Datasheet

423
7766F–AVR–11/10
ATmega16/32U4
36. Datasheet Revision History for ATmega16U4/ATmega32U4
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
36.1 Rev. 7766F – 11/10
36.2 Rev. 7766E – 04/10
36.3 Rev. 7766D – 01/09
36.4 Rev. 7766C – 11/08
1. Replaced the “QFN44” on page 418 by an updated drawing.
2.
Updated “ADC Control and Status Register B – ADCSRB” on page 289. Defined the
ADCSRB register as in “ADC Control and Status Register B – ADCSRB” on page 312.
3. Updated the last page according to Atmel new Brand Style Guide.
1. Updated “Features” on page 1.
2. Updated “Features” on page 253.
3. Updated Figure 21-9 on page 258.
4. Updated Section 21.8 on page 260.
5. Updated “Features” on page 292.
6. Updated “ATmega16U4/ATmega32U4 Boundary-scan Order” on page 327.
7. Updated “Program And Data Memory Lock Bits” on page 346.
8. Updated Table 28-5 on page 348.
9. Updated “Electrical Characteristics” on page 378.
10. Updated Figure 29-2 on page 381.
11. Added “Typical Characteristics” on page 386.
12. Updated “Ordering Information” on page 415.
13. Updated “Errata” on page 419.
1. Updated Memory section in “Features” on page 1.
2. Added section “Resources” on page 8.
3. Added section “Data Retention” on page 8.
4. Updated “Ordering Information” on page 415.
1. Updated Memory section in “Features” on page 1.