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Altera_Forum
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10 years ago

Selecting the correct Altera CPLD for LED signal decodings

Hello! I am new to this forum and also to CPLDs... I am working on a project and in the middle it has been decided to include a more advanced LED panel than what was planned initially. This woul...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

The datasheet specifies 40 LEs on page 1-2, 4 Long LAB Rows on page 2-3, 10 LE/row * 4 = 40

I have no good idea how they arrive at 24 Total LABs. I guess they only produce 4 type of die and enable/disable functionality according to the 'sold' item, which means that out of 24 LABs a 5M40Z only has 4 LABs enabled/operational