I2S_INTCR
val = RD4(sc, I2S_INTCR);
WR4(sc, I2S_INTCR, val);
val = RD4(sc, I2S_INTCR);
WR4(sc, I2S_INTCR, val);
val = RD4(sc, I2S_INTCR);
WR4(sc, I2S_INTCR, val);