CCR0_TE
ctrl |= CCR0_TIE | CCR0_TE;
ccr0_val &= ~CCR0_TE;
ccr0_val |= CCR0_TE;
rsci_serial_out(port, CCR0, ctrl & ~CCR0_TE);
.rxtx_enable = CCR0_RE | CCR0_TE,
.te_clear = CCR0_TE | CCR0_TEIE,