The MCU unit is a MCU-dependent hardware tool for the E100 emulator. Connecting it to the E100 emulator main unit allows you to configure a debugging environment for your target system. It is easy for the user to replace.




Applicable emulator E100
Supported MCUs RS-4 Series
Applicable MCU mode Single-chip mode
Maximum ROM/RAM capacity (1) Internal ROM : 2MB
(2) Internal RAM : 128KB
(3) Internal EEPROM : 2MB
Maximum operating frequency   Power supply voltage : 1.62--5.5[V] 33MHz
Emulator power supply Supplied from the DC power of the emulator




  • MCU unit (R0ESRS400MCU00)
  • Flexible cable (Mounted on the MCU unit)
  • CD-ROM (RS-4 E100 emulator software) 
    - RS-4 E100 emulator debugger (Including High-performance Embedded Workshop)
    - Auto-update utility
    - User's manual

Information Supporting Development Tools

Title Description
My Renesas Create a My Renesas account to use our tool download services, receive e-newsletter/update notifications, and take advantage of our other services.
e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
Forum A forum and community site to share technical information, questions and opinions with others who use Renesas MCU's.
Tool News Tool release information and other important information.
Operating Environment Information on system requirements and operating environment for the latest version of tools.
Tool Environmental Information Information on RoHS compliance of tools.
Info on Discontinued Products A list of Renesas software and tools that have been discontinued and are no longer being offered for new projects.