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R8C/26

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16-bit Microcontrollers with R8C CPU Core (Non Promotion)

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Overview

The R8C/26 Group is supported only for customers who have already adopted these products. The RL78/G14 Group is recommended for new designs.

These MCUs are fabricated using a high-performance silicon gate CMOS process, embedding the R8C/Tiny Series CPU core, and are packaged in a 52-pin molded-plastic LQFP or a 64-pin molded-plastic FLGA. It implements sophisticated instructions for a high level of instruction efficiency. With 1Mb of address space, they are capable of executing instructions at high speed. Furthermore, the R8C/25 Group has on-chip data flash (1KB x 2 blocks). The difference between the R8C/24 Group and R8C/25 Group is only the presence or absence of data flash. Their peripheral functions are the same.

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Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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Resources

Support Communities

  1. Flashing R8C/26 using Mode pin

    Hi good day! I am facing with problems trying to flash the R5F21264 uC, I need to use the following interface using the E8a emulator: I was trying with High performance embedded workshop application, but no success, I get this error: And using the Flash development toolkit, I get the ...

    Jun 3, 2023
  2. R8C/26 programming through MODE pin || Boot failed issue

    Hi Good day!   I hope you can support me with this issue.   I am trying to flash a R5F21264JFP through the mode pin, this is my schematic. I know that it is possible using E8a emulator, I have read the documentation “E8a Emulator Additional Document for User's Manual R0E00008AKCE00EP19 ...

    Jun 6, 2023
  3. Two more R8C projects...

    Two more R8C projects...

    Nov 30, 2007
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FAQs

  1. (R8C) Are there any hardware precautions for accurate A/D conversion?

    In order to perform A/D conversion, it is necessary to fully charge the internal capacitor, but if the impedance of the A/D conversion target is high, the discharge and charge will take time and the conversion value will not be accurate. For correct A/D ...

    Jun 19, 2006
  2. Do I need to rewrite the boot ROM area using MI6C Flash Starter?

    Rewriting of the boot ROM area is unnecessary. This is because M3A-0806 performs programming using the standard boot program which was programmed into the boot ROM area when it was shipped. (#104963)

    Mar 1, 2005
  3. Please tell me how to set the option function register in detail.

    There are three methods for setting the option function select register using the C complier package M3T-NC30WA: Using the load module converter (lmc30 -R8C) -OFSREGX (or -PROTECTX) option Using assembler directive command .OFSREG (or .PROTECT) By assembly programming The load module converter option and directive command depend on the ...

    Mar 13, 2009
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