MB91401

Prelminary

2004.11.12

 

 

Address

 

 

 

Register

 

 

 

Block

 

 

 

 

 

 

 

 

+ 0

 

+ 1

 

+ 2

 

+

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0000H

 

FIFO0out[R]

 

 

FIFO0in[W]

 

 

XXXXXXXX-XXXXXXXX

 

XXXXXXXX-XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

0540_0004H

 

FIFO1[R]

 

 

FIFO2[W]

 

 

XXXXXXXX-XXXXXXXX

 

XXXXXXXX-XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

0540_0008H

 

FIFO3[W]

 

 

 

 

XXXXXXXX-XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_000CH

 

 

 

(Reserved)

 

 

 

 

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_001FH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0020H

 

 

 

CONT1[R/W]

 

 

 

 

XXXXX0XX-XXX00000

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0024H

 

CONT2[R/W]

 

 

CONT3[R/W]

 

 

XXXXXXXX_XXX00000

 

XXXXXXXX_XXX00000

 

 

 

 

 

 

 

 

 

 

 

 

0540_0028H

 

CONT4[R/W]

 

 

CONT5[R/W]

 

 

XXXXXXXX_XXX00000

 

XXXXXXXX_XXXX00XX

 

 

 

USB

 

 

 

 

 

 

 

 

 

0540_002CH

 

CONT6[R/W]

 

 

CONT7[R/W]

 

 

 

 

 

 

XXXXXXXX_XXXX00XX

 

XXXXXXXX_XXX00000

 

 

 

 

 

 

 

 

 

 

 

 

0540_0030H

 

CONT8[R/W]

 

 

CONT9[R/W]

 

 

XXXXXXXX_XXX00000

 

XXXXXXXX_0XXX0000

 

 

 

 

 

 

 

 

 

 

 

 

0540_0034H

 

CONT10[R/W]

 

 

TTSIZE[R/W]

 

 

XXXX0000_X000000X

 

00010001-00010001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0038H

 

TRSIZE[R/W]

 

 

 

 

00010001-00010001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_003CH

 

 

 

(Reserved)

 

 

 

 

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_003FH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0040H

 

RSIZE0[R]

 

 

 

 

XXXXXXXX-XXXX0000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0044H

 

RSIZE1[R]

 

 

 

 

XXXXXXXX-X0000000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0048H

 

 

 

(Reserved)

 

 

 

 

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_005FH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0060H

 

 

 

ST1[R/W]

 

USB

 

 

XXXXXX00-00000000

 

 

 

 

 

 

 

 

 

 

 

 

 

0540_0064H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Continued)

42

Page 42
Image 42
Fujitsu MB91401 Xxxxxxxx-Xxxxxxxx, FIFO1R FIFO2W XXXXXXXX-XXXXXXXX, FIFO3W XXXXXXXX-XXXXXXXX, CONT1R/W XXXXX0XX-XXX00000

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.