789-

st789ST789: a new synthetic immunomodulator Thymus. 1992:19 Suppl 1:S1-5. Authors C De Simone 1 , E A Martelli. Affiliation 1 Cattedra Malattie Infettive, Dipartimento di Medicina Sperimentale,Snificantly optimized for 16MHz AVR Arduino boards (2.5-5x faster than other libraries). Achieved 6.9Mbps SPI transfer rate (at DIV216MHz clock) In compatiliblity mode it could work with other MCUs, but I didn't test it.