MR1_CS8
scn_config(unit, channel, speed, speed, MR1_PNONE | MR1_CS8, MR2_STOP1);
mr1 |= MR1_CS8;
MR1_PNONE | MR1_CS8, MR2_STOP1);
qvaux_write2(sc, sc->sc_qr.qr_ch_regs[0].qr_mr, MR1_CS8 | MR1_PNONE);
qvaux_write2(sc, sc->sc_qr.qr_ch_regs[1].qr_mr, MR1_CS8 | MR1_PODD);
mr1 |= MR1_CS8;