Altera SDC and TimeQuest API Manuel d'utilisateur télécharger pdf (Page 157)

Chapter 2: SDC and TimeQuest API Package and Commands 2–147

sta

report_tccs

Usage

report_tccs [-append] [-file <name>] [-panel_name <name>] [-stdout]

Options

-append: If output is sent to a file, this option appends the result to that file.

Otherwise, the file will be overwritten

-file <name>: Sends the results to an ASCII or HTML file. Depending on the extension

-panel_name <name>: Sends the results to the panel and specifies the name of the new

panel

-stdout: Send output to stdout, via messages. You only need to use this option if you

have selected another output format, such as a file, and would also like to receive

messages.

Description

Reports TCCS for dedicated LVDS transmitters.

In designs that implement the LVDS I/O standard, transmitter channel-to-channel skew (TCCS) is the

timing difference between the fastest and slowest output transitions, including tco variations and clock

skew.

Example

project_open top

create_timing_netlist

read_sdc

update_timing_netlist

# Show lvds information

report_tccs

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 167 168

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Altera SDC and TimeQuest API Manuel d'utilisateur Page 157