u_spi_master            300             2700            N
u_sdram_ctrl            900             2700            N
u_glbl_cfg              1700            2700            N
u_uart_i2c_usb          2200            2700            N
u_riscv_top	        400	        800	        N
u_sram_2kb              1200            200             N
u_intercon              300             2330            N
u_wb_host               300             300             N