orcad tools meanings

[svg]

Hi,


what is the difference between off-page connector and port???it it related with hierarchical design means then what hierarchical design means???if anybody knw the answer plz repli 4 me....thanq

 

[sivamani]

off-page connector -- for interfage connectivity
port -- for hierarchical design

 

[svg]

hierarchical design means????

 

[sivamani]

If you have big design and multiple reuse.then hierarchical design helps,where you can create circuits for sub modules independently in different schematics and finally u can link them to top module to complete your design.

and also

if u want use the same circuit in different places in ur sch then instead of doing sch entry multiple times you can reuse the existing circuit.
for more info refer

https://www.edaboard.com/threads/92408/

 

[kabaleevisu]

what is the step for hierarchical design do you have sample hierarchical design file ??

 

[sivamani]

Pls go thru this

https://paws.wcu.edu/pyanik/documents/OrCAD_PSpice_Tutorial.pdf

 

[svg]

If you have big design and multiple reuse.then hierarchical design helps,where you can create circuits for sub modules independently in different schematics and finally u can link them to top module to complete your design.

and also

if u want use the same circuit in different places in ur sch then instead of doing sch entry multiple times you can reuse the existing circuit.
for more info refer

https://www.edaboard.com/threads/92408/

thanks alot....i go thru the link....what i understand is....for repeated ckt we are using hierarchical design,make that ckt as block and link with dat page which we want the repeated ckt isn't it????

 

[sivamani]

Yes and This will make more comfortable when ur doing reviews for big projects..

 

[svg]

ok ok....one more que!!!

WARNING: [DRC0006] Net has fewer than two connections I2C1_SCL
SCHEMATIC1, 020 - SERIAL IO (13.20, 8.60)

how to correct this type of warnings????do u knw???

 

[sivamani]

single pin nets.. it is not connected other end properly may be off page connector or naming issues..

 

[svg]

if the other end is not connected means the pblm due to improper connection...it means the pin is in floating not connectod to other net.....am i crt????

 

[sivamani]

Yes it is floating other end... check the signal both sides and if it is in different page then check the off page connector placement.

 

[svg]

kk i understood....tanq so much....