what is the largest memory size which can fit in t...
# sky130s
Shabbar Vejlani
09/11/2022, 9:09 AMwhat is the largest memory size which can fit in the caravel user area, assuming entire user area is used only for memory implementation (assume using OpenRam for generating memory gds)?
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Matt Venn
09/11/2022, 9:14 AMAbout 16kbyte I think
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Shabbar Vejlani
09/11/2022, 9:27 AMcool, thanks.. I understand we have some off chip RAM on the pcb board too. what is its size, is it only for instruction or also data ?
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Matt Venn
09/11/2022, 9:28 AMFlash, for the firmware
Matt Venn
09/11/2022, 9:28 AMDon't know if they have chosen a part yet
Matt Venn
09/11/2022, 9:28 AMCheck #caravel-board
👍 1
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NguyenDao
09/11/2022, 8:33 PMIt can be more than 20KByte, this https://github.com/Nguyen-C-Dao/caravel_rocket_alpha has 21KB for the caches
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Lab Lecture
09/13/2022, 11:21 AMTheoretically, its (3500 x 3000) / (700 x 400) = 37.5 x 2 = 75 KB. But practically, one can squize 64-68 KB of OpenRam memory inside user project area of 10 sqmm.
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Shabbar Vejlani
09/14/2022, 3:11 AMthanks for the calculation! is there any dedicated open channel on slack for OpenRam?
Shabbar Vejlani
09/14/2022, 3:12 AMgot it.