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E20 Emulator (With Programming Function)

Programmer (Unit/SW)

Overview

The E20 emulator is also available as a flash memory programmer with flash programming software (Renesas Flash Programmer or Flash Development Toolkit).

Additional Details

For Using RX, RL78, or RH850

System Configuration (Programming With Renesas Flash Programmer V3)

RFP_config_e20.png

Note: When using with the on-chip debugging emulators, conversion adapter is required depending on the number of pins on the target board.

E20 Emulator

Product information
Documentation & Downloads

Renesas Flash Programmer V3 (Programming GUI)

Product information
Documentation & Downloads

Target Devices

See the following list to find MCUs available in programming with the E20 emulator Lite and the Renesas Flash Programmer V3.
List of MCUs supported by Renesas Flash Programmer V3 (PDF | English, 日本語)

Support

Support Communities

  1. Renesas Programming Tool with E2LITE

    Hi, I'm having a problem with Renesas Programming tools with E2LITE. When I use the e2studio (ver 2022-07) and try to debug my application the connection with the target is established: Starting server with the following options: Raw options : C:\Users\m.scardigli\.eclipse\com.renesas.platform_1257723937 ...

    Sep 1, 2022
  2. Can not burn code to test board with RH850 F1KM-S1.

    Hello Renesas engineer！ I have a problem with renesas mcu,can not burn code to test board with RH850 F1KM-S1. This test board is used for the first time. Security ID:32bit F Voltage：12V Crystal oscillator：8M Reset:3.3V I tried to turn the Voltage to 12V ...

    Jun 30, 2022
  3. Issue with debugging RL78/G10 R5F10Y16 with E2 Lite

    I’m having an issue with two E2 Emulator Lite units while programming with the RL78/G10 (R5F10Y16) using TOOL0 (1-wire).  Setup My Target board is a custom PCB, this board can be flashed with the Flash Tool. Using E2 Studio Version: 2025-12 (25.12.0) Build ...

    May 1, 2026
View All Results from Support Communities (13)

Knowledge Base

  1. Hot Plug-in Function (PG-FP6/PG-FP5/RFP)

    No. PG-FP6/PG-FP5, or RFP in combination with an emulator (E2, E2 Lite, E1, or E20) does not support the hot plug-in function.Turn on the power switch after connecting the target cable as instructed in the manuals below. PG-FP6 Flash Memory Programmer User’s ...

    Jul 29, 2020
  2. RX program runs via emulator but doesn't work without it

    ... user system as a stand-alone unit. When checking the operation of a program on a user system as a stand-alone unit, i.e. without the emulator being connected to the target board, be sure to use dedicated programming software, use the [Program mode to flash memory] if you ...

    May 14, 2024
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