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Altera_Forum's avatar
Altera_Forum
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11 years ago

SPI problem

Hi, I prepare design with NiosII and SPI bus with 4 slaves. All slaves have different SPI standard (I mean clock polarity and clock phase to data). Is there a possibility to change SPI setup by the s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Search on opencores.org for free SPI cores.

HW resource usage is little affected by the number of slaves (you only need one extra CS line for each new slave). It is dependent on the features you need to implement. For example a fixed sclk frequency core would consume far less resources compared to a core with programmable frequency .