Module 1:
Introduction and Ordering Information
DS557 (v4.2) June 12, 2014
• Introduction
• Features
• Architectural Overview
• Configuration Overview
• In-system Flash Memory Overview
• General I/O Capabilities
• Supported Packages and Package Marking
• Ordering Information

Module 2:
Functional Description
DS557 (v4.2) June 12, 2014
The functionality of the Spartan®-3AN FPGA family is
described in the following documents:
• UG331: Spartan-3 Generation FPGA User Guide
• Clocking Resources
• Digital Clock Managers (DCMs)
• Block RAM
• Configurable Logic Blocks (CLBs)
- Distributed RAM
- SRL16 Shift Registers
- Carry and Arithmetic Logic
• I/O Resources
• Embedded Multiplier Blocks
• Programmable Interconnect
• ISE® Design Tools and IP Cores
• Embedded Processing and Control Solutions
• Pin Types and Package Overview
• Package Drawings
• Powering FPGAs
• Power Management
• UG332: Spartan-3 Generation Configuration User Guide
• Configuration Overview
• Configuration Pins and Behavior
• Bitstream Sizes
• Detailed Descriptions by Mode
- Self-contained In-System Flash mode
- Master Serial Mode using Platform Flash PROM
- Master SPI Mode using Commodity Serial Flash
- Master BPI Mode using Commodity Parallel Flash
- Slave Parallel (SelectMAP) using a Processor
- Slave Serial using a Processor
- JTAG Mode
• ISE iMPACT Programming Examples
• MultiBoot Reconfiguration
• Design Authentication using Device DNA
• UG333: Spartan-3AN In-System Flash User Guide
• UG334: Spartan-3AN Starter Kit User Guide

Module 3:
DC and Switching Characteristics
DS557 (v4.2) June 12, 2014
• DC Electrical Characteristics
• Absolute Maximum Ratings
• Supply Voltage Specifications
• Recommended Operating Conditions
• Switching Characteristics
• I/O Timing
• Configurable Logic Block (CLB) Timing
• Multiplier Timing
• Block RAM Timing
• Digital Clock Manager (DCM) Timing
• Suspend Mode Timing
• Device DNA Timing
• Configuration and JTAG Timing

Module 4:
Pinout Descriptions
DS557 (v4.2) June 12, 2014
• Pin Descriptions
• Package Overview
• Pinout Tables
• Footprint Diagrams