RGIO
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);
val = LPC_READ_REG(chan, RGIO);
LPC_WRITE_REG(chan, RGIO, val);