Compact Summary of VHDL phần 6

VHDL trang trợ giúp Hamburg VHDL Lưu Trữ (thiết lập các liên kết tốt nhất tôi đã thấy!) RASSP dự án VHDL Công cụ VHDL Tổ chức Trang chủ gnu GPL VHDL cho Linux, theo thông tin phát triển khác khai thác / VHDL từ hệ thống FTL. | VHDL Predefined Attributes E INSTANCE_NAME is a string containing the design hierarchy including E. E PATH_NAME is a string containing the design hierarchy of E to design root. Other Links VHDL help page Hamburg VHDL Archive the best set of links I have seen RASSP Project VHDL Tools VHDL Organization Home Page gnu GPL VHDL for Linux under development More information on Exploration VHDL from FTL Systems. Go to top Go to VHDL index http help VHDL 2 of 2 22 12 2001 15 23 42 Standard VHDL Packages Summary Design Units Sequential Statements IConcurrent Statements predefined Types Declarations Resolution and Signatures Reserved Words Operators predefined Attributes Standard Packages Standard VHDL Packages VHDL standard packages and types The following packages should be installed along with the VHDL compiler and simulator. The packages that you need except for standard must be specifically accessed by each of your source files with statements such as library IEEE use use use use use use use use use library STD use A version of these packages declaration and body are in this directory The package standard is predefined in the compiler. Types defined include bit bit_vector typical signals integer natural positive typical variables boolean string character typical variables real time delay_length typical variables Click on standard to see the functions defined Note This package must be provided with compiler do not use this one. The package textio provides user input output Types defined include line text side width Functions defined include readline read writeline write endline Click on textio to see how to call the functions The package std logic 1164 provides enhanced signal types Types defined include std_ulogic .