resetb) x<=0; else if (条件a) x <= a; //可选 else x <= 1; 2、多个分支 val x =regInit(0.B) x := ture.B when (条件a) x:= a when (条件b) x:= b when (条件c) x:= c 等效于 always @(posedege clk or negedge resetb) if (!resetb) x<=0; else if (条件c) ...
io.resetB) { Module(new ChildModule) } clockB_child.io.in := io.stuff } 如果传名参数全都是定义,最后没有表达式用于返回,那么apply的返回结果类型自然就是Unit。此时
val reset = Input(Bool()) val b = Output(UInt(4.W)) }) setInline("dut.v", """ |module dut(input [31:0] a, | input clk, | input reset, | output [3:0] b); | | reg [3:0] b_temp; | | always @ (posedge clk, negedge reset) | if(!reset) | b_temp <= 'b0;...
// when at the middle of stop bit, rx donealways@(posedgeclkornegedgereset_n)beginif(~reset_n)begino_rx_done<=1'b0;endelsebegino_rx_done<=stop_bit_mid;endend 完整的接收器Verilog代码如下。 /// UART receiver/// o_rx_done set 1 for 1 cycle when all bits are received// async ac...