45.7 Register Summary


Offset	Name	Bit Pos.	7	6	5	4	3	2	1	0
0x00	TWIHS_CR	31:24			FIFODIS	FIFOEN		LOCKCLR		THRCLR
		23:16							ACMDIS	ACMEN
		15:8	CLEAR	PECRQ	PECDIS	PECEN	SMBDIS	SMBEN	HSDIS	HSEN
		7:0	SWRST	QUICK	SVDIS	SVEN	MSDIS	MSEN	STOP	START
0x00	TWIHS_CR (FIFO_ENABLED)	31:24			FIFODIS	FIFOEN		TXFLCLR	RXFCLR	TXFCLR
		23:16							ACMDIS	ACMEN
		15:8	CLEAR	PECRQ	PECDIS	PECEN	SMBDIS	SMBEN	HSDIS	HSEN
		7:0	SWRST	QUICK	SVDIS	SVEN	MSDIS	MSEN	STOP	START
0x04	TWIHS_MMR	31:24
		23:16		DADR[6:0]
		15:8				MREAD			IADRSZ[1:0]
		7:0
0x08	TWIHS_SMR	31:24	DATAMEN	SADR3EN	SADR2EN	SADR1EN
		23:16		SADR[6:0]
		15:8		MASK[6:0]
		7:0		SCLWSDIS			SMHH	SMDA		NACKEN
0x0C	TWIHS_IADR	31:24
		23:16	IADR[23:16]
		15:8	IADR[15:8]
		7:0	IADR[7:0]
0x10	TWIHS_CWGR	31:24				HOLD[4:0]
		23:16				CKSRC		CKDIV[2:0]
		15:8	CHDIV[7:0]
		7:0	CLDIV[7:0]
0x14 ... 0x1F	Reserved
0x20	TWIHS_SR	31:24							SDA	SCL
		23:16	LOCK		SMBHHM	SMBDAM	PECERR	TOUT		MCACK
		15:8					EOSACC	SCLWS	ARBLST	NACK
		7:0	UNRE	OVRE	GACC	SVACC	SVREAD	TXRDY	RXRDY	TXCOMP
0x20	TWIHS_SR (FIFO_ENABLED)	31:24							SDA	SCL
		23:16	TXFLOCK		SMBHHM	SMBDAM	PECERR	TOUT		MCACK
		15:8					EOSACC	SCLWS	ARBLST	NACK
		7:0	UNRE	OVRE	GACC	SVACC	SVREAD	TXRDY	RXRDY	TXCOMP
0x24	TWIHS_IER	31:24
		23:16			SMBHHM	SMBDAM	PECERR	TOUT		MCACK
		15:8					EOSACC	SCL_WS	ARBLST	NACK
		7:0	UNRE	OVRE	GACC	SVACC		TXRDY	RXRDY	TXCOMP
0x28	TWIHS_IDR	31:24
		23:16			SMBHHM	SMBDAM	PECERR	TOUT		MCACK
		15:8					EOSACC	SCL_WS	ARBLST	NACK
		7:0	UNRE	OVRE	GACC	SVACC		TXRDY	RXRDY	TXCOMP
0x2C	TWIHS_IMR	31:24
		23:16			SMBHHM	SMBDAM	PECERR	TOUT		MCACK
		15:8					EOSACC	SCL_WS	ARBLST	NACK
		7:0	UNRE	OVRE	GACC	SVACC		TXRDY	RXRDY	TXCOMP
0x30	TWIHS_RHR	31:24
		23:16
		15:8
		7:0	RXDATA[7:0]
0x30	TWIHS_RHR (FIFO_ENABLED)	31:24	RXDATA3[7:0]
		23:16	RXDATA2[7:0]
		15:8	RXDATA1[7:0]
		7:0	RXDATA0[7:0]
0x34	TWIHS_THR	31:24
		23:16
		15:8
		7:0	TXDATA[7:0]
0x34	TWIHS_THR (FIFO_ENABLED)	31:24	TXDATA3[7:0]
		23:16	TXDATA2[7:0]
		15:8	TXDATA1[7:0]
		7:0	TXDATA0[7:0]
0x38	TWIHS_SMBTR	31:24	THMAX[7:0]
		23:16	TLOWM[7:0]
		15:8	TLOWS[7:0]
		7:0					PRESC[3:0]
0x3C ... 0x3F	Reserved
0x40	TWIHS_ACR	31:24							NPEC	NDIR
		23:16	NDATAL[7:0]
		15:8							PEC	DIR
		7:0	DATAL[7:0]
0x44	TWIHS_FILTR	31:24
		23:16
		15:8						THRES[2:0]
		7:0						PADFCFG	PADFEN	FILT
0x48 ... 0x4B	Reserved
0x4C	TWIHS_SWMR	31:24	DATAM[7:0]
		23:16		SADR3[6:0]
		15:8		SADR2[6:0]
		7:0		SADR1[6:0]
0x50	TWIHS_FMR	31:24			RXFTHRES[5:0]
		23:16			TXFTHRES[5:0]
		15:8
		7:0			RXRDYM[1:0]				TXRDYM[1:0]
0x54	TWIHS_FLR	31:24
		23:16			RXFL[5:0]
		15:8
		7:0			TXFL[5:0]
0x58 ... 0x5F	Reserved
0x60	TWIHS_FSR	31:24
		23:16
		15:8
		7:0	RXFPTEF	TXFPTEF	RXFTHF	RXFFF	RXFEF	TXFTHF	TXFFF	TXFEF
0x64	TWIHS_FIER	31:24
		23:16
		15:8
		7:0	RXFPTEF	TXFPTEF	RXFTHF	RXFFF	RXFEF	TXFTHF	TXFFF	TXFEF
0x68	TWIHS_FIDR	31:24
		23:16
		15:8
		7:0	RXFPTEF	TXFPTEF	RXFTHF	RXFFF	RXFEF	TXFTHF	TXFFF	TXFEF
0x6C	TWIHS_FIMR	31:24
		23:16
		15:8
		7:0	RXFPTEF	TXFPTEF	RXFTHF	RXFFF	RXFEF	TXFTHF	TXFFF	TXFEF
0x70 ... 0xE3	Reserved
0xE4	TWIHS_WPMR	31:24	WPKEY[23:16]
		23:16	WPKEY[15:8]
		15:8	WPKEY[7:0]
		7:0								WPEN
0xE8	TWIHS_WPSR	31:24	WPVSRC[23:16]
		23:16	WPVSRC[15:8]
		15:8	WPVSRC[7:0]
		7:0								WPVS

SAMA5D2 Series

45.7 Register Summary