Datasheet

38
7593LS–AVR–09/12
AT90USB64/128
7. Added description to access unique serial number located in Signature Row see
“Reading the Signature Row from software” on page 354.
10.8 Changes from 7593H to 7593I
1. Updated Table 9-2 in “Brown-out detection” on page 60. Unused BOD levels removed.
10.9 Changes from 7593I to 7593J
1. Updated Table 9-2 in “Brown-out detection” on page 60. BOD level 100 removed.
2. Updated “Ordering information” on page 18.
3. Removed ATmega32U6 errata section.
10.10 Changes from 7593J to 7593K
1. Corrected Figure 6-7 on page 34, Figure 6-8 on page 34 and Figure 6-9 on page 35.
2. Corrected ordering information for Section 7.3 ”Atmel AT90USB1286” on page 20, Sec-
tion 7.4 ”Atmel AT90USB1287” on page 21 andSection 7.2 ”Atmel AT90USB647” on
page 19.
3. Removed the ATmega32U6 device and updated the datasheet accordingly.
4. Updated Assembly Code Example in “Watchdog reset” on page 61.
10.11 Changes from 7593K to 7593L
1. Updated the “Ordering information” on page 18. Changed the speed from 20MHz to
16MHz.
2. Replaced ATmegaAT90USBxxxx by AT90USBxxxx through the datasheet.
3. Updated the first paragraph of “Overview” on page 307. Port A replaced by Port F.
4. Updated ADC equation in “ADC conversion result” on page 318. The equation has
1024 instead of 1023.
5. Created “Packaging Information” chapter.
6. Replaced the “QFN64” Packaging by an updated QFN64 Packaging drawing.
7. Updated “Errata” on page 26. AT90USB1286/7 has a fourth release, while
AT90USB646/7 updated with a second release.
8. In Section “Overview” on page 307, “Port A” has been replaced by “Port F” in the first
section.
9. In Section “Atmel AT90USB647” on page 19 the USB interface has been changed to
USB OTG.
10. In Section “Atmel AT90USB1286” on page 20 the USB interface has been changed to
Device.
11. In Section “Atmel AT90USB1287” on page 21 the USB interface has been changed to
Host OTG.
12. General update according to new template.