ATMEGA8U2_14 Datasheet, PDF (301/310 Pages) ATMEL Corporation – 125 Powerful Instructions – Most Single Clock Cycle Execution

ATmega8U2/16U2/32U2
33. Datasheet Revision History
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.
33.1 Rev.7799E – 09/12
1. Renamed package name in Figure 1-1 on page 2 from VQFP32 to TQFP32.
2. Corrected typos.
33.2 Rev. 7799D – 11/10
1. Updated the footnote on page 2. Removed the VQFP from the footnote
2. Updated Section 20-4 ”Typical Bus powered application with 3.3V I/O” on page 187.
3. Updated Figure 20-6 on page 188. By connecting UVCC to 3V power-supply.
4. Updated Table 21-2 on page 215. 10: Bulk Type, and 01: Isochronous Type
5. Added UVCC limits in Electrical Characteristics
6.
Updated “Electrical Characteristics” on page 264. Added USB D+ Internal Pull-up (streaming
mode)
7. Updated “Register Summary” on page 288. Added DIDR1 (adress: 0x7F)
8. Removed Figure 27-26: USB Regulator Consumption with load 75 vs. Vcc
33.3 Rev. 7799C – 12/09
1. Updated “Features” on page 1.
2. Added description of “AVCC” on page 4.
3. Updated Figure 7-2 on page 18.
4. Updated Figure 20-3 on page 186 and Figure 20-4 on page 187.
5. Updated “Fuse Bits” on page 247.
6. Updated “DC Characteristics” on page 264.
7. Updated Table 26-3 on page 267, by removing Vrst.
8. Updated Table 26-4 on page 268.
9. Updated “Typical Characteristics” on page 273.
10. Added new “Errata” on page 299.
33.4 Rev. 7799B – 06/09
1. Updated “Typical Characteristics” on page 273.
7799E–AVR–09/2012
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