VHDL and FPGA terminology - VHDLwhiz
Error (12006): Node instance "dspi_ddr_csn" instantiates undefined entity "altoddr". · Issue #2 · ZipCPU/arrowzip · GitHub
Sigasi Studio 4.15 - Sigasi
FPGA Quartus Error and Fixed: top level design entity "name" is undefined - YouTube
Quartus 2 vhdl; Error: Node instance instantiates undefined entity. | Forum for Electronics
FPGA，VHDL报错Error (12007): Top-level design entity "xxx" is undefined _头大的小丸子的博客-CSDN博客
FPGA Quartus Error and Fixed: top level design entity "name" is undefined - YouTube
Libraries and Packages in VHDL
vhdl - Structural architecture - Electrical Engineering Stack Exchange
FPGA，VHDL报错Error (12007): Top-level design entity "xxx" is undefined _头大的小丸子的博客-CSDN博客
Quick Quartus with Verilog
Course: ECE-124 Digital Circuits and Systems
Generic map error in VHDL | Crypto Code
Error: Top-level design entity "demo" is undefined - 摩斯电码- 博客园
Quick Quartus with Verilog
vhdl - Undefined type in block design when using custom IP - Stack Overflow
Prilimanary Concepts of VHDL by Dr.R.Prakash Rao
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
Quartus II Handbook Version 13.0
Quartus II 中常见问题以及其解决方法（持续更新）_quartus出现模块名未被定义的_玄色i的博客-CSDN博客
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
Entity Declaration - an overview | ScienceDirect Topics
32.15.4 Design Hierarchy View
ECOM 4311—Digital System Design with VHDL - ppt video online download
