In-System serial Programmer 16LX and FR FLASH MCU.


ISP-MB9X is an ISP (In-System-Programming) tool for programming the internal flash memory of Fujitsu microcontrollers of MB90F/MB91F family (16LX/FR).


  • Command line interface;
  • Supports hardware RESET and SET MODE PINS (if use special schematic. Sample);
  • Supports binary and S-records input files;
  • Programs MCU MB90 family with main clock 3..5 MHz (see details);
  • Supports loading binary file in RAM and launching it;
  • OS: Windows NT/2000/XP, Linux;


  • FLASH MCU Programmer 16LX, for MB90Fxxx
  • FLASH MCU Programmer FR, for MB91Fxxx


Fujitsu Utilities page with FLASH MCU Programmer 16LX and FR.