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Intel Manuals
Single board computers
iSBC 88/25
Hardware reference manual
Intel iSBC 88/25 Hardware Reference Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
General Information
Introduction
Description
Documentation Supplied
Additional Equipment Required
Specifications
Preparation for Use
Introduction
Unpacking and Inspection
Installation Considerations
Minimal Operating Requirements
Power Requirements
ROM/PROM Installation
Isbc 341 Module Installation
Page Select Jumper Configuration
On Board RAM Expansion and Isbc 302 RAM Module
Installation
Byte-Wide RAMS
Line Drivers and I/O Terminators
Interval Timer Jumper Configurations
Serial Port Jumper Connections
Parallel Port Jumper Configurations
Port C8 Transceiver Conversion
Interrupt Matrix Jumper Configurations
Multibus Vectored Interrupts
Wait State Generator Selection
Failsafe Timer Selection
Multibus Interface Arbitration
Serial Priority Resolution
Parallel Priority Resolution
Connector Information
Multibus Signal Characteristics
Power Fail Battery Backup Provisions
Parallel I/O Cabling
Multimodule Boards and the Isbx Bus
Final Installation
Programming Information
Introduction
Memory Addressing
System Initialization
Mode Control Word & Count
Initialization
Operation
Counter Read
Clock Frequency/Divide Ratio Selection
Rate Generator/Interval Timer
Interrupt Timer
8251A PCI Programming
Mode Instruction Format
Sync Characters
Command Instruction Format
Reset
Addressing
Initialization
8255A PPI Programming
Control Word Format
Addressing
Initialization
Operation
8259A PIC Programming
Interrupt Priority Modes
Special Fully Nested Mode
Automatic Rotating Mode
Special Mask Mode
Poll Mode
Status Read
Initialization Command Words
Addressing
Initialization
Operation
8088 Interrupt Handling
Non-Maskable Interrupt (Nmi)
Slave PIC Byte Identifier
Principles of Operation
Introduction
Major Functional Blocks
On-Board Timing
Random Access Memory (RAM)
Read-Only Memory (ROM)
Address Decoding
Memory Address Decoding
I/O Address Decoding
8253-5 Interval Timer
Serial Port Circuitry
Parallel Port Interface
Interrupt Control and Timing
Multibus Interface
Isbx Multimodule Interface
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I
iSBC 88/2S™
SINGLE BOARD COMPUTER
HARDWARE REFERENCE MANUAL
Order Number: 143825-001
Copyright
©
1981 Intel Corporation
I
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