0110 Sequence Detector

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Mealy model state diagram
Sequence detector 0110

Last time, I presented a Verilog code together with Testbench for Sequence Detector using FSM. The sequence being detected was '1011'. This VHDL project presents a full VHDL code for Moore FSM Sequence Detector. A VHDL Testbench is also provided for simulation. The sequence to be detected is '1001'. I asked to design a sequence detector to detect 0110 and when this sequence happend turn it's output to 1 for 2 clock cycles. Here is what I designed: But the problem is it turns the output to 1, one clock cycle late IE if it encountered 0110 it doesn't turn output to 1 but instead it turns output to 1 on next positive edge of clk as you can.

Last time, I presented a Verilog code together with Testbench for Sequence Detector using FSM. The sequence being detected was '1011'.

This VHDL project presents a full VHDL code for Moore FSM Sequence Detector. A VHDL Testbench is also provided for simulation. The sequence to be detected is '1001'.

Mealy sequence detector

The Moore FSM state diagram for the sequence detector is shown in the following figure.

VHDL code for Moore FSM Sequence Detector is designed based on Moore FSM's state diagram and block diagram:

VHDL Testbench for Sequence Detector using Moore FSM:

Simulation Waveform for Moore FSM Sequence Detector in VHDL:

As shown in the simulation waveform of the VHDL Moore FSM sequence detector, the detector output only goes high when the sequence '1001' is detected.
Verilog code for Moore FSM Sequence Detector: here.
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0110 Sequence Detector

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Sequence

Last time, I presented a Verilog code together with Testbench for Sequence Detector using FSM. The sequence being detected was '1011'. This VHDL project presents a full VHDL code for Moore FSM Sequence Detector. A VHDL Testbench is also provided for simulation. The sequence to be detected is '1001'. I asked to design a sequence detector to detect 0110 and when this sequence happend turn it's output to 1 for 2 clock cycles. Here is what I designed: But the problem is it turns the output to 1, one clock cycle late IE if it encountered 0110 it doesn't turn output to 1 but instead it turns output to 1 on next positive edge of clk as you can.

Last time, I presented a Verilog code together with Testbench for Sequence Detector using FSM. The sequence being detected was '1011'.

This VHDL project presents a full VHDL code for Moore FSM Sequence Detector. A VHDL Testbench is also provided for simulation. The sequence to be detected is '1001'.


The Moore FSM state diagram for the sequence detector is shown in the following figure.

VHDL code for Moore FSM Sequence Detector is designed based on Moore FSM's state diagram and block diagram:

VHDL Testbench for Sequence Detector using Moore FSM:

Simulation Waveform for Moore FSM Sequence Detector in VHDL:

As shown in the simulation waveform of the VHDL Moore FSM sequence detector, the detector output only goes high when the sequence '1001' is detected.
Verilog code for Moore FSM Sequence Detector: here.
Recommended VHDL projects:
1. What is an FPGA? How VHDL works on FPGA
2. VHDL code for FIFO memory
3. VHDL code for FIR Filter
4. VHDL code for 8-bit Microcontroller
5. VHDL code for Matrix Multiplication
6. VHDL code for Switch Tail Ring Counter
7. VHDL code for digital alarm clock on FPGA
8. VHDL code for 8-bit Comparator
9. How to load a text file into FPGA using VHDL
10. VHDL code for D Flip Flop
11. VHDL code for Full Adder
12. PWM Generator in VHDL with Variable Duty Cycle
13. VHDL code for ALU
14. VHDL code for counters with testbench
15. VHDL code for 16-bit ALU
16. Shifter Design in VHDL
17. Nonlinear Lookup Table Implementation in VHDL
18. Cryptographic Coprocessor Design in VHDL
20. VHDL Code for Clock Divider on FPGA
21. Generate clock enable signal in VHDL
22. VHDL code for debouncing buttons on FPGA
23. VHDL code for Traffic light controller
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25. VHDL code for a single-port RAM
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27. VHDL coding vs Software Programming

Applications Of Sequence Detector

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