MB91401

 

 

 

 

 

Prelminary

 

 

 

 

 

2004.11.12

 

 

 

 

 

 

 

 

 

 

 

 

(Continued)

 

 

 

 

 

 

 

 

 

Address

 

 

Register

 

 

Block

 

 

 

 

 

 

 

 

 

 

+ 0

+ 1

 

+ 2

 

+ 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_067CH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_0680H

CSER [R/W]

CHER [R/W]

 

 

TCR [R/W]

 

 

 

00000001

XXXXXXX1

 

 

00000000*1

Memory IF

 

 

 

 

 

 

 

 

0000_0684H

RCR

 

 

 

 

 

00XXXXXX

00XXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_0688H

 

 

 

 

 

 

 

to

 

 

 

 

Reserved

 

 

0000_0FFCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1 : An initial value is a different register at the reset level. The display is the one at the INIT level.

*2 : An initial value is a different register at the reset level. The display is due to the INIT level by INITX.

*3 : An initial value is set by the WTH bit of the mode vector.

Address

 

 

Register

 

Block

 

 

 

 

 

 

 

+ 0

 

+ 1

 

+ 2

 

+ 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1000H

 

 

DMASA0

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1004H

 

 

DMADA0

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1008H

 

 

DMASA1

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_100CH

 

 

DMADA1

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1010H

 

 

DMASA2

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

DMAC

 

 

 

 

 

 

 

 

0000_1014H

 

 

DMADA2

 

[R/W]

 

 

 

 

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1018H

 

 

DMASA3

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_101CH

 

 

DMADA3

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1020H

 

 

DMASA4

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1024H

 

 

DMADA4

 

[R/W]

 

 

 

XXXXXXXX XXXXXXXX

 

XXXXXXXX XXXXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0000_1028H

 

 

 

 

 

to

 

 

 

 

Reserved

0000_FFFCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38

Page 38
Image 38
Fujitsu MB91401 DMASA0 Xxxxxxxx, DMADA0 Xxxxxxxx, DMASA1 Xxxxxxxx, DMADA1 Xxxxxxxx, DMASA2 Xxxxxxxx Dmac, DMADA2 Xxxxxxxx

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.