![vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow](https://i.stack.imgur.com/yTebo.jpg)
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
![12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz! 12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz!](http://www.corecourse.cn/data/attachment/forum/202007/06/101555jczec8g0c33q96y9.png)
12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz!
![Undefined entity "altera_avalon_sc_fifo". Ensure that required library paths are specified correctly - Intel Communities Undefined entity "altera_avalon_sc_fifo". Ensure that required library paths are specified correctly - Intel Communities](https://community.intel.com/cipcp26785/attachments/cipcp26785/quartus-prime-software/76636/2/slika_buffer.jpg)
Undefined entity "altera_avalon_sc_fifo". Ensure that required library paths are specified correctly - Intel Communities
![vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow](https://i.stack.imgur.com/2xqKt.jpg)
vhdl - Altera Quartus Error (12007): Top-level design entity "alt_ex_1" is undefined - Stack Overflow
![12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz! 12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz!](http://www.corecourse.cn/data/attachment/forum/202007/06/103452dwcj9f9ownnjuofb.jpg)
12007 Top-level design entity "mux2 " is undefined - 芯路恒资料与技术支持专区- 芯路恒电子技术论坛- 手机版- Powered by Discuz!
Quartus Tutorial with Basic Graphical Gate Entry and Simulation Tips Example Problem I. Creating a Project in Quartus II. Design
Error (12006): Node instance "dspi_ddr_csn" instantiates undefined entity "altoddr". · Issue #2 · ZipCPU/arrowzip · GitHub
Error (12006): Node instance "dspi_ddr_csn" instantiates undefined entity "altoddr". · Issue #2 · ZipCPU/arrowzip · GitHub
![vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/OwaGT.png)
vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange
![vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange vhdl - Quartus Gives Undefined Signal For the State of a Finite State Machine. Supposed to Be Showing Enum of the State_type - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/XtzCn.png)