ATMEGA64 datasheet(21/25 Pages) ATMEL

21 / 25 page

2490PS–AVR–07/09

ATmega64(L)

Changes from Rev.

2490I-10/04 to Rev.

2490J-03/05

MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame Package

QFN/MLF”.

Updated “Electrical Characteristics” on page 325

Updated “Ordering Information” on page 15

Changes from Rev.

2490H-10/04 to

Rev. 2490I-11/04

Removed “Preliminary” and TBD’s.

Updated Table 8 on page 40, Table 11 on page 42, Table 19 on page 52, Table 132 on

page 327, Table 134 on page 330.

Updated features in “Analog to Digital Converter” on page 230.

Updated “Electrical Characteristics” on page 325.

Changes from Rev.

2490G-03/04 to

Rev. 2490H-10/04

Removed references to Analog Ground, IC1/IC3 changed to ICP1/ICP3, Input Capture

Trigger changed to Input Capture Pin.

Updated “ATmega103 and ATmega64 Compatibility” on page 4.

Updated “External Memory Interface” on page 27

Updated “XDIV – XTAL Divide Control Register” to “Clock Sources” on page 38.

Updated code example in “WDTCR – Watchdog Timer Control Register” on page 57.

Added section “Unconnected Pins” on page 70.

Updated Table 19 on page 52, Table 20 on page 56, Table 95 on page 236, and

Table 60 on page 135.

Updated Figure 116 on page 239.

Updated “Version” on page 255.

10. Updated “DC Characteristics” on page 325.

11. Updated “Typical Characteristics” on page 340.

12. Updated features in“Analog to Digital Converter” on page 230 and Table 136 on page

333.

13. Updated “Ordering Information” on page 15.

Changes from Rev.

2490F-12/03 to

Rev. 2490G-03/04

Updated “Errata” on page 18.

Changes from Rev.

2490E-09/03 to

Rev. 2490F-12/03

Updated “Calibrated Internal RC Oscillator” on page 43.

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