240
2545T–AVR–05/11
ATmega48/88/168
Figure 22-22. TWI address match logic, block diagram.
• Bit 0 – Res: Reserved bit
This bit is an unused bit in the Atmel ATmega48/88/168, and will always read as zero.
Address
match
Address bit comparator 0
Address bit comparator 6..1
TWAR0
TWAMR0
Address
bit 0
