Fujitsu MB91401 manual Japan, North and South America, Europe, Asia Pacific, Korea

Page 72

MB91401

Prelminary

2004.11.12

 

 

FUJITSU LIMITED

For further information please contact:

Japan

FUJITSU LIMITED

Marketing Division

Electronic Devices

Shinjuku Dai-Ichi Seimei Bldg. 7-1,

Nishishinjuku 2-chome, Shinjuku-ku,

Tokyo 163-0721, Japan

Tel: +81-3-5322-3353

Fax: +81-3-5322-3386

http://edevice.fujitsu.com/

North and South America

FUJITSU MICROELECTRONICS AMERICA, INC.

1250 E. Arques Avenue, M/S 333

Sunnyvale, CA 94088-3470, U.S.A.

Tel: +1-408-737-5600

Fax: +1-408-737-5999

http://www.fma.fujitsu.com/

Europe

FUJITSU MICROELECTRONICS EUROPE GmbH

Am Siebenstein 6-10,

D-63303 Dreieich-Buchschlag,

Germany

Tel: +49-6103-690-0

Fax: +49-6103-690-122

http://www.fme.fujitsu.com/

Asia Pacific

FUJITSU MICROELECTRONICS ASIA PTE LTD.

#05-08, 151 Lorong Chuan,

New Tech Park,

Singapore 556741

Tel: +65-6281-0770

Fax: +65-6281-0220

http://www.fmal.fujitsu.com/

Korea

FUJITSU MICROELECTRONICS KOREA LTD.

1702 KOSMO TOWER, 1002 Daechi-Dong,

Kangnam-Gu,Seoul 135-280

Korea

Tel: +82-2-3484-7100

Fax: +82-2-3484-7111

http://www.fmk.fujitsu.com/

2004 FUJITSU LIMITED Printed in Japan

All Rights Reserved.

The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering.

The information, such as descriptions of function and application circuit examples, in this document are presented solely for the purpose of reference to show examples of operations and uses of Fujitsu semiconductor device; Fujitsu does not warrant proper operation of the device with respect to use based on such information. When you develop equipment incorporating the device based on such information, you must assume any responsibility arising out of such use of the information. Fujitsu assumes no liability for any damages whatsoever arising out of the use of the information.

Any information in this document, including descriptions of function and schematic diagrams, shall not be construed as license of the use or exercise of any intellectual property right, such as patent right or copyright, or any other right of Fujitsu or any third party or does Fujitsu warrant non-infringement of any third-party’s intellectual property right or other right by using such information. Fujitsu assumes no liability for any infringement of the intellectual property rights or other rights of third parties which would result from the use of information contained herein.

The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for use accompanying fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon system), or (2) for use requiring extremely high reliability (i.e., submersible repeater and artificial satellite).

Please note that Fujitsu will not be liable against you and/or any third party for any claims or damages arising in connection with above-mentioned uses of the products.

Any semiconductor devices have an inherent chance of failure. You must protect against injury, damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy, fire protection, and prevention of over-current levels and other abnormal operating conditions.

If any products described in this document represent goods or technologies subject to certain restrictions on export under the Foreign Exchange and Foreign Trade Law of Japan, the prior authorization by Japanese government will be required for export of those products from Japan.

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Contents Features DescriptionPackage Packet filtering function General Purpose IO GpioMemory Interface USB Function ControllerCard Interface CompactFlash I2C InterfacePIN Assignment Index E F G H J K L M N P R T U V WPIN Number Table PIN Description GNDPin name Pin no Function/applicationBreaki ICS2ICS1 OUT ICS0SIN1 SIN0SOUT1 SOUT0MB91401 Rxclk RxerRxdv RxcrsExcsx EXAEXD15 EXD14UDP UDMUsbins UCLK48CFD15 CFD14 CFD13 CFD12 CFD11CFD10 CFD9 CFD8MB91401 SDA SCLPllvdd PllvssCircuit Type Type Circuit RemarksUSB I/O Circuit Remarks Separation of power supply pattern Handling DevicesPreventing Latch-up Treatment of the unused pins Treatment of Open pinsTreatment of output pins About power supply pinsConnected Specification of MB91401 and ICE Attached cable Part number RemarksSignal line name Wiring regulations Evaluation MCU terminal name Pin treatmentRST UV CCPin name Function OscebCircuit constants Description Bit data bus Holding request withdrawal demand function OFFTreatment of Unused Input Pins About Mode pins MDI2 to MDI0About watch dog timer Operation at start-upAndh AndbORH ORBDMA Trace mode Step execution of Reti instructionOperand break Interrupt handler to NMI request toolBlock Diagram Authentication macroMemory Space General Purpose Registers Mode Settings Mode PinsMode Register Modr RegisterBit1, bit0 WTH1, WTH0 Bus width setting bits Operation modeFunction Remarks MAP Address Register BlockDRCL0 W UTIMC0 R/W TIMER0 DRCL1 W UTIMC1 R/W TIMER1SIDR0 R/W UART0Ichrc R/W BSD0 XxxxxxxxBSD1 Xxxxxxxx BsdcAddress Register Block DMASA0 Xxxxxxxx DMADA0 XxxxxxxxDMASA1 Xxxxxxxx DMADA1 XxxxxxxxBsrr BCRR/W CCRR/W ADRR/W 1XXXXXXXDARR/W BC2RR/W Xxxxxxxx 010FFFFF HSmistatusr SIM if Xxxxxxxx Smiintenable SMICMDR/WSmicmdst 00XXXXXX SIM ifExifrxdr R Exiftxdr WExifrxrr ExiftxrwXXXXXXXX-XXXXXXXX FIFO1R FIFO2W XXXXXXXX-XXXXXXXXFIFO3W XXXXXXXX-XXXXXXXX CONT1R/W XXXXX0XX-XXX00000XXXXXXXX-X0000000 XXXXXXXX-XXX00000 Interrupt Vector Interrupt Address of TBR Interrupt source OffsetDefault Interrupt Address of TBR Interrupt source Offset NMI Non Maskable InterruptElectrical Characteristics Parameter Symbol Rating UnitMin ΣiolParameter Symbol Value Unit TypCfreset ParameterPin Conditions Value Unit Min Typ TCK/TRST/TMS TDI/TDOPin Conditions Value Unit Input Levels High driven Vcrs standard range VDDE/2 UsbcMclko Reset Parameter Pin ConditionsUnit Remarks Min Mclko ↑ RDX Mclko ↑RDY Mclko ↑ SCK1, SCK0 SOUT1, SOUT0SIN1, SIN0 Sclk ↑Internal shift clock mode Txen Txclk ↑ Rxdv Rxclk ↑Rxer Rxclk ↑ Reception Mdio Mdclk ↑ OUT →Parameter Symbol Pin Value Unit Remarks Min External ifWrite access USB interface Parameter Symbol Pin UDP, UDMFull-speed Buffer 10 I2C interface PclkSCL Pclk SDA PclkCard if CFCE2X, CFCE1XCFOEX, Cfiordx Parameter Symbol Value Unit Remarks Min MaxCFWEX, Cfiowrx CDWEX, CfiowrxOrdering Information Part number Package RemarksPackage Dimension Memo Japan North and South AmericaEurope Asia Pacific

MB91401 specifications

The Fujitsu MB91401 microcontroller is a versatile device designed for automotive applications, embedded systems, and industrial control. It belongs to the MB91400 series, known for its robustness and efficiency. This series integrates advanced features and technologies that cater to a wide variety of real-time applications.

One of the standout features of the MB91401 is its 32-bit RISC architecture, which operates at clock speeds up to 40 MHz. This high-performance core enables rapid processing and data handling, making it suitable for demanding applications. The microcontroller is equipped with a generous amount of Flash memory, allowing developers to store essential firmware and applications directly on the chip, enhancing reliability and reducing design complexity.

Another key characteristic is its extensive memory configuration, which includes SRAM for data storage and EEPROM for non-volatile data retention. This combination provides flexibility for developers, enabling them to tailor the memory allocation based on specific application requirements.

The MB91401 is designed with a focus on peripheral integration. It features multiple I/O ports, timer units, and A/D converters, making it an ideal choice for applications that require precise timing and analog signal processing. The analog-to-digital converters offer high resolution and fast conversion speeds, which are critical in automotive and industrial control systems where accuracy is paramount.

Safety is a critical consideration in automotive applications, and the MB91401 addresses this with built-in diagnostic features and error detection capabilities. These features help ensure that the application remains functional and safe under various operating conditions.

In terms of connectivity, the microcontroller supports various communication protocols, including CAN, UART, and SPI, facilitating seamless integration with other systems and devices. This is particularly important in automotive applications where communication between different electronic control units (ECUs) is essential for overall system functionality.

The Fujitsu MB91401 is also designed for low power consumption, making it suitable for battery-operated devices and energy-sensitive applications. Its various power-saving modes allow developers to optimize the system's performance while extending operational life.

In summary, the Fujitsu MB91401 is a powerful and flexible microcontroller that combines high-performance processing with extensive peripheral support and safety features. Its robust architecture and energy-efficient design make it an excellent choice for a wide range of automotive and industrial applications, promoting both reliability and innovation in embedded system development.
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