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- Problem: Design a simple ALU using VHDL capable of performing the operations listed on the table on the left. - The ALU shall be capable of operating on 12-bit, two's complement binary numbers and activate flags for overflow (O), carry (C), zero (Z), and sign (S) conditions. - Operations shall be specified via a 4-bit opcode (OC) fed to the ALU along with the operands. Operands shall be fed to the ALU in the form of 16-bit values in a sequence of one or two cycles, producing results in the next cycle. - Results shall be in the form [status)[result], where [status] is a 4-bit code in the form [OCZS] in the four most significant bits and a 12-bit result in the remaining bits. - Two-operand functions: Require two input cycles. The first cycle feeds operand A aligned in bits 11 down to 0. Bits 15 down to 12 will include a NOP opcode in the form 1111. Operand B shall be fed in the same fashion as operand A, replacing the NOP bits with the opcode of the requested operation. - Specitying a NOP in the 2nd cycle shall produce an error result Your task is to design and simulate this ALU with all flags set and an all ones result - One-operand functions: Operate only on A with opcode - Implement your ALU using VHDL. Simulate its operation specified in the first cycle instead of NOP. Entering a twousing a file-fed testbench. Verify that the ALU produces operand opcode in the 1st cycle causes the operand to be correct results for all supported operations, including the operated on itself. For example, specitying opcode 0011 (MUL) status flags being set correctly for each operation. in the 1 st cycle produces AA=A2 - Your ALU shall be optimized for speed and perlorm each - Flags shall function as follows: operation within a single clock cycle. The multiplication - Overliow (OF): Shall be set when the result of an operation operation should be implemented using a combinational overtlows the range of values that can be represented in the circuit or a pipeline, as appropriate. ALU output. - Carry (CF): Shall be set when an operation generates a carry. - Ensure that the input and output signals are properly out of the most significant bit position. synchronized with the rising edge of the clock signal. - Zero (ZF): shall be set when the result of an operation is zero. - You should provide a report with a brief description of your - Sign (SF): Shall be set when the result of an operation is design, your VHDL code, the simulation results, and a brief negative. discussion of any challenges or issues that you - Example: Adding A=4A6h to B=54Bh encountered during the design process. - Cycle 0: F4A6h - The instructor will provide a file with 256 random test - Cycle 1:054Bh vectors and operations to assess the functionality of your The next cycle (Cycle 2) shall produce the result 19F1 design..
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![- Problem: Design a simple ALU using VHDL capable of performing the operations listed on
the table on the left. - The ALU shall be capable of operating on 12-bit, two's complement binary
numbers and activate flags for overflow (O), carry (C), zero (Z), and sign (S) conditions. -
Operations shall be specified via a 4-bit opcode (OC) fed to the ALU along with the operands.
Operands shall be fed to the ALU in the form of 16-bit values in a sequence of one or two cycles,
producing results in the next cycle. - Results shall be in the form [status)[result], where [status] is
a 4-bit code in the form [OCZS] in the four most significant bits and a 12-bit result in the
remaining bits. - Two-operand functions: Require two input cycles. The first cycle feeds operand
A aligned in bits 11 down to 0. Bits 15 down to 12 will include a NOP opcode in the form 1111.
Operand B shall be fed in the same fashion as operand A, replacing the NOP bits with the
opcode of the requested operation.
- Specitying a NOP in the 2nd cycle shall produce an error result Your task is to design and
simulate this ALU with all flags set and an all ones result - One-operand functions: Operate only
on A with opcode - Implement your ALU using VHDL. Simulate its operation specified in the
first cycle instead of NOP. Entering a twousing a file-fed testbench. Verify that the ALU
produces operand opcode in the 1st cycle causes the operand to be correct results for all
supported operations, including the operated on itself. For example, specitying opcode 0011
(MUL) status flags being set correctly for each operation. in the 1 st cycle produces AA=A2 -
Your ALU shall be optimized for speed and perlorm each - Flags shall function as follows:
operation within a single clock cycle. The multiplication - Overliow (OF): Shall be set when the
result of an operation operation should be implemented using a combinational overtlows the
range of values that can be represented in the circuit or a pipeline, as appropriate. ALU output. -
Carry (CF): Shall be set when an operation generates a carry. - Ensure that the input and output
signals are properly out of the most significant bit position. synchronized with the rising edge of
the clock signal. - Zero (ZF): shall be set when the result of an operation is zero. - You should
provide a report with a brief description of your - Sign (SF): Shall be set when the result of an
operation is design, your VHDL code, the simulation results, and a brief negative. discussion of
any challenges or issues that you - Example: Adding A=4A6h to B=54Bh encountered during the
design process. - Cycle 0: F4A6h - The instructor will provide a file with 256 random test -
Cycle 1:054Bh vectors and operations to assess the functionality of your The next cycle (Cycle
2) shall produce the result 19F1 design.](https://image.slidesharecdn.com/problemdesignasimplealuusingvhdlcapableofperformingtheo-230328094506-4b5411d3/85/Problem-Design-a-simple-ALU-using-VHDL-capable-of-performing-the-o-pdf-1-320.jpg)
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- P (parity flag) reflects the number of 1s in the accumulator register. It is set if there is an odd number of 1s and cleared if there is an even number.
- OV (overflow flag) is set when a signed number operation result is too large, indicating overflow into the sign bit. It detects errors in signed arithmetic.
101495802 ee2258-lm-1
This document contains information about homework help resources and the syllabus for an electronics lab course. The syllabus lists 10 experiments involving digital and analog integrated circuits, including studying logic gates, op-amps, timers, counters, and analog-to-digital converters. Key details are provided on the operation and design of inverting/non-inverting amplifiers, differentiators, integrators, and astable/monostable multivibrators using a 555 timer chip. Circuit diagrams and design procedures are provided for several of the experiments.
computer architecture notes
these are notes that will help computer engineering students doing logic design and computer architecture courses
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The document describes the development of a fuzzy logic system for controlling a traffic light using MATLAB and a PLC. It involves creating input and output membership functions in MATLAB, developing rules to evaluate traffic conditions, and testing the fuzzy system in MATLAB before implementing it on a PLC. The fuzzy system reads sensor data on vehicle presence from the PLC and outputs traffic light states. The PLC uses ladder logic to interface between sensors, the fuzzy logic controller block, and traffic lights. The completed fuzzy system is tested in real-time to control traffic lights based on dynamic vehicle conditions.
Sequential Logic
Sequential LogicSchool of Design Engineering Fashion & Technology (DEFT), University of Wales, Newport
The following presentation is a part of the level 4 module -- Digital Logic and Signal Principles. This resources is a part of the 2009/2010 Engineering (foundation degree, BEng and HN) courses from University of Wales Newport (course codes H101, H691, H620, HH37 and 001H). This resource is a part of the core modules for the full time 1st year undergraduate programme.
The BEng & Foundation Degrees and HNC/D in Engineering are designed to meet the needs of employers by placing the emphasis on the theoretical, practical and vocational aspects of engineering within the workplace and beyond. Engineering is becoming more high profile, and therefore more in demand as a skill set, in today’s high-tech world. This course has been designed to provide you with knowledge, skills and practical experience encountered in everyday engineering environments. Basic PLC Symbols and Addresses in LogixPro
An introduction to the basic input and output symbols used in The Learning Pit's LogixPro Simulator for Rockwell/Allen-Bradley SLC500 PLC.
Computer design and architecture with simple cpu
This document describes the design of a binary coded decimal (BCD) adder circuit using a binary adder and additional logic. It explains that BCD represents numbers from 0-9 using 4-bit codes and involves adding 6 to results exceeding 9. The circuit uses a carry lookahead adder (CLA) to compute the sum and carry out of the binary addition. Additional logic checks if the sum exceeds 9, and if so adds 6 to the sum and sets the carry flag. The circuit correctly performs BCD addition and adjusts results to valid BCD codes. Behavior examples are provided for sample additions.
7-Segment Display
This document provides instructions for building a circuit using a 4511 BCD-to-7-segment latch/decoder/driver IC to drive a 7-segment LED display. It describes the parts needed, including the 4511 IC, 7-segment display, resistors, switches and battery. The objectives are to learn how to use the 4511 IC to display decimal numbers based on a 4-bit BCD input and gain familiarity with 7-segment displays and displays. The instructions explain how to connect the circuit and experiment with different input values to light up the display segments and also explore the additional inputs on the 4511 IC.
unit 3.pptx
This document discusses combinational logic and basic digital circuits. It covers topics such as binary arithmetic operations, logic gates, adders, subtractors, encoders, decoders, multiplexers, demultiplexers and arithmetic logic units. Basic concepts like binary addition/subtraction rules, one's complement, two's complement, parity generators/checkers and digital comparators are explained. Common digital circuits like half/full adders, half/full subtractors, BCD to 7 segment decoders are described along with their working principles.
Ec1201
This document contains details of the syllabus for the subject Digital Electronics for the academic year 2011-2012 at Kings College of Engineering. It includes 5 units covering topics such as binary logic, number systems, Boolean algebra, logic gates, combinational logic, sequential circuits, memory and programmable logic. Each unit contains short answer questions and longer 16 mark questions. The questions assess students' understanding of key concepts in digital electronics and their ability to analyze, design and explain various digital components and circuits.
8051.pdf
Here are the steps to interface external RAM to 8051 microcontroller:
1. Connect the RD pin of 8051 to the OE (Output Enable) pin of the external RAM. This will enable the RAM during read operations.
2. Connect the WR pin of 8051 to the WE (Write Enable) pin of the external RAM. This will enable writing into the RAM during write operations.
3. Connect the active low input of a NAND gate to the CE (Chip Enable) pin of the external RAM.
4. Connect the other input of the NAND gate to EA pin of 8051.
5. Connect the output of the NAND gate to the PSEN (Program Store Enable
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Assessment and Planning in Educational technology.pptx
- Problem Design a simple ALU using VHDL capable of performing the o.pdf
- 1. - Problem: Design a simple ALU using VHDL capable of performing the operations listed on the table on the left. - The ALU shall be capable of operating on 12-bit, two's complement binary numbers and activate flags for overflow (O), carry (C), zero (Z), and sign (S) conditions. - Operations shall be specified via a 4-bit opcode (OC) fed to the ALU along with the operands. Operands shall be fed to the ALU in the form of 16-bit values in a sequence of one or two cycles, producing results in the next cycle. - Results shall be in the form [status)[result], where [status] is a 4-bit code in the form [OCZS] in the four most significant bits and a 12-bit result in the remaining bits. - Two-operand functions: Require two input cycles. The first cycle feeds operand A aligned in bits 11 down to 0. Bits 15 down to 12 will include a NOP opcode in the form 1111. Operand B shall be fed in the same fashion as operand A, replacing the NOP bits with the opcode of the requested operation. - Specitying a NOP in the 2nd cycle shall produce an error result Your task is to design and simulate this ALU with all flags set and an all ones result - One-operand functions: Operate only on A with opcode - Implement your ALU using VHDL. Simulate its operation specified in the first cycle instead of NOP. Entering a twousing a file-fed testbench. Verify that the ALU produces operand opcode in the 1st cycle causes the operand to be correct results for all supported operations, including the operated on itself. For example, specitying opcode 0011 (MUL) status flags being set correctly for each operation. in the 1 st cycle produces AA=A2 - Your ALU shall be optimized for speed and perlorm each - Flags shall function as follows: operation within a single clock cycle. The multiplication - Overliow (OF): Shall be set when the result of an operation operation should be implemented using a combinational overtlows the range of values that can be represented in the circuit or a pipeline, as appropriate. ALU output. - Carry (CF): Shall be set when an operation generates a carry. - Ensure that the input and output signals are properly out of the most significant bit position. synchronized with the rising edge of the clock signal. - Zero (ZF): shall be set when the result of an operation is zero. - You should provide a report with a brief description of your - Sign (SF): Shall be set when the result of an operation is design, your VHDL code, the simulation results, and a brief negative. discussion of any challenges or issues that you - Example: Adding A=4A6h to B=54Bh encountered during the design process. - Cycle 0: F4A6h - The instructor will provide a file with 256 random test - Cycle 1:054Bh vectors and operations to assess the functionality of your The next cycle (Cycle 2) shall produce the result 19F1 design.