3 read n bytes as a slave, To read n bytes as a slave, Return from interrupt – Intel PXA26X User Manual

Page 357: Set icr[tb] bit to initiate the transfer, Read idbr to get the received byte, Write a 1 to the isr[irf] bit to clear interrupt, Write a 1 to the isr[ssd] bit to clear interrupt, 6 master programming examples, 1 initialize unit, To initialize the unit