Modeling S-R Flip flip for HDL code generation
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Sir/Madam,
For the functional model I used S-R flip flop in simulink library. I realized that the model is incompatible with HDL code generation. The HDL work flow section 2.3 flags error message: incompatible with :..Combinatorial Logic' is not supported for HDL code generation. To continue with code generation, comment out this block..."
The error is specific to the combinatorial logic block used in the S-R flip flop model available in the simulink library.
Please point me to an appropriate answer record which implements HDL compatible S-R flip flop model.
Thank You
2 Commenti
Bharath Venkataraman
il 3 Giu 2022
Do you require the S-R flip flop or will the delay block that simulates the behavior of a register meet your needs?
Nathan Ellis
il 31 Lug 2023
Use the unit delay enabled resettable synchronous block and join the u and E lines for the Set signal.
Risposte (1)
Kiran Kintali
il 4 Giu 2022
Attached in an example model that works in 22a release.
2 Commenti
Gregory Chapelle
il 30 Nov 2022
Will this RS model work for the earlier version R2020b if you select "Save>Export Model to>Previous Version"? I would really like to use this too, so could you save this as an earlier version please?
Kiran Kintali
il 30 Nov 2022
It should work in a previous release. You can try Simulink preferences and disable the check that prevents you loading the model in an older version.
Do not load models created with a newer version of Simulink — Option to prevent models created in newer version of Simulink from loading
On (default) | Off
Specify whether to load a model last saved in a newer version of Simulink software.
- When this option is selected and you try to load a model last saved in a newer version of Simulink, the model does not load, and an error message appears in the MATLAB Command Window.
- When this option is cleared and you try to load a model last saved in a newer version of Simulink, the model loads, and a warning message appears in the MATLAB Command Window.
slprivate('showprefs')
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