ATtiny3216/3217

25.4 Register Summary


Offset	Name	Bit Pos.	7	6	5	4	2	1	0
0x00	CTRLA	7:0		DORD	MASTER	CLK2X	PRESC[1:0]		ENABLE
0x01	CTRLB	7:0	BUFEN	BUFWR			SSD	MODE[1:0]
0x02	INTCTRL	7:0	RXCIE	TXCIE	DREIE	SSIE			IE
0x03	INTFLAGS	7:0	IF	WRCOL
0x03	INTFLAGS	7:0	RXCIF	TXCIF	DREIF	SSIF			BUFOVF
0x04	DATA	7:0	DATA[7:0]

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