LogIn E-mail
설계이야기
[verilog]RAM example
# 38 JMJS    09.6.5 16:59

`timescale 1 ns / 100 ps
module jmjsram8x16 (clk, cs, we, addr, din, dout);
input                clk, cs, we;
input        [3:0]        addr;
input        [7:0]        din;
output        [7:0]        dout;
jmjsram #(8,16,4) u0 (clk, cs, we, addr, din, dout);
endmodule

module jmjsram (clk, cs, we, addr, din, dout);
parameter WIDTH=2, DEPTH=2, ADDR_WIDTH=2;

input                                clk, cs, we;
input        [ADDR_WIDTH -1:0]        addr;
input        [WIDTH -1:0]                din;
output        [WIDTH -1:0]                dout;

reg        [WIDTH -1:0]                mem        [0:DEPTH -1];
reg        [ADDR_WIDTH -1:0]        addr_r;
reg                                cs_r;
always @(posedge clk) begin
        if(we) mem[addr] <= din;
        addr_r        <= addr;
        cs_r        <= cs;
end

assign dout = (cs_r)? mem[addr_r] : {WIDTH{1'bz}};

endmodule

첨부파일: jmjsram_090331.zip jmjsram.v
게시물: 93 건, 현재: 1 / 1 쪽
[1]
번호 제       목 작성자 등록일 방문
95  draw_hexa.v JMJS 10.6.17 2130
94  jmjsxram3.v JMJS 10.4.9 1862
93  Verilog document JMJS 11.1.24 2445
92  [verilog]o=(c1)? (c2)? 0:1 : (c3)? 2:3; JMJS 09.3.31 2009
91  [verilog]forever, repeat, strobe, realtime, ... JMJS 09.7.6 3499
90  gtkwave PC version JMJS 09.3.30 1792
89  ncsim option example JMJS 08.12.1 4192
88  [영상]keywords for web search JMJS 08.12.1 1828
87  [Verilog]fdisplay fopen fscanf JMJS 11.1.24 6197
86  ncverilog option example JMJS 10.6.8 7588
85  [Verilog]Latch example JMJS 08.12.1 2414
84  Pad verilog example JMJS 01.3.16 4369
83  [ModelSim] vector JMJS 01.3.16 2022
82  RTL Code 분석순서 JMJS 09.4.29 2321
81  [temp]PIPE JMJS 08.10.2 1695
80  [temp]always-forever 무한루프 JMJS 08.10.2 1755
79  YCbCr2RGB.v JMJS 10.5.12 1974
78  [VHDL]rom64x8 JMJS 09.3.27 1584
77  [function]vector_compare JMJS 02.6.19 1548
76  [function]vector2integer JMJS 02.6.19 1621
75  [VHDL]ram8x4x8 JMJS 08.12.1 1482
74  [예]shift JMJS 02.6.19 1859
73  test JMJS 09.7.20 1613
72  test JMJS 09.7.20 1434
71  test JMJS 09.7.20 1381
70  test JMJS 09.7.20 1466
69  test JMJS 09.7.20 1500
68  test JMJS 09.7.20 1430
67  test JMJS 09.7.20 1345
66  test JMJS 09.7.20 1312
65  test JMJS 09.7.20 1407
64  test JMJS 09.7.20 1693
63  test JMJS 09.7.20 1675
62  test JMJS 09.7.20 1598
61  VHDL의 연산자 우선순위 JMJS 09.7.20 3518
60  test JMJS 09.7.20 1331
59  test JMJS 09.7.20 1426
58  test JMJS 09.7.20 1463
57  test JMJS 09.7.20 1382
56  test JMJS 09.7.20 1428
55  verilog 학과 샘플강의 JMJS 16.5.30 2132
54  [verilog]create_generated_clock JMJS 15.4.28 2039
53  [Verilog]JDIFF JMJS 14.7.4 1300
52  [verilog]parameter definition JMJS 14.3.5 1555
51  [verilog]sformat fopen fscanf fwrite fclose JMJS 12.1.31 4533
50  Verilog File I/0,Verilog file handling JMJS 12.1.30 2290
49  Verdi JMJS 10.4.22 2965
48  draw hexa JMJS 10.4.9 1645
47  asfifo - Async FIFO JMJS 10.4.8 1465
46  VHDL을 이용한 회로설계의 장점 JMJS 02.3.14 3147
45  synplify batch JMJS 10.3.8 2228
44  전자시계 Type A JMJS 08.11.28 1724
43  I2C Webpage JMJS 08.2.25 1592
42  PC에서 간단히 Verilog 실행해보기 (Icarus Verilog) JMJS 13.1.14 6020
41  [Verilog]vstring JMJS 17.9.27 1833
40  Riviera Simple Case JMJS 09.4.29 3013
39  [VHDL]DES Example JMJS 07.6.15 2721
38  [verilog]RAM example JMJS 09.6.5 2507
37  ROM example [VerilogHDL, RTL] JMJS 04.5.27 1732
36  Jamie's VHDL Handbook JMJS 08.11.28 2387
35  Dualport RAM example [VerilogHDL, RTL] JMJS 04.5.27 3016
34  RTL Job JMJS 09.4.29 1876
33  [VHDL]type example - package TYPES JMJS 06.2.2 1566
32  [verilog]`define `ifdef `elsif `else `endif ... JMJS 10.5.11 9566
30  [verilog]array_module JMJS 05.12.8 1947
29  [verilog-2001]generate JMJS 05.12.8 3184
28  protected JMJS 05.11.18 1766
27  design에 latch가 있으면 안되나요? JMJS 09.7.20 2613
26  bus의 데이타를 각 bit별로 출력하는 방법은? JMJS 04.11.9 1652
25  component를 생성해서 다른 곳에서 호출하는 방법 JMJS 04.11.4 2203
23  Array Of Array JMJS 04.8.16 1771
22  dumpfile, dumpvars JMJS 04.7.19 3403
21  Vending Machine Jamie 02.12.16 10010
20  Mini Vending Machine1 Jamie 02.12.10 6734
19  Mini Vending Machine Jamie 02.12.6 9661
18  Key Jamie 02.11.29 4778
17  Stop Watch Jamie 02.11.25 5497
16  Mealy Machine Jamie 02.8.29 6555
15  Moore Machine Jamie 02.8.29 17260
14  Up Down Counter Jamie 02.8.29 3783
13  Up Counter Jamie 02.8.29 2509
12  Edge Detecter Jamie 02.8.29 2767
11  Concept4 Jamie 02.8.28 1851
10  Concept3 Jamie 02.8.28 1807
9  Concept2_1 Jamie 02.8.28 1703
8  Concept2 Jamie 02.8.28 1770
7  Concept1 Jamie 02.8.26 1999
6  Tri State Buffer Jamie 02.8.26 3300
5  8x3 Encoder Jamie 02.8.28 3951
4  3x8 Decoder Jamie 02.8.28 3636
3  4bit Comparator Jamie 02.8.26 2995
2  가위 바위 보 게임 Jamie 02.8.26 5404
1  Two Input Logic Jamie 02.8.26 2226
[1]