知识产权 (IP) 保护和FPGA设计安全性Actel

简介：

问：actel的fpga常应用在空间设计中，为了适应空间的强辐射环境，在设计是应注意什么？
答： The most important thing is to choose a radiation resistance part, like our RTSXS and RH family. Then you may use our triple voting flip-flop to increase the resistance to single event upset

问：想问一下公司的产品芯片 在烧写时需要的配置方式 有那些

答： Our antifuse FPGAs are programming with programmer called Silicon Sculptor.

Our flash FPGAs can be programmed with Silicon Sculptor, Flash Pro, Flash Pro lite, or even ISP (MCU).

问：据我所知，IP分为软Ip和硬IP，硬IP的保密性还可以，软IP就比较难办了，那我想问的是：你们是怎么解决软IP的保密性问题的？还有就是FPGA的保密性不如CPLD，那么FPGA的配置又是怎么实现保密的呢？谢谢！
答： No matter soft/hard IP can enjoy the same level of security in flash/antifuse based FPGA.

In fact, only SRAM based FPGA"s security is lower than CPLD, ALL antifuse and flash based FPGA security is MUCH higher than CPLD and SRAM FPGA.

问：专家能否解释一下，用通用器件（DSP，MCU）、FPGA、ASIC实现相同功能任务时，三者在成本、性能等方面各自有何特长？
答： It is application dependents. DSP and MCU are good for jobs that require a lot of decision making. FPGAs are good at handling high speed hardware event and fixed data flow processing.

问：我想问的不是很贴题，但我需要ACTEL FAE的帮助。我正在测试APA150是否符合即往设计（以前使用ALTERA1K30）的需求，但是我发现Synplify对APA的支持不好，fanout对性能的影响太大，强制设定最大扇出为6后，TIMER报告频率提高，但实际工作的结果很不稳定.我的问题就是解决综合工具与布局步线工具之间矛盾的行之有效的方法是什么？
答： You may use the regional constrain, timing constrain and spine networks in APA to acheive higher performance.

问：请问能否用FPGA制作数据通信加密芯片？
答： Yes, it can.

问：fpga设计安全的主要原理是什么？是否主要从硬件方面考虑么？可否软硬件结合？
答： The most important security aspect of FPGA design is device selection. If the protection at device is not sufficient, then it is meaningless to use higher level protection scheme, like software or watermark.

问：在应用FPGA设计的专用芯片中的网表，是否比较容易地被复制出来。
答： Depends on which kind of FPGA. SRAM based FPGA"s content is extremely easy to be copied, while antifuse and flash based FPGAs are virtually impossible

问：请问AHDL语言现在和VHDL语言比功能上是否还有差距，以前是觉得AHDL好学一些，谢谢！
答： VHDL is MUCH MORE powerful than AHDL, if you have already managed AHDL, learning VHDL will be a easier task

问：actel都支持那些软体？如何提高母片利用率？
答： Actel supports most popular thrid party EDA tools in the market. You may use our macro generator to product more area efficient and fast macro to increase the utilization