RCBR
#define RCBR 0x40 /* Receive clock = BR Generator output */
#define RCBR 0x40 /* Receive clock = BR Generator output */
#define RCBR 0x40 /* Receive clock = BR Generator output */
#define RCBR 0x40 /* Receive clock = BR Generator output */
#define RCBR 0x40 /* Receive clock = BR Generator output */