I use ise9.1 and synplify8.4.2,I use the core generator to generate a fifo,the parameters as follow,different clock and different data bus widths,write 16 bits and read 128 bits,now I want to use the fifo data counts to control my logic,the fifo depths is 256 for read,and I don't use the all fifo,if the fifo data conter reach 200,the logic must stop writing,the logic can't write one more or less,so i need the accurate fifo data conter,but from the datasheet I know that near empty and full the fifo counter will be not accurate but I dno't know if the fifo counts is accurate near 200(write and read will be not at the same time near 200),also under reset or power on,the fifo counts is
2(but now there are no datas in fifo,I don't know why?)- posted
16 years ago