Advanced Chip Design- Practical Examples In Verilog ⭐ Ad-Free

always @(posedge HCLK or negedge HRESETn) begin if (!HRESETn) HREADYOUT <= 1'b1; else begin if (HREADY && HTRANS == NONSEQ) begin if (HWRITE) memory[HADDR[11:2]] <= HWDATA; else HRDATA <= memory[HADDR[11:2]]; HREADYOUT <= 1'b1; end else HREADYOUT <= 1'b1; // wait-state insertion possible end end endmodule

Add write buffer, ECC, and bank interleaving. 4. Clock Domain Crossing (CDC) Example: 2-flop synchronizer (single-bit) module sync_single ( input clk_dst, rst_n, input sig_src, output reg sig_dst ); reg meta, sync; Advanced Chip Design- Practical Examples In Verilog

always @(posedge clk_dst or negedge rst_n) begin if (!rst_n) sync, meta <= 2'b00; else sync, meta <= meta, sig_src; end always @(posedge HCLK or negedge HRESETn) begin if (

// Stage 2: Decode & Register Read (combinational) wire [4:0] rs1 = IF_ID_instr[19:15]; wire [4:0] rs2 = IF_ID_instr[24:20]; wire [31:0] reg_data1 = regfile[rs1]; wire [31:0] reg_data2 = regfile[rs2]; else HRDATA &lt

// Gray code sync across domains reg [3:0] wptr_sync_r, rptr_sync_r; always @(posedge rclk) wptr_sync_r <= wgray; // + 2nd flop

wire [3:0] wgray = wptr ^ (wptr >> 1); wire [3:0] rgray = rptr ^ (rptr >> 1);