SCFDR2_RECVCNT
if ((scif_fdr_read() & SCFDR2_RECVCNT) != 0) {
count = scif_fdr_read() & SCFDR2_RECVCNT;
while ((scif_fdr_read() & SCFDR2_RECVCNT) == 0)
i = scif_fdr_read() & SCFDR2_RECVCNT;