/* * FT0, FT1: Fifo Threshold select. * * FT1 FT0 Word-width Byte-width * 0 0 1 word 2 bytes * 0 1 2 words 4 bytes * 1 0 4 words 8 bytes * 1 1 8 words 12 bytes * * During transmission, the FIFO threshold indicates the number of bytes or * words that the FIFO has filled from the local DMA before BREQ is asserted. * The transmission threshold is 16 bytes minus the receiver threshold. */