MB91401

 

 

 

 

Prelminary

 

 

 

 

2004.11.12

 

 

 

 

 

 

 

 

 

 

 

■ INTERRUPT VECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interrupt number

Interrupt

 

Address of TBR

 

 

 

Interrupt source

 

 

Offset

RN

 

 

Decimal

Hexa-

level

default

 

 

 

 

 

 

 

 

 

decimal

 

 

 

 

 

 

Reset

0

00

3FCH

000FFFFCH

 

 

 

 

 

 

 

 

 

 

 

Mode vector

1

01

3F8H

000FFFF8H

 

 

 

 

 

 

 

 

 

 

 

System reserved

2

02

3F4H

000FFFF4H

 

 

 

 

 

 

 

 

 

 

 

System reserved

3

03

3F0H

000FFFF0H

 

 

 

 

 

 

 

 

 

 

 

System reserved

4

04

3ECH

000FFFECH

 

 

 

 

 

 

 

 

 

 

 

System reserved

5

05

3E8H

000FFFE8H

 

 

 

 

 

 

 

 

 

 

 

System reserved

6

06

3E4H

000FFFE4H

 

 

 

 

 

 

 

 

 

 

 

Coprocessor absent trap

7

07

3E0H

000FFFE0H

 

 

 

 

 

 

 

 

 

 

 

Coprocessor error trap

8

08

3DCH

000FFFDCH

 

 

 

 

 

 

 

 

 

 

 

INTE instruction

9

09

3D8H

000FFFD8H

 

 

 

 

 

 

 

 

 

 

 

Instruction break exception

10

0A

3D4H

000FFFD4H

 

 

 

 

 

 

 

 

 

 

 

Operand break trap

11

0B

3D0H

000FFFD0H

 

 

 

 

 

 

 

 

 

 

 

Step trace trap

12

0C

3CCH

000FFFCCH

 

 

 

 

 

 

 

 

 

 

 

NMI request (tool)

13

0D

3C8H

000FFFC8H

 

 

 

 

 

 

 

 

 

 

 

Undefined instruction exception

14

0E

3C4H

000FFFC4H

 

 

 

 

 

 

 

 

 

 

 

NMI request

15

0F

FH fixed

3C0H

000FFFC0H

 

 

 

 

 

 

 

 

 

 

 

Ethernet MAC IF

16

10

ICR00

3BCH

000FFFBCH

4

 

 

 

 

 

 

 

 

 

 

 

Authentication macro

17

11

ICR01

3B8H

000FFFB8H

5

 

 

 

 

 

 

 

 

 

 

 

IPSec Accelerator/Code macro

18

12

ICR02

3B4H

000FFFB4H

8

 

 

 

 

 

 

 

 

 

 

 

EX IF/GPIO

19

13

ICR03

3B0H

000FFFB0H

9

 

 

 

 

 

 

 

 

 

 

 

USB/I2C/CARD IF

20

14

ICR04

3ACH

000FFFACH

 

 

External interrupt 5

21

15

ICR05

3A8H

000FFFA8H

 

 

 

 

 

 

 

 

 

 

 

External interrupt 6

22

16

ICR06

3A4H

000FFFA4H

 

 

 

 

 

 

 

 

 

 

 

External interrupt 7

23

17

ICR07

3A0H

000FFFA0H

 

 

 

 

 

 

 

 

 

 

 

Reload timer 0

24

18

ICR08

39CH

000FFF9CH

6

 

 

 

 

 

 

 

 

 

 

 

Reload timer 1

25

19

ICR09

398H

000FFF98H

7

 

 

 

 

 

 

 

 

 

 

 

Reload timer 2

26

1A

ICR10

394H

000FFF94H

 

 

 

 

 

 

 

 

 

 

 

UART0 (Reception completed)

27

1B

ICR11

390H

000FFF90H

0

 

 

 

 

 

 

 

 

 

 

 

UART1 (Reception completed)

28

1C

ICR12

38CH

000FFF8CH

1

 

 

 

 

 

 

 

 

 

 

 

UART0 (RX completed)

29

1D

ICR13

388H

000FFF88H

2

 

 

 

 

 

 

 

 

 

 

 

UART1 (RX completed)

30

1E

ICR14

384H

000FFF84H

3

 

 

 

 

 

 

 

 

 

 

 

DMAC0 (end error) Ethernet MAC IF

31

1F

ICR15

380H

000FFF80H

 

 

 

 

 

 

 

 

 

 

 

DMAC1 (end error) External IF

32

20

ICR16

37CH

000FFF7CH

 

 

 

 

 

 

 

 

 

 

 

DMAC2 (end error) USB

33

21

ICR17

378H

000FFF78H

 

 

 

 

 

 

 

 

 

 

(Continued)

44

Page 44
Image 44
Fujitsu MB91401 manual Interrupt Vector, Interrupt Address of TBR Interrupt source Offset

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.