confusion flash data port cyclone iv - confusion flash data port cyclone iv hello i new in pfl flash programing i am using arria fpga below picture i have attached there is no flash data port connected with cpld only connected with fpga Cyclone iv my question is how to program flash memory from cpld ?if there is no data port between flash and cpld and another question in my case arria ii gx series can I use AN478 Using FPGA-Based Parallel Flash Loader with the Quartus II Software on my fpga series Thanks Nome Replies: Re: confusion flash data port cyclone iv This thread will be transitioned to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Otherwise, the community users will continue to help you on this thread. Thank you Replies: Re: confusion flash data port cyclone iv You can directly program a flash file using .pof ile through JTAG interface if available. Regards Replies: Re: confusion flash data port cyclone iv Hello Thanks for Reply Would you please elaborate us how possibility to program Nor Parallel Flash M29EW without CPLD and PFL if I am using Arria ii GX? I follow AN478 pdf but nothing done Thanks Nome Replies: Re: confusion flash data port cyclone iv Hi, The screen shot is just an example block diagram focusing on the Fast Passive Parallel (FPP) configuration. It does not intend to depict how the flash/external memory should be configured. It depends upon the application and system connectivity of the memory on how it gets programmed. Regards.