How many LUT registers does S32K3 has?

[Mateusz_K]

Documentation and SDK differ on this matter: 

[petervlna]

Hello,

Always stick with reference manual. There are 80  LUT registers.

petervlna_0-1716449542306.png

Maybe SDK do not implement all of them.

best regards,
Peter

[Mateusz_K]

I cannot invoke sequences written beyond LUT19, I have no problem invoking sequences written up to LUT 19. What I might be doing wrong? 

[petervlna]

Hello,

I expect that LUT are in groups of 4 as presented in reference manual.

Therefore in header file are only 20 as LUT count.

petervlna_0-1716886843888.png

Best regards,

Peter

[Mateusz_K]

The image that you uploaded says that LUT are grouped in fives, 10 instructions per sequence. There should be 16 sequences, 80 LUT registers

[petervlna · Accepted solution]

Hello,

It depends on the device you are using.

petervlna_0-1717142513036.png

You have 4 words of 5 sequences which will give you 20 for certain devices.

best regards,

Peter