regarding PWMDB

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regarding PWMDB

Postby sridivya on Mon Feb 27, 2012 5:10 am

hiii..can u please clarify some doubts??i am attaching the figure in zip file...how to set the parameters for the PWMDB?? i have referred to data sheet but couldnt get properly...so please how to set these parameters according to my circuit??

1) Dead time ; if i require 67% duty cycle.

2) dead band kill mode

3)clock sync

4)invert deadband kill

5)invert enable
Attachments
circuit.zip
(24.46 KiB) Downloaded 19 times
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Re: regarding PWMDB

Postby sridivya on Mon Feb 27, 2012 10:33 pm

hi.. i need to get one PWMDB OUTPUT inverted from the other...what options should be modified???
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Re: regarding PWMDB

Postby danadak on Tue Feb 28, 2012 5:12 am

The following might help -

http://www.cypress.com/?docID=33595

Inverting the output can be accomplished via row_output logic
configurator -

Row_output logic.jpg
Row_output logic.jpg (45.59 KiB) Viewed 184 times


The parameters are set in the module parameter window on left hand side of
Designer screen (which can also be set via API and/or appropriate register writes) -

PWMDB8 Global Parameters.jpg
PWMDB8 Global Parameters.jpg (49.42 KiB) Viewed 183 times


Regards, Dana.
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