32.9 Register Summary - I2C Host


Offset	Name	Bit Pos.	7	6	5	4	3	2	1	0
0x00	CTRLA	7:0	RUNSTDBY			MODE[2:0]			ENABLE	SWRST
		15:8
		23:16	SEXTTOEN	MEXTTOEN	SDAHOLD[1:0]					PINOUT
		31:24		LOWTOUT	INACTOUT[1:0]		SCLSM		SPEED[1:0]
0x04	CTRLB	7:0
		15:8							QCEN	SMEN
		23:16						ACKACT	CMD[1:0]
		31:24
0x08	CTRLC	7:0
		15:8
		23:16
		31:24								DATA32B
0x0C	BAUD	7:0	BAUD[7:0]
		15:8	BAUDLOW[7:0]
		23:16
		31:24
0x10 ... 0x13	Reserved
0x14	INTENCLR	7:0	ERROR						SB	MB
0x15	Reserved
0x16	INTENSET	7:0	ERROR						SB	MB
0x17	Reserved
0x18	INTFLAG	7:0	ERROR						SB	MB
0x19	Reserved
0x1A	STATUS	7:0	CLKHOLD	LOWTOUT	BUSSTATE[1:0]			RXNACK	ARBLOST	BUSERR
0x1A	STATUS	15:8						LENERR	SEXTTOUT	MEXTTOUT
0x1C	SYNCBUSY	7:0						SYSOP	ENABLE	SWRST
		15:8
		23:16
		31:24
0x20 ... 0x23	Reserved
0x24	ADDR	7:0	ADDR[7:0]
		15:8	TENBITEN		LENEN			ADDR[10:8]
		23:16	LEN[7:0]
		31:24
0x28	DATA	7:0	DATA[7:0]
		15:8	DATA[15:8]
		23:16	DATA[23:16]
		31:24	DATA[31:24]
0x2C ... 0x2F	Reserved
0x30	DBGCTRL	7:0								DBGSTOP