Prelminary

MB91401

2004.11.12

 

Interrupt number

Interrupt

 

Address of TBR

 

Interrupt source

 

 

Offset

RN

Decimal

Hexa-

level

default

 

 

 

 

 

decimal

 

 

 

 

DMAC3 (end, error)

34

22

ICR18

374H

000FFF74H

 

 

 

 

 

 

 

DMAC4 (end, error)

35

23

ICR19

370H

000FFF70H

 

 

 

 

 

 

 

System reserved

36

24

ICR20

36CH

000FFF6CH

 

 

 

 

 

 

 

System reserved

37

25

ICR21

368H

000FFF68H

 

 

 

 

 

 

 

System reserved

38

26

ICR22

364H

000FFF64H

 

 

 

 

 

 

 

System reserved

39

27

ICR23

360H

000FFF60H

 

 

 

 

 

 

 

System reserved

40

28

ICR24

35CH

000FFF5CH

 

 

 

 

 

 

 

System reserved

41

29

ICR25

358H

000FFF58H

 

 

 

 

 

 

 

System reserved

42

2A

ICR26

354H

000FFF54H

 

 

 

 

 

 

 

System reserved

43

2B

ICR27

350H

000FFF50H

 

 

 

 

 

 

 

System reserved

44

2C

ICR28

34CH

000FFF4CH

 

 

 

 

 

 

 

U-TIMER0

45

2D

ICR29

348H

000FFF48H

 

 

 

 

 

 

 

U-TIMER1

46

2E

ICR30

344H

000FFF44H

 

 

 

 

 

 

 

Timebase timer overflow

47

2F

ICR31

340H

000FFF40H

 

 

 

 

 

 

 

System reserved

48

30

ICR32

33CH

000FFF3CH

 

 

 

 

 

 

 

System reserved

49

31

ICR33

338H

000FFF38H

 

 

 

 

 

 

 

System reserved

50

32

ICR34

334H

000FFF34H

 

 

 

 

 

 

 

System reserved

51

33

ICR35

330H

000FFF30H

 

 

 

 

 

 

 

System reserved

52

34

ICR36

32CH

000FFF2CH

 

 

 

 

 

 

 

System reserved

53

35

ICR37

328H

000FFF28H

 

 

 

 

 

 

 

System reserved

54

36

ICR38

324H

000FFF24H

 

 

 

 

 

 

 

System reserved

55

37

ICR39

320H

000FFF20H

 

 

 

 

 

 

 

System reserved

56

38

ICR40

31CH

000FFF1CH

 

 

 

 

 

 

 

System reserved

57

39

ICR41

318H

000FFF18H

 

 

 

 

 

 

 

System reserved

58

3A

ICR42

314H

000FFF14H

 

 

 

 

 

 

 

System reserved

59

3B

ICR43

310H

000FFF10H

 

 

 

 

 

 

 

System reserved

60

3C

ICR44

30CH

000FFF0CH

 

 

 

 

 

 

 

System reserved

61

3D

ICR45

308H

000FFF08H

 

 

 

 

 

 

 

System reserved

62

3E

ICR46

304H

000FFF04H

 

 

 

 

 

 

 

Delay interrupt source bit

63

3F

ICR47

300H

000FFF00H

 

 

 

 

 

 

 

System reserved (Used by REALOS*)

64

40

2FCH

000FFEFCH

 

 

 

 

 

 

 

System reserved (Used by REALOS*)

65

41

2F8H

000FFEF8H

 

 

 

 

 

 

 

System reserved

66

42

2F4H

000FFEF4H

 

 

 

 

 

 

 

System reserved

67

43

2F0H

000FFEF0H

 

 

 

 

 

 

 

(Continued)

45

Page 45
Image 45
Fujitsu MB91401 manual Default

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.