The synthetic_library for DesignWare is crucial. If you miss this, your multiplier or ALU synthesis will fail.
: Designers define design rules and goals, such as clock speed, input/output delays, and area limits, using Synopsys Design Constraints (SDC). Optimization & Compilation
Are you dealing with any or specific low-power constraints ?
# ---------------------------------------- # Synopsys DC 2021 Tutorial Script # ---------------------------------------- synopsys design compiler tutorial 2021
report_constraint -all_violators report_timing -delay_type max -max_paths 5 > reports/timing_setup.rpt report_timing -delay_type min -max_paths 5 > reports/timing_hold.rpt report_area > reports/area.rpt report_power > reports/power.rpt Use code with caution. Step 6: Exporting Outputs
# Elaborate the top module elaborate my_top_module
Inputs Outputs +-----------------------+ +-----------------------+ | RTL Code (.v, .sv) |--+ +--> Gate Netlist (.v) | +-----------------------+ | | +-----------------------+ | +----------------+ | +-----------------------+ +-->| |---+ +-----------------------+ | Target Libs (.db) |----->| Design Compiler|----->| SDC Constraints | +-----------------------+ +-->| |---+ +-----------------------+ | +----------------+ | +-----------------------+ | | +-----------------------+ | Constraints (.sdc) |--+ +--> Design Reports (.txt)| +-----------------------+ +-----------------------+ 2. Directory Structure and Environment Setup The synthetic_library for DesignWare is crucial
Registering the outputs of your sub-modules simplifies timing budgeting. It makes input and output delays predictable across chip boundaries.
This 2021 tutorial focuses on the modern and the core commands needed to navigate the synthesis flow effectively. 1. Understanding the Synthesis Flow
After elaboration, you must resolve references and check the design structure. Optimization & Compilation Are you dealing with any
Are you encountering specific in your design?
Comprehensive Guide to Synopsys Design Compiler Synopsys Design Compiler (DC) is the industry-standard RTL synthesis tool. It transforms Hardware Description Language (HDL) code into an optimized, technology-specific gate-level netlist. This tutorial provides a structured, production-ready workflow for executing logic synthesis using Design Compiler. 1. Introduction to Logic Synthesis
# Assume the output signal must be ready 2ns before the next clock edge set_output_delay -max 2 -clock clk [get_ports data_out]
If a combinational path between two registers is too long, use register retiming to move registers across combinational logic gates. This rebalances path delays without altering the design's functionality.