  • 1
priyanka
Asked: February 16, 2022In: Microcontroller

Use of EPROM emulation library in Renesas RL78/D1

  • 1

How to use EPROM emulation library in Renesas RL78/D1 in CC compiler. I have integrated the type01 library, but was unable to use the function . Please share the application implementation code.

eprom emulation libraryrenesasrl-ccrl78/d1
  • 0 Answers
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Answer
Nick James
  • 1
Nick James
Asked: February 15, 2022In: Microcontroller

RAM initialization in Renesas RH850 F1x

  • 1
RAM initialization in Renesas RH850 F1x

What is the correct address to be set in Renesas RH850 F1x in Boot.asm GLOBAL_RAM_ADDR START address and GLOBAL_RAM_END address is set to 0 by default ?

cs+ ccram initializationrh850 f1km-s1
  • 1 Answer
  • 0 Followers
Answer
  1. Sandeep Kondhalkar
    Added an answer on February 15, 2022 at 1:15 pm

    ;----------------------------------------------------------------------------- ;hdwinit ; Specify RAM addresses suitable to your system if needed. ;----------------------------------------------------------------------------- LOCAL_RAM_ADDR .set 0xFEBE0000 ; for MCU : R7f701684 LOCAL_RAM_END .set 0xRead more

    ;—————————————————————————–
    ;hdwinit
    ; Specify RAM addresses suitable to your system if needed.
    ;—————————————————————————–
    LOCAL_RAM_ADDR .set 0xFEBE0000 ; for MCU : R7f701684
    LOCAL_RAM_END .set 0xFEBF7FFF ; for MCU : R7f701684
    RETENTION_RAM_ADDR .set 0xFEBF8000 ; for MCU : R7f701684/R7f701690 ; 0xFEBE0000
    RETENTION_RAM_END .set 0xFEBFFFFF ; for MCU : R7f701684/R7f701690 ; 0xFEBF7FFF

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Arjun B
  • 1
Arjun B
Asked: February 15, 2022In: Microcontroller

Renesas RA6M4 MCU interfacing with touchscreen.

  • 1

How can I interface touchscreen with Renesas RA6M4 MCU.

renesas
  • 1 Answer
  • 0 Followers
Answer
  1. vsharma
    Added an answer on August 1, 2022 at 5:08 pm

    The CapTouch driver in the FSP is for the Capacitive Touch Sensing Unit peripheral (CTSU) built into the RA MCU devices. You will need to build the driver for the the external touch screen chip using the basic drivers the FSP provides (e.g. I2C, SPI external IRQ).

    The CapTouch driver in the FSP is for the Capacitive Touch Sensing Unit peripheral (CTSU) built into the RA MCU devices.

    You will need to build the driver for the the external touch screen chip using the basic drivers the FSP provides (e.g. I2C, SPI external IRQ).

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