//SSR
#define bitp_TDRE		7
#define bitp_RDRF		6
#define bitp_ORER		5
#define bitp_FER		4
#define bitp_PER		3
#define bitp_TEND		2
#define bitp_MPB		1
#define bitp_MPBT		0

//SCR
#define bitp_TIE		7
#define bitp_RIE		6
#define bitp_TE			5
#define bitp_RE			4
#define bitp_MPIE		3
#define bitp_TEIE		2
#define bitp_CKE1		1
#define bitp_CKE0		0