Intel MB899 user manual Appendix, O Port Address Map

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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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Contents Version 1.0A Intel CoreTM 2 Duo CoreTM Duo/ Solo 945GMAcknowledgments Table of Contents MB899 Mini ITX Motherboard Product Description IntroductionChecklist CPU FSB MB899 SpecificationsBoard Dimensions Installations Installing the CPU Lock Installing the MemorySetting the Jumpers Jumper Locations on MB899 JP6 1394 Eprom Write Selection JP5 LCD Panel Power SelectionJP7 Clear Cmos Setting JP2 CPU FSB SelectionreservedConnectors on MB899 Connector Locations on MB899 CN2, CN3 COM1 and VGA Connector CN1 PS/2 Keyboard and PS/2 Mouse ConnectorsFAN2 CPU Fan Power Connector FDD1 Floppy Drive Connector IDE1 IDE ConnectorJ14 ATX Power Supply Connector J1 IrDA ConnectorJ2 Digital I/O Speaker Pins 1 J3 System Function ConnectorReset Switch Pins 9 J8 Wake On LAN Connector J6 USB5/6 Port Pin HeaderJ7 COM2 Serial Port J11 LCD Backlight Connector J18 PCI-Ex1 Slot J19 CD-In Pin Header J16 1394 ConnectorJ17 Front Audio Connector J20 Compact Flash Connector PCI1 PCI Slot supports 2 MasterSDVOCCLK+ Sdvocclk CON1 Sdvo Port ConnectorHeaders and Connectors on MB899 Daughter Cards RED ID391 J2 DVI Connector This page is intentionally left blank Bios Setup Bios Setup Bios IntroductionPhoenix AwardBIOS Cmos Setup Utility Date Standard Cmos SetupTime IDE Channel Master/SlaveDrive a / Drive B Halt On VideoVirus Warning Advanced Bios FeaturesCPU Feature Hard Disk Boot PriorityBoot Up Floppy Seek Quick Power On Self TestFirst/Second/Third Boot Device Boot Other DeviceMPS Version Control for OS Typematic Delay MsecApic Mode Security OptionCAS Latency Time Advanced Chipset FeaturesDram RAS# to CAS# Delay Dram Timing SelectableOn-Chip VGA Setting Precharge Delay tRASSystem Bios Cacheable Video Bios CacheableLAN PXE Option ROM Panel ScalingPanel Number Onboard PCI-E LANOnChip IDE Device Integrated PeripheralsIDE Primary/Secondary Master/Slave PIO IDE HDD Block ModeOn-chip Primary PCI IDE Enabled OnChip Primary/Secondary PCI IDEHot Key Power on On-Chip Serial ATA SettingPower on Function KB Power on PasswordUart Mode Select Onboard Serial PortPwron After PWR-Fail Acpi Function Power Management SetupRUN Vgabios if S3 Resume Power ManagementVideo Off Method Suspend ModeHDD Power Down Power On by RingReload Global Timer Events Resume by AlarmPNP/PCI Configurations PC Health Status Frequency/Voltage Control Auto Detect PCI ClkSpread Spectrum Modulated Save & Exit Setup Load Fail-Safe DefaultsLoad Optimized Defaults Set Supervisor PasswordThis page is intentionally left blank Drivers Installation Click IntelR Chipset Software Installation Utility Intel Chipset Software Installation UtilityDrivers Installation Click IntelR I945GMChipset Family Graphics Driver VGA Drivers InstallationImportant Note Click Realtek AC97 Codec Audio Driver AC97 Codec Audio Driver InstallationClick Install Base Software to continue LAN Drivers InstallationDriver Installation O Port Address Map AppendixLevel Function Interrupt Request Lines IRQSample Code Watchdog Timer ConfigurationAppendix OutportbW627EHFINDEXPORT, W627EHFLOCK W627EHFLOCK

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.