ATtiny3216/3217

9.4 Register Summary


Offset	Name	Bit Pos.	7	2	1	0
0x00	CTRLA	7:0		CMD[2:0]
0x01	CTRLB	7:0			BOOTLOCK	APCWP
0x02	STATUS	7:0		WRERROR	EEBUSY	FBUSY
0x03	INTCTRL	7:0				EEREADY
0x04	INTFLAGS	7:0				EEREADY
0x05	Reserved
0x06	DATA	7:0	DATA[7:0]
0x06	DATA	15:8	DATA[15:8]
0x08	ADDR	7:0	ADDR[7:0]
0x08	ADDR	15:8	ADDR[15:8]

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