AT90USB647 datasheet(34/35 Pages) ATMEL

Part #	AT90USB647

Description	Microcontroller with 64/128K Bytes of ISP Flash and USB Controller

PDF	35 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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34 / 35 page

7593KS–AVR–11/09

AT90USB64/128

Added description to access unique serial number located in Signature Row see

“Reading the Signature Row from Software” on page 360.

10.8

Changes from 7593H to 7593I

Updated Table 8-2 in “Brown-out Detection” on page 60. Unused BOD levels removed.

10.9

Changes from 7593I to 7593J

Updated Table 8-2 in “Brown-out Detection” on page 60. BOD level 100 removed.

Updated “Ordering Information” on page 435.

Removed ATmega32U6 errata section.

10.10 Changes from 7593J to 7593K

Corrected Figure 5-7 on page 33, Figure 5-8 on page 33 and Figure 5-9 on page 34.

Corrected ordering information for Section 6.3 ”AT90USB1286” on page 19, Section

6.4 ”AT90USB1287” on page 20 andSection 6.2 ”AT90USB647” on page 18.

Removed the ATmega32U6 device and updated the datasheet accordingly.

Updated Assembly Code Exemple in “Watchdog Reset” on page 61.

AT90USB647 Datasheet(PDF) 34 Page - ATMEL Corporation