UCCE_HDLC_TX_EVENTS
(UCCE_HDLC_RX_EVENTS | UCCE_HDLC_TX_EVENTS) << 16);
if ((ucce >> 16) & (UCCE_HDLC_RX_EVENTS | UCCE_HDLC_TX_EVENTS)) {
uccm &= ~((UCCE_HDLC_RX_EVENTS | UCCE_HDLC_TX_EVENTS)