XC3S400AN-4FTG256C

The XC3S400AN-4FTG256C is a Spartan-3AN FPGA (Field-Programmable Gate Array) from Xilinx, offering high-density programmable logic for various digital design applications. This FPGA features a capacity of 400,000 system gates, making it suitable for complex logic designs and embedded system implementations.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCCINT: Internal power supply voltage
• VCCAUX: Auxiliary power supply voltage for configuration and analog functions
• GND: Ground
• prog_b: Programming mode select input
• Done: Configuration completion indicator output
• Clk: Clock input
• IO[0:95]: General-purpose I/O pins
• Prog: Programming data input
• TDI: Test data input
• TDO: Test data output
• TMS: Test mode select input
• TCK: Test clock input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the XC3S400AN-4FTG256C FPGA for a visual representation.

Key Features

• High-Density FPGA: The XC3S400AN-4FTG256C offers a large number of system gates for implementing complex logic functions.
• Flexible and Reconfigurable: Being a field-programmable device, this FPGA allows for flexible reconfiguration of logic functions as needed.
• Wide Operating Voltage Range: Operates with a voltage range suitable for various digital systems.
• Embedded Block RAM: Includes embedded memory resources for storing data within the FPGA.
• Low Power Consumption: Optimized for low power operation, making it suitable for power-sensitive applications.

Note: For detailed technical specifications, please refer to the XC3S400AN-4FTG256C datasheet.

Application

• Digital Signal Processing: Ideal for implementing digital signal processing algorithms and functions.
• Embedded Systems: Suitable for embedded system designs requiring programmable logic.
• Communications Systems: Used in communications systems for protocol processing and data manipulation.

Functionality

The XC3S400AN-4FTG256C FPGA provides a flexible platform for implementing custom logic functions and designs. It enables users to create tailored digital solutions for a variety of applications.

Usage Guide

• Power Supply: Connect VCCINT and VCCAUX to the respective power supplies specified in the datasheet.
• Configuration: Use the necessary pins for configuration mode selection and data input.
• Inputs and Outputs: Utilize the general-purpose I/O pins for connecting to external devices and components.

Frequently Asked Questions

Q: Can the XC3S400AN-4FTG256C be cascaded for increased capacity?
A: Yes, multiple XC3S400AN-4FTG256C FPGAs can be cascaded together to increase overall system capacity and logic resources.

Q: Does the XC3S400AN-4FTG256C support partial reconfiguration?
A: Yes, this FPGA supports partial reconfiguration, allowing specific sections of the design to be modified without affecting the entire configuration.