Xilinx System Generator v2.1 Reference Guide

where

Ns = total number of next state logic block RAM bits

k =

log 2s

ds = depth of state logic block RAM

ws = width of state logic block RAM

s = number of states

i = number of input bits

The following table gives examples of Block RAM sizes necessary for various state machines:

Number of States

Number of

Block RAM Bits

 

Input Bits

Needed

 

 

 

 

 

 

2

5

64

 

 

 

4

1

8

 

 

 

8

6

1536

 

 

 

16

5

2048

 

 

 

32

4

2560

 

 

 

52

1

768

 

 

 

100

4

14336

 

 

 

Xilinx LogiCORE

This block uses Version 3.2 of the Xilinx Single Port Block Memory LogiCORE.

The block RAM width and depth limitations are described in the core datasheet for the Single Port Block Memory, which may be found locally at:

%XILINX%\coregen\ip\xilinx\eip1\com\xilinx\ip\blkmemsp_v3_2\do c\sp_block_mem.pdf

126

Xilinx Development System

Page 126
Image 126
Xilinx V2.1 manual Where Ns = total number of next state logic block RAM bits

V2.1 specifications

Xilinx V2.1 is a notable iteration in the series of versatile and robust Field-Programmable Gate Arrays (FPGAs) developed to cater to a wide range of applications. Launched to provide enhancements in performance and flexibility, V2.1 embodies sophisticated technologies and features that stand out in the electronics industry.

One of the primary features of Xilinx V2.1 is its improved processing power. The architecture has been optimized to support higher clock speeds and increased logic density, allowing for more complex designs to be implemented effectively. This boost in performance is facilitated by utilizing advanced silicon technologies, which significantly reduce power consumption while maximizing efficiency.

Another significant characteristic of Xilinx V2.1 is its enhanced I/O (Input/Output) capabilities. The device supports a variety of industry-standard interfaces, which include PCI Express, SATA, and various serial communication protocols. Such adaptability ensures seamless integration into existing systems, providing engineers with the flexibility to adapt to various application requirements without the need for substantial redesign efforts.

Xilinx V2.1 also features improved scalability, making it a prime choice for applications that demand diverse performance levels. This device supports an array of configurations and can be used in small-scale projects as well as in larger, more demanding environments requiring extensive resources. This scalability is further aided by support for multiple development platforms, enabling rapid prototyping and simplifying the design process.

Security is increasingly becoming a priority in digital design, and Xilinx V2.1 addresses this concern via hardware security features. It includes enhanced encryption protocols and secure boot functionalities, which help protect intellectual property and sensitive data from unauthorized access.

Additionally, the integration of advanced DSP (Digital Signal Processing) blocks allows Xilinx V2.1 to efficiently handle data-intensive tasks such as video processing and real-time signal analysis. These capabilities make it suitable for applications in telecommunications, automotive systems, and industrial automation.

Xilinx V2.1 also benefits from a rich development environment, including robust software tools that facilitate design entry, simulation, and verification. The support for industry-standard programming languages like VHDL and Verilog simplifies the development process, enabling engineers to design complex systems more efficiently.

In summary, Xilinx V2.1 stands out due to its impressive combination of high performance, flexibility, scalability, security, and comprehensive development support. These features make it a valuable asset for engineers and developers looking to innovate across various sectors, from telecommunications and automotive to industrial applications.