DISCONTINUED SOFTWARE NOTICE - This software / tool has been discontinued.
Software support will continue in most cases. Please contact Renesas support with any questions.

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. [Learn More]

Documentation & Downloads


Item Description
Applicable emulator E100
Supported MCUs H8SX/1700 Series H8SX/1720 Group MCUs
Applicable MCU mode Single-chip mode, Expanded mode with on-chip ROM
Maximum ROM/RAM capacity (1)  Internal flash ROM : 1MB
(2)  Internal RAM : 64KB
(3)  Internal EEPROM : 32KB
Emulation memory 4MB (allocates to 4 blocks by 1MB)
Maximum operating frequency   80MHz
Power supply voltage : 3.0--3.6[V], 4.5--5.5[V]
Emulator power supply Supplied from the DC power of the emulator
Overseas standards   ・European Standards: EN 55022 Class A, EN 55024
  ・US FCC Standard: FCC part 15 Class A


  • MCU unit (R0E417250MCU00)
  • Flexible cable (Mounted on the MCU unit)
  • 8MHz oscillator module (Mounted on the MCU unit)
  • CD-ROM (H8SX E100 emulator software) 
    - H8SX E100 emulator debugger (Including High-performance Embedded Workshop)
    - Auto-update utility
    - User's manual