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  6. FlexRay MCU

FlexRay MCU

  • Technical Explanations FlexRay
  • FlexRay ASSP

Product Information

Fujitsu launched the MB91F465XA, next-generation microcontroller with embedded FlexRay™ interface in January, 2007. This MCU enables implementation of the FlexRay protocol in a single-chip solution without the need for companion devices.
Fujitsu is growing the family of FlexRay MCUs, for the F²MC-16FX Family in addition to the FR Family.


Roadmap of the Fujitsu 32-bit microcontroller FR series

Fujitsu Microcontroller CPU Road Map

MB91F465XA (FR60) series block diagram

MB91F465XA (FR60) series block diagram

Fujitsu's Approach

  • Technical explanations of FlexRay
  • FlexRay Development Environment (Starterkit)



Fujitsu acquired a license to use FlexRay from Bosch in November 2004. We have introduced the FlexRay Starter Kit (MB2005-01) that uses FlexRay IP and introduced ASSP that contains FlexRay IP in September 2005. In addition, we have offered 32-bit microcontrollers equipped with FlexRay IP in the Fujitsu FR core since 2006.

Fujitsu's Approach to FlexRay

Fujitsu's Approach to FlexRay

32-bit MCU with FlexRay Controllers

Fujitsu offers the 32-bit MCU MB91F465XA with embedded FlexRay controllers in the Fujitsu FR core. This product supports the FlexRay protocol version 2.1.

MB91F465XA

MB91F465XA
Main specification: LIN-UART 3ch, CAN 2ch, FlexRay 2 ch (A ch/B ch)
Flash 512KB, RAM 32KB, BootROM4KB, 5V single power supply
Package: QFP-100

FlexRay ASSP Solution

ASSPs for FlexRay communication controllers. ASSP Flex Ray controller supports a stand-alone FlexRay system and the interface to different MCUs. The MB88121 and MB88121A/B support the FlexRay protocol ver. 2.0 and ver. 2.1 respectively.

MB88121B
Input clock: 4,5,8,10MHz
Internal clock: 80MHz
Operating voltage: 5V single supply
Host I/F: Parallel I/F (Max frequency: 33MHz)
Serial I/F (SPI: Max frequency: 8MHz)
Package: LQFP-64

FlexRay evaluation kit

Fujitsu offers the FlexRay starter kit for FPGA through the evalution kit for 32-bit FlexRay MCU on a timely basis for customers' development. Please look at the development environment for more details.


CAN-FlexRay Gateway solution

The CAN-FlexRay Gateway solution enhances the data communication technology handling with different type of data such as event triggers and time triggers, based on the knowledge of carrier IP network configuration.

CAN-FlexRay Gateway solution

AUTOSAR solution

Fujitsu offers the software platform compliant with the AUTOSAR standard. The AUTOSAR solution helps us develop next-generation automotive by-wire applications with MB91460 series.


Fujitsu Partnership Chain

Fujitsu Microelectronics Ltd. and Fujitsu Microelectronic solutions Ltd. intend to enhance the partnership chain and to provide high-reliable total solutions of FlexRay.


Fujitsu Partnership Chain AMS TZM Elektrobit TZM Elektrobit

  • Links to Partners' website
    • AMS: austriamicrosystems AG
    • TZM: TZ Mikroelektronik
    • ELEKTROBIT
  • Links to the Fujitsu's worldwide associated companies
    • FME: FUJITSU MICROELECTRONICS EUROPE GmbH
    • FMA: FUJITSU MICROELECTRONICS AMERICA, INC