文章分类 - Hdlbits的Verilog学习
摘要：A JK flip-flop has the below truth table. Implement a JK flip-flop with only a D-type flip-flop and gates. Note: Qold is the output of the D flip-flop
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摘要：Given the finite state machine circuit as shown, assume that the D flip-flops are initially reset to zero before the machine begins. Build this circui
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摘要：Consider the n-bit shift register circuit shown below: Exams/2014 q4a - HDLBits (01xz.net) 1 module top_module ( 2 input clk, 3 input w, R, E, L, 4 ou
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摘要：Taken from ECE253 2015 midterm question 5 Consider the sequential circuit below: Mt2015 muxdff - HDLBits (01xz.net) 1 module top_module ( 2 input clk,
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摘要：Exams/m2014 q4d - HDLBits (01xz.net) 1 module top_module ( 2 input clk, 3 input in, 4 output out); 5 always @(posedge clk) begin 6 out <= (in ^ out);
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摘要：1 module top_module ( 2 input clk, 3 input d, 4 input r, // synchronous reset 5 output q); 6 always @(posedge clk) begin 7 if(!r) begin 8 q<=d; 9 end
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摘要：Exams/m2014 q4b - HDLBits (01xz.net) 1 module top_module ( 2 input clk, 3 input d, 4 input ar, // asynchronous reset 5 output q); 6 always @(posedge c
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摘要：1 Create 16 D flip-flops. It's sometimes useful to only modify parts of a group of flip-flops. The byte-enable inputs control whether each byte of the
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摘要：同步复位，也可见《数字积木》一书P85 Create 8 D flip-flops with active high synchronous reset. The flip-flops must be reset to 0x34 rather than zero. All DFFs should b
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摘要：D触发器定义： D触发器（DFF）是一个具有记忆功能的，具有两个稳定状态的信息存储器件，触发器具有两个稳定状态，即"0"和"1"，在一定的外界信号作用下，可以从一个稳定状态翻转到另一个稳定状态。在这里解释边沿触发的D触发器，D触发器在时钟脉冲CP的前沿（正跳变0→1）发生翻转，触发器的次态（下一个状
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摘要：Assume that you have two 8-bit 2's complement numbers, a[7:0] and b[7:0]. These numbers are added to produce s[7:0]. Also compute whether a (signed) o
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摘要：Exams/m2014 q4j - HDLBits (01xz.net) 1 module top_module ( 2 input [3:0] x, 3 input [3:0] y, 4 output [4:0] sum); 5 wire [2:0] cout; //定义一个wire，即用即无，是
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摘要：Now that you know how to build a full adder, make 3 instances of it to create a 3-bit binary ripple-carry adder. The adder adds two 3-bit numbers and
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摘要：Create a full adder. A full adder adds three bits (including carry-in) and produces a sum and carry-out. Fadd - HDLBits (01xz.net) 1 module top_module
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摘要：Create a half adder. A half adder adds two bits (with no carry-in) and produces a sum and carry-out. Hadd - HDLBits (01xz.net) 1 module top_module( 2
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摘要：Create a 4-bit wide, 256-to-1 multiplexer. The 256 4-bit inputs are all packed into a single 1024-bit input vector. sel=0 should select bits in[3:0],
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摘要：Create a 16-bit wide, 9-to-1 multiplexer. sel=0 chooses a, sel=1 chooses b, etc. For the unused cases (sel=9 to 15), set all output bits to '1'. Mux9t
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摘要：See also the shorter version: Gates and vectors. You are given a 100-bit input vector in[99:0]. We want to know some relationships between each bit an
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摘要：You are given a four-bit input vector in[3:0]. We want to know some relationships between each bit and its neighbour: out_both: Each bit of this outpu
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摘要：这道题自己换了一种写法，也是可以运行的，算是过程赋值语句和持续赋值语句的一个小小的对比，也可见《搭建你的数字积木》一书的P56，借鉴了上面的案例。 1 /*module top_module ( 2 input in1, 3 input in2, 4 input in3, 5 output out)
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