Prelminary

MB91401

2004.11.12

Address

 

 

Register

 

 

 

Block

 

 

 

 

 

 

 

+ 0

 

+ 1

 

+ 2

 

+ 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0000H

 

 

EXIFRXDR [R]

 

 

 

 

 

00000000-00000000 00000000-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0004H

 

 

EXIFTXDR [W]

 

 

 

 

 

00000000-00000000 00000000-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0008H

EXIFRXR[R]

 

 

 

00000000-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_000CH

EXIFTXR[W]

 

 

 

00000000-00000000

 

 

 

 

 

 

External IF

 

 

 

 

 

 

 

 

0114_0010H

EXIFCR[W]

 

 

 

 

 

00000000-0XXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0014H

EXIFSR[R]

 

 

 

00000000-00XXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0018H

 

 

EXIFRXSR [R]

 

 

 

 

 

00000000-00000000 00000000-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_001CH

 

 

EXIFTXSR [R]

 

 

 

 

 

00000000-00000000 00000000-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0114_0020H

 

 

PIOCR[R/W]

 

 

 

00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPIO

 

 

 

PIODR[R/W]

0114_0024H

 

 

Connecting

 

 

 

 

 

 

destination

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Address

 

 

Register

 

 

 

Block

 

 

 

 

 

 

 

+ 0

 

+ 1

 

+ 2

 

+ 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0500_03E0H

IR[R/W]

 

DR[R/W]

 

(Reserved)

 

RR[R/W]

 

00000000

 

10000011

 

 

00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0501_0000H

 

 

AMR

 

 

 

 

to

 

 

 

 

 

Compact FLASH

 

 

(Attribute Memory Area : window 0)

 

0501_07FFH

 

 

 

IF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0501_1000H

 

 

CMR

 

 

 

 

to

 

 

 

 

 

 

 

 

(Common Memory Area : window 1)

 

 

0501_17FFH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

Page 41
Image 41
Fujitsu MB91401 Exifrxdr R, Exiftxdr W, Exifrxrr, Exiftxrw, Exifcrw, Exifsrr, Exifrxsr R, Exiftxsr R, Piocrr/W, Gpio, Amr

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.