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Block Ram And Distributed Ram

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16 Threads found on Block Ram And Distributed Ram
Generate block ram, ROM or distributed ram through IP cores, i.e. automatic generation through wizard. it will ask you for the path of the .coe file, give it the path and your memory will be loaded with the data - - - Updated - - - If you had created your (...)
If you mean to say distributed ram by Dram and block ram by Bram in Xilinx FPGAs, then you can find it in ISE language template. In ISE, goto Edit menu -> language template -> VHDL -> synthesis Constructs -> (...)
There's a singular problem in synthesis report, that - if solved - would allow synthesis of your design in the present device: HDL ADVISOR - 5120 flip-flops were inferred for signal <ram_array>. You may be trying to describe a ram in a way that is incompatible with block and (...)
If you're planning to implement it on FPGA you can use block ram (Bram). Register files and Sram are bunch of flip-flops ganged together. You can define these as 2D array in Verilog. In most cases synthesis tools like Xilinx XST will infer (...)
I assume you are using xilinx. In ISE you can use planAhead tool to place your design. in this you can drag and drop set of nets to particular primitives. So select your DPram and place it on distributed ram. You want higher version of xilinx(may be 10 and (...)
You are Coding a ram for some purpose in your design. Depending upon the size of the ram, synthesis tool will infer block ram or distributed ram. Most FPGA boards have dedicated block (...)
Hi all, Why in xilinx the blocked ram and the distributed ram are infered when the READ_ADD is registerd (blocked ram) and when not registerd it will be infered as distributed (...)
think what kalyansrinivas state are correct, your output should be only 8bits and u cannot output the entire ram. beside, u can specified a block ram attribute to allow the synthesis tool to recognize it's a block ram. for example: (...)
Hi all I am using Spartan3 1000k FPGA. I am trying to use block ram in my code My address is 16 bits wise. At 16 bit addr the block ram utilizaation is 54% Now if i increase the addr bits to 17 XST gives the info message "Cannot implement as Bram It (...)
There are basically two types of ram , block ram and distributed ram. I think you are referring to Bram. Just see coding guidelines in XST manual Available at xilinx Site.Available at
The xc3s250e contains twelve 18-kilobit dual-port ram resources. Your design consumes eight of them. "Equivalent gates" is a strange metric -- useless to most people. Instead, read the other numbers in your mapper "design summary" report. They synthesis software will automatically choose distributed (...)
block ram is region inside the silicon what is just a ram module, distribute it is using LUT to create memory module
In Xilinx FPGAs, a block ram is a dedicated two-port memory containing several kilobits of ram. The FPGA contains several (or many) of these blocks. Inside of each small logic block is a configurable lookup table. It is normally used for logic functions, but you can (...)
Welcome to the FPGA club! You want a 1Kx18 block Select ram. They are convenient and plentiful. You probably don't want distributed ram for this application because it consumes regular logic fabric. Single-port or dual-port? Well, that depends on exactly how you want (...)
If you are using Xilinx tech. , there is a very good pdf that can help you to write the exact ram code which will direct the synthesis tool to creat the ram kind you want (block or distributed) ... Moreover , this pdf has many examples in verilog and VHDL for the recommened (...)
The Spartan and Vertex series have Bram (block ram) which is very fast and usable as single port or true dual port. It is in blocks of 2Kbits on the Spartans I've looked at, maybe bigger on the Vertex. They also have distributed (...)