Datasheet
25
8025MS–AVR–6/11
ATmega48P/88P/168P
12.7 Rev. 8025G-01/09
12.8 Rev. 8025F-08/08
12.9 Rev. 8025E-08/08
1 ATmega48P/88P not recommended for new designs.
2. Updated the footnote Note1 of the Table 9-3 on page 30.
3. Updated the Table 9-5 on page 31 by removing a footnote Note1.
4. Updated the Table 9-11 on page 34 by removing a footnote Note1.
5. Updated the footnote Note1 of the Table 9-13 on page 35.
6. Updated the footnote Note2 of the ”ATmega48P DC Characteristics” on page 310
and removed TBD from the table.
7. Updated the footnote Note2 of the ”ATmega88P DC Characteristics” on page 311
and removed TBD from the table.
8. Updated the footnote Note2 of the ”ATmega168P DC Characteristics” on page 311
and removed TBD from the table.
9. Updated the footnote Note2 of the ”” on page 312 and removed TBD from the table.
10. Updated the footnote Note1 of the Table 29-4 on page 314.
11. Replaced the Figure 30-69 on page 358 by a correct one.
12. Replaced the Figure 29-173 on page 419 by a correct one.
13. Updated ”Errata” on page 23.
14. Updated ”MCUCR – MCU Control Register” on page 44.
15. Updated ”TCCR2B – Timer/Counter Control Register B” on page 159.
1. Updated ”Register Summary” on page 9 with Power-save numbers.
2. Added ATmega328P ”Standby Supply Current” on page 408.
1. Updated description of ”Stack Pointer” on page 13.
2. Updated description of use of external capacitors in ”Low Frequency Crystal Oscilla-
tor” on page 33.
3. Updated Table 9-10 in ”Low Frequency Crystal Oscillator” on page 33.
4. Added note to ”Address Match Unit” on page 220.
5. Added section ”Reading the Signature Row from Software” on page 283.
6. Updated ”Program And Data Memory Lock Bits” on page 291 to include
ATmega328P in the description.
7. Added ”” on page 312.
8. Updated ”Speed Grades” on page 312 for ATmega328P.
9. Removed note 6 and 7 from the table ”2-wire Serial Interface Characteristics” on
page 317.
10. Added figure ”Minimum Reset Pulse width vs. V
CC
.” on page 346 for ATmega48P.
11. Added figure ”Minimum Reset Pulse width vs. V
CC
.” on page 370 for ATmega88P.
12. Added figure ”Minimum Reset Pulse width vs. V
CC
.” on page 394 for ATmega168P.
13. Added ”Register Summary” on page 9.
14. Updated Ordering Information for ”Packaging Information” on page 19.