M3A-HS71 is a CPU board equipped with SH7670 (SH-2A core, operating at 200MHz, 256-pin version).

Top view of component side

Top view of solder side


  • Comes standard with USB and LAN connectors.
  • Comes standard with MPEG transport stream interface (STIF) connector, MIL-STD.
  • Easy for evaluation of on-chip peripheral I/O s and system extension   All SH7670 I/O ports are connected to extension     connector s (*1) to enable to develop the extension board for variety of use.
  • H-UDI connector (14-pin), which can be connected with E10A-USB (*2) is mounted on board.  

*1:Connectors except USB, LAN and STIF are through-hole.
*2: Optional item



Item Specification
  • RJ-45 LAN connector built-in pulse transformer (8-pin, RJ-45)
  • Implements PHY-LSI RTL8201CP-VD-LF of Realtek
  • USB connector: Comes with A-type socket
  • VBUS power controlled
Connectors /through-hole
  • H-UDI connector (14-pin)
  • Serial port connector (RS-232C, 9-pin, D-sub)
  • 20-pin MIL-STD connector
     SH7670 extension connector: 4pcs, SH7670 STIF connector: 2pcs
  • 40-pin MIL-STD connector
     SH7670 extension connector: 2pcs
  • Power LED (1 pc.)
  • User LED (4pcs.)
  • Ethernet communication status LED (5pcs.)
  • Reset switch, NMI switch, IRQ0 switch, test switch
  • DIP switch for DIP mode setting (1pc, 5 poles)
  • User DIP switch (1pc, 4poles)
  • PHY controller operation mode switch (1pc, 6poles)
  • Dimensions: 145mm x 150mm (Projection not included)
  • CPU mounting: 4-layer, double-side mounted
  • Board configuration: 1 board
  • CD-ROM
    - User’s Manual (Circuit diagram included)
    - Installation Manual
    - Sample program (setting example of bus controller, Ethernet sample program, USB sample program et al.)
  • Release Note
  • Power cable
    Note: Following items should be prepared by user. (Not included in this product)
    - 5V DC power supply (1.5A min.)
    - SuperH RISC engine C/C++ compiler package
    - E10A-USB emulator


Power supply and development tool are not included in this product. Following items should be prepared by user before using this CPU board.
- 5V DC Power supply (1.5A min.)
- SuperH RISC engine C/C++ compiler package
- E10A-USB emulator

Below you will find information to support the development of your application.


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.