Chip Designing for ASIC/ FPGA Design engineers and Students
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Following example shows the declaration of Verilog FOR loop.
First of all FOR loop is completely synthesizable construct. These are used when speed of digital hardware is critical and there is not much limitation on hardware utilization. With FOR loops we are basically instantiating same hardware circuit multiple times.
Verilog FOR loop -
FOR loops in digital design.
Most commonly asked questions for Verilog and SystemVerilog are listed below.
Most commonly asked questions for Verilog and SystemVerilog are listed below.
initial begin
for (i=0; i < 4; i=i+1)
$display("%d:%h", i, data[i]);
end
for (i=0; i < 4; i=i+1)
$display("%d:%h", i, data[i]);
end
Digital design always involves trade-off between speed and area. In case of FPGA’s the resources are limited and its recommended to carefully evaluate the use of FOR loops. Alternate approach is to pipeline design, its discussed on FCD at link. Complete usage is discussed is complete rtl example.
Digital Logic fundamentals topics @ fcd
Digital basics tutorial
Binary number discussion, 1 and 2 complement discussion,
Binary arithmetic, Signed Magnitude, overflow, examples
Gray coding, Binary coded digital (BCD) coding, BCD addition
Digital logic gates basic (AND, OR, XOR, NOT) and derived (NAND, NOR and XNOR). Drive XOR from NAND gates. Drive XOR from NOR gates
Discussion of Boolean Algebra with examples.
Duality Principle, Huntington Postulates, Theorems of Boolean Algebra - discussion with examples, Boolean Functions, Canonical and Standard Forms, Minterms and Maxterms
Sum of Minterms, Product of Maxterms or Canonical Forms,
Karnaugh map or K-map discussion 2, 3, ,4 and 5 var’s
Prime Implicant and Gate level minimization examples.
Digital basics tutorial
Binary number discussion, 1 and 2 complement discussion,
Binary arithmetic, Signed Magnitude, overflow, examples
Gray coding, Binary coded digital (BCD) coding, BCD addition
Digital logic gates basic (AND, OR, XOR, NOT) and derived (NAND, NOR and XNOR). Drive XOR from NAND gates. Drive XOR from NOR gates
Discussion of Boolean Algebra with examples.
Duality Principle, Huntington Postulates, Theorems of Boolean Algebra -
Karnaugh map or K-
Prime Implicant and Gate level minimization examples.
Introduction to Verilog RTL
Verilog Operators.
Initial Statements in verilog.
Clock and Reset generation.
Blocking vs. Non-blocking Statements.
Conditional Statements & ‘always’ block.
Counter Implementation.
File Operations - $fopen, $fclose, $fdisplay, $fscanf
Read binary or hex format files - $readmemh, $readmemb.
FOR Loop use in verilog code example
Verilog Operators.
Initial Statements in verilog.
Clock and Reset generation.
Blocking vs. Non-
Conditional Statements & ‘always’ block.
Counter Implementation.
File Operations -
Read binary or hex format files -
FOR Loop use in verilog code example
Question. Can we synthesize FOR loops to replicate hardware or fpga ?
Question. Is it valid or smart coding style to freely use FOR loops in RTL? Can we do increment using for loops? (yes)
Answer to above questions is elaborated below:
Question. Is it valid or smart coding style to freely use FOR loops in RTL? Can we do increment using for loops? (yes)
Answer to above questions is elaborated below:
Cloud Computing ?
Whenever a document or photo is uploaded on the web, a thread of cloud computing is active. Learn more from here.
Whenever a document or photo is uploaded on the web, a thread of cloud computing is active. Learn more from here.
Evolved Packet Core (EPC) system architecture for all IP.Mobility Management Entity (MME),
Serving System (S) Architecture (A) Evolution (E) Gateway or Serving Gateway SGW.
Packet Data Network (PDN) SAE Gateway
Enhanced Packet Data Gateway (ePDG)
Serving System (S) Architecture (A) Evolution (E) Gateway or Serving Gateway SGW.
Packet Data Network (PDN) SAE Gateway
Enhanced Packet Data Gateway (ePDG)
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Cloud Computing ?
Whenever a document or photo is uploaded on the web, a thread of cloud computing is active.
Whenever a document or photo is uploaded on the web, a thread of cloud computing is active.
Interview Questions. Main, FPGA, Digital Fundamentals
Resources
Verilog RTL code examples for front-end chip design.
Digital Design Topics
Half-adder , full-adder ,
Adder-sub tractor
Stack Organization - LIFO, RPN
Parity Generation and error checking
Binary multiplier circuit.
CMOS introduction
Digital fundamentals -
RTL coding guidelines. ICG cell, Assertions, $assertkill, levels. Chandle
Pipeline vs. Parallel
Verilog RTL code examples for front-
Digital Design Topics
Half-
Adder-
Stack Organization -
Parity Generation and error checking
Binary multiplier circuit.
CMOS introduction
Digital fundamentals -
RTL coding guidelines. ICG cell, Assertions, $assertkill, levels. Chandle
Pipeline vs. Parallel