APPENDIX

Appendix

A. I/O Port Address Map

Each peripheral device in the system is assigned a set of I/O port addresses which also becomes the identity of the device. The following table lists the I/O port addresses used.

 

Address

 

 

Device Description

 

 

000h - 01Fh

 

 

DMA Controller #1

 

 

020h - 03Fh

 

 

Interrupt Controller #1

 

 

040h - 05Fh

 

Timer

 

 

060h - 06Fh

 

Keyboard Controller

 

 

070h - 07Fh

 

Real Time Clock, NMI

 

 

080h - 09Fh

 

DMA Page Register

 

 

0A0h - 0BFh

 

 

Interrupt Controller #2

 

 

0C0h - 0DFh

 

 

DMA Controller #2

 

 

0F0h

 

Clear Math Coprocessor Busy Signal

 

 

0F1h

 

Reset Math Coprocessor

 

 

1F0h - 1F7h

 

IDE Interface

 

 

278 - 27F

 

Parallel Port #2(LPT2)

 

 

2F8h - 2FFh

 

Serial Port #2(COM2)

 

 

2B0 - 2DF

 

Graphics adapter Controller

 

 

378h - 3FFh

 

Parallel Port #1(LPT1)

 

 

360 - 36F

 

Network Ports

 

 

3B0 - 3BF

 

Monochrome & Printer adapter

 

 

3C0 - 3CF

 

EGA adapter

 

 

3D0 - 3DF

 

CGA adapter

 

 

3F0h - 3F7h

 

 

Floppy Disk Controller

 

 

3F8h - 3FFh

 

Serial Port #1(COM1)

 

MB899 User’s Manual

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Intel MB899 user manual Appendix, O Port Address Map

MB899 specifications

The Intel MB899 is a sophisticated microcontroller unit designed primarily for automotive applications and industrial control systems. This versatile device is a part of Intel's broader strategy to provide robust and scalable solutions that cater to the demanding requirements of modern electronic systems. Featuring a mix of performance, power efficiency, and comprehensive connectivity options, the MB899 is well-suited for a variety of applications.

One of the standout features of the Intel MB899 is its powerful 32-bit RISC architecture, which allows for high-speed processing and efficient execution of complex algorithms. This architecture ensures that the microcontroller can handle intensive tasks with ease, making it ideal for applications such as engine control units and advanced driver-assistance systems.

The MB899 is equipped with an array of integrated peripherals, including ADCs (Analog-to-Digital Converters), multiple timers, and interfaces like CAN (Controller Area Network), LIN (Local Interconnect Network), and SPI (Serial Peripheral Interface). This extensive set of functionalities enables seamless communication and control in automotive environments, where real-time data handling is crucial.

Energy efficiency is a significant consideration in the design of the MB899. The microcontroller incorporates power-saving features that help reduce overall power consumption, making it suitable for battery-operated systems and applications where energy efficiency is critical. These features are especially important in vehicles, where reducing power draw can lead to improved fuel efficiency.

Another important characteristic of the Intel MB899 is its reliability and ruggedness. Designed to endure harsh environments, the microcontroller can operate in a wide temperature range and withstand vibrations and electromagnetic interference. This robustness makes it suitable for use in critical applications, where failure is not an option.

Moreover, the MB899 benefits from Intel’s commitment to security. With integrated security features, the microcontroller can support secure boot processes and protect against unauthorized access, thus ensuring the integrity of the applications running on it. This aspect is increasingly important in the context of connected vehicles and IoT devices, which are frequently targeted by cyber threats.

Overall, the Intel MB899 microcontroller stands out for its powerful performance, extensive connectivity options, energy efficiency, reliability, and security features. These traits make it an exceptional choice for automotive and industrial applications, reinforcing Intel's position in the competitive landscape of microcontroller technology.