Datasheet

344
ATmega325/3250/645/6450
2570K–AVR–04/07
Datasheet Revision
History
Please note that the referring page numbers in this section are referring to this docu-
ment. The referring revision in this section are referring to the document revision.
Rev. 2570K – 04/07
Rev. 2570J – 11/06
Rev. 2570I – 07/06
Rev. 2570H – 06/06
Rev. 2570G – 04/06
Rev. 2570F – 03/06
Rev. 2570E – 03/06
1. Updated Errata on page 342.
1. Updated Table 125 on page 296.
2. Updated note in Table 125 on page 296.
1. Updated Table 33 on page 89.
2. Updated Table 47 on page 94, Table 49 on page 94, Table 54 on page 121,
Table 56 on page 122, Table 59 on page 138 and Table 61 on page 139.
3. Updated “Fast PWM Mode” on page 112.
4. Updated Features in “USI – Universal Serial Interface” on page 181.
5. Added “Clock speed considerations.” on page 188.
6. Updated “Errata” on page 342.
1. Updated “Calibrated Internal RC Oscillator” on page 28.
2. Updated “OSCCAL – Oscillator Calibration Register” on page 29.
3. Added Table 126 on page 297.
1. Updated “Calibrated Internal RC Oscillator” on page 28.
1. Updated “Errata” on page 342.
1. Added Addresses in Register Descriptions.
2. Updated number of Genearl Purpose I/O pins.
3. Correction of Bitnames in “Register Summary” on page 328.
4. Added “Resources” on page 8.
5. Updated “Power Management and Sleep Modes” on page 33.
6. Updated “Bit 0 – IVCE: Interrupt Vector Change Enable” on page 51.
7. Updated Introduction in “I/O-Ports” on page 58.
8. Updated “SPI – Serial Peripheral Interface” on page 146.
9. Updated “Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
195.
10 Updated Features in “Analog to Digital Converter” on page 197.
11. Updated “Prescaling and Conversion Timing” on page 200.
12. Updated “ATmega325/3250/645/6450 Boot Loader Parameters” on page
258.
13. Updated “DC Characteristics” on page 291.