CyPPR            3210 drivers/tty/cyclades.c 			cy_writeb(base_addr + (CyPPR << index), CyCLOCK_60_2MS);
CyPPR            3213 drivers/tty/cyclades.c 			cy_writeb(base_addr + (CyPPR << index), CyCLOCK_25_5MS);