CSV文件是一种纯文本文件，其使用特定的结构来排列表格数据。CSV是一种紧凑，简单且通用的数据交换通用格...
我们知道burst length过后,通过上述讨论我们大概就知道FIFO的最小深度与burst rate, burst size, read and write frequency等因素有关。要确定FIFO的深度,关键在于计算出在突发读写这段时间内有多少个数据没有被读走。也就是说FIFO的最小深度就等于没有被读走的数据个数。 其实在一些ASIC论坛中,很多前辈就给出过...
增加了read和write地址的同步信号,以及二进制转格雷码的逻辑。 示例代码 moduledual_clk_fifo #(parameterDATESIZE =8,parameterADDRSIZE =4,parameterALMOST_GAP =3) (input[DATESIZE-1:0] wdata,inputwinc, wclk, wrst_n,inputrinc, rclk, rrst_n,outputwire[DATESIZE-1:0] rdata,outputregwfull,output...
There are no idle cycles in both reading and writing which means that, all the items in the burst will be written and read in consecutive clock cycles. 这种写慢读快的情况fifo的深度为1就够了。 case6 : fA < fB with idle cycles in both write and read (duty cycles of wr_enb and rd_...
READ/WRITE CONTROL CIRCUIT FOR FIFO AND FIFO MEMORY WITH N-WORDPURPOSE: To perform the read/write operation of a FIFO at high speed and to easily extend the number of words.SAITO TETSUO▲斎▼藤 哲郎
module SYNCFIFO( Fifo_rst, //async reset Clock, // write and read clock Read_enable, write_enable, Read_data, write_data, Full, // full flag Empty, // empty flag Fcounter // count the number of data in FIFO ); endmodule FIFO control FIFO control 最主要的就是维护两个地址,读地址和...
2、对于空、满标志的判断,前一种风格采用双n格雷码计数器来完成(One known solution to this problem appends an extra bit to both pointers and then compares the extra bit for equality (for FIFO empty) or inequality (for FIFO full), along with equality of the other read and write pointer bits[...
我们知道burst length过后,通过上述讨论我们大概就知道FIFO的最小深度与burst rate, burst size, read and write frequency等因素有关。要确定FIFO的深度,关键在于计算出在突发读写这段时间内有多少个数据没有被读走。也就是说FIFO的最小深度就等于没有被读走的数据个数。
Hello, 1. Do XPM FIFOs support different data width for read and write ? 2. If they do - is the ratio between width's limited to a maximum of 8:1 (as it is with an IP Catalog FIFO) ? Synthesis Like Answer Share 11 answers 1.06K viewsvemula...
end//read 16 times to make fifo emptyrepeat(16)begin @(negedge clk)begin wr_en<=1'b0;rd_en<=1'b1;end end//read and write 8 timesrepeat(8)begin @(negedge clk)begin wr_en<=1'b1;data_in<=$random;rd_en<=1'b0;end end//Continuous read and writeforever begin ...