Significantly optimized for 16MHz AVR Arduino boards (2.5-5x faster than other libraries) Achieved 6.9Mbps SPI transfer rate (at DIV2/16MHz clock) After recent optimizations (more AVR assembler) all ...

Significantly optimized for 16MHz AVR Arduino boards (2.5-5x faster than other libraries). Achieved 6.9Mbps SPI transfer rate (at DIV2/16MHz clock) In compatiliblity ...