MB91121系列硬件手册

The MB91121 was developed as a product belonging to the FR30 that offers 32-bit single-chip
microcontrollers with CPUs of a new RISC architecture. MB91121 is based on optimum specifications for
internal uses requiring high CPU processing power.
This manual describes the functions and operations of MB91121 for engineers who design products using
the microcontrollers of the series.
Corporate names revised in the documents

The Fujitsu Limited reorganized its LSI business into a wholly owned subsidiary, the Fujitsu
Microelectronics Limited on March 21, 2008.
The corporate names “Fujitsu” and “Fujitsu Limited” described all in this document have been
revised to the “Fujitsu Microelectronics Limited”. Thank you for your cooperation and understanding
this notice.
Moreover, there are no changes in the related documents other than corporate names revised.
Customers are advised to consult with sales representatives before ordering.


March 21, 2008
Fujitsu Microelectronics Limited
FUJITSU SEMICONDUCTOR