Datasheet

31
2545TS–AVR–05/11
ATmega48/88/168
12.6 Rev. 2545O-02/09
12.7 Rev. 2545N-01/09
12.8 Rev. 2545M-09/07
12.9 Rev. 2545L-08/07
12.10 Rev. 2545K-04/07
1. Changed minimum Power-on Reset Threshold Voltage (falling) to 0.05V in Table 28-
3 on page 306.
2. Removed section “Power-on slope rate” from “System and reset characteristics” on
page 306.
1. Updated “Features” on page 1 and added the note “Not recommended for new
designs”.
2. Merged the sections Resources, Data Retention and About Code Examples under
one common section, “Resources” on page 7.
3. Updated Figure 8-4 on page 34.
4. Updated “System clock prescaler” on page 35.
5. Updated “Alternate functions of port B” on page 77.
6. Added section “” on page 306.
7. Updated “Pin thresholds and hysteresis” on page 329.
1. Added “Data retention” on page 7.
2. Updated “ADC characteristics” on page 310.
3. “Preliminary“ removed through the datasheet.
1. Updated “Features” on page 1.
2. Updated code example in “MCUCR – MCU control register” on page 63.
3. Updated “System and reset characteristics” on page 306.
4. Updated Note in Table 8-3 on page 29, Table 8-5 on page 30, Table 8-8 on page 33,
Table 8-10 on page 33.
1. Updated “Interrupts” on page 55.
2. Updated“Errata Atmel ATmega48” on page 22 .
3. Changed description in “Analog-to-digital converter” on page 243.