Datasheet

366
2545T–AVR–05/11
ATmega48/88/168
36.12 Rev. 2545I-11/06
36.13 Rev. 2545H-10/06
36.14 Rev. 2545G-06/06
2. Updated Table 1-1 on page 2.
3. Updated “Ordering information” on page 350.
4. Updated “Packaging information” on page 353.
1. Updated “Features” on page 1.
2. Updated Features in “2-wire serial interface” on page 209.
3. Fixed typos in Table 29-3 on page 307.
1. Updated typos.
2. Updated “Features” on page 1.
3. Updated “Calibrated internal RC oscillator” on page 33.
4. Updated “System control and reset” on page 45.
5. Updated “Brown-out detection” on page 47.
6. Updated “Fast PWM mode” on page 121.
7. Updated bit description in “TCCR1C – Timer/Counter1 control register C” on page
133.
8. Updated code example in “SPI – Serial peripheral interface” on page 161.
9. Updated Table 15-3 on page 101, Table 15-6 on page 102, Table 15-8 on page 103,
Table 16-2 on page 130, Table 16-3 on page 131, Table 16-4 on page 132, Table 18-
3 on page 154, Table 18-6 on page 155, Table 18-8 on page 156, and Table 28-5 on
page 287.
10. Added Note to Table 26-1 on page 265, Table 27-5 on page 279, and Table 28-17 on
page 300.
11. Updated “Setting the boot loader lock bits by SPM” on page 277.
12. Updated “Signature bytes” on page 288
13. Updated “Electrical characteristics” on page 303.
14. Updated “Errata” on page 357.
1. Added Addresses in Registers.
2. Updated “Calibrated internal RC oscillator” on page 33.
3. Updated Table 9-12 on page 35, Table 10-1 on page 39, Table 11-1 on page 54,
Table 14-3 on page 78.
4. Updated “ADC noise reduction mode” on page 40.
5. Updated note for Table 10-2 on page 43.
6. Updatad “Bit 2 - PRSPI: Power reduction serial peripheral interface” on page 44.
7. Updated “TCCR0B – Timer/counter control register B” on page 104.
8. Updated “Fast PWM mode” on page 121.
9. Updated “Asynchronous operation of Timer/Counter2” on page 151.
10. Updated “SPI – Serial peripheral interface” on page 161.