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Fujitsu Introduces Two New 16-Bit CAN Microcontrollers
for Automotive Applications

- Package Size Reduced by 30% -

MB90387 Tokyo, September 6, 2001--- Fujitsu Limited today introduced two new products in its F2MC® (Fujitsu Flexible Microcontroller) series of microcontrollers for system control applications. The two new models (MB90F387 and MB90387) are 16-bit microcontrollers designed for a wide range of automobile controls, including those for side mirrors and power seats, with the exception only of drive related controls.
The new products meet the CAN*1 (Controller Area Network) standard of automobile-based LANs and are available in 48-pin LQFP-48*2 packages-Fujitsu's smallest package for 16-bit microcontrollers-achieving a 30% smaller package size (7mm x 7mm) than previous models.

Today's automobiles are equipped with a wide variety of electronic control circuits for control and display devices. With an automobile-based LAN, the complex controls for these electronic circuits are able to operate efficiently. CAN, which features both speed and reliability, is the most widely-used standard for automobile-based LANs. Fujitsu has been developing CAN microcontrollers since 1996, and has been selling a variety of CAN microcontrollers worldwide since 1998, particularly in Europe.

Fujitsu will continue to reduce the number of parts and size of its F2MC series of microcontrollers to make the task of designing systems easier for its customers. The company also plans to enhance its product line-up for such fields as automobiles and digital AV/car audio.

Sample Prices
MB90F387 (with flash memory)Yen 1,000
MB90387 (with Mask ROM)Yen 600
Sample Availability
Beginning January, 2002.
Sales Target
500,000 units per month (for the two models combined).

CMOS Process0.35 micron CMOS technology
Number of Basic Instructions340
Minimum Instruction Completion Time62.5ns/4MHz original oscillation
magnitude 4 (using PLL clock magnitudes)
Memory Capacity
      MB90F38764K bytes Flash memory/2K bytes RAM
      MB9038764K bytes Mask ROM/2K bytes RAM
Power Voltage for Operation3.5 - 5.5V
Operating Temperatures-40 - 105 C
I/O Ports34 (maximum, for models with sub-clocks)
36 (maximum, models without sub-clocks)
A/D Converter*38 channel
UART*41 channel
PackagePlastic LQFP-48 pin


*1 CAN (Controller Area Network)
A LAN standard developed for the automobile by the German company Robert Bosch GmbH.
*2 LQFP (Low-profile Quad Flat Package)
A type of surface mounting package with 0.5mm lead pitches.
*3 A/D Converter (Analog Digital Converter)
A circuit that converts analog signals into digital signals.
*4 UART (Universal Asynchronous Receiver Transmitter)
Device which converts data from a parallel to a serial format and vice-versa.
F2MC is a registered trademark of Fujitsu Limited. All company/product names mentioned may be trademarks or registered trademarks of their respective holders and are used for identification purpose only.
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About Fujitsu
Fujitsu is a leading provider of Internet-focused information technology solutions for the global marketplace. Its pace-setting technologies, best-in-class computing and telecommunications platforms, and worldwide corps of systems and services experts make it uniquely positioned to unleash the infinite possibilities of the Internet to help its customers succeed. Headquartered in Tokyo, Fujitsu Limited (TSE:6702) reported consolidated revenues of 5.48 trillion yen for the fiscal year ended March 31, 2001.
Internet: http://www.fujitsu.com/

Press contacts: Customer Contacts:
 Chiaki Kuwahara, Nick Hayashi
 Fujitsu Limited, Public Relations
 Tel: +81-3-3215-5259 (Tokyo)
 Fax: +81-3-3216-9365
 E-mail: pr@fujitsu.com
 Fujitsu Limited
 Electronic Devices Group
 System Micro Div.
 Applications Engineering Dept.
 Tel: +81-42-532-1397
 e-mail: edevice@fujitsu.com

Please understand that product prices, specifications and other details are current on the day of issue of the press release, however, may change thereafter without notice.
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