19

ATmega64(L)

2490LS–AVR–10/06

Datasheet Revision

History

Please note that the referring page numbers in this section are referred to this docu-

ment. The referring revision in this section are referring to the document revision.

Changes from Rev.

2490K-04/06 to Rev.

2490L-10/06

1.

Added note to “Timer/Counter Oscillator” on page 45.

2.

Updated “Fast PWM Mode” on page 125.

3.

Updated Table 52 on page 104, Table 54 on page 105, Table 59 on page 134,

Table 61 on page 136, Table 64 on page 158, and Table 66 on page 158.

4.

Updated “Errata” on page 381.

Changes from Rev.

2490J-03/05 to Rev.

2490K-04/06

1.

Updated Figure 2 on page 3.

2.

Added “Resources” on page 7.

3.

Added Addresses in Register Descriptions.

4.

Updated “SPI – Serial Peripheral Interface” on page 164.

5.

Updated Register- and bit names in “USART” on page 172.

6.

Updated note in “Bit Rate Generator Unit” on page 205.

7.

Updated Features in “Analog to Digital Converter” on page 232.

Changes from Rev.

2490I-10/04 to Rev.

2490J-03/05

1.

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

Package QFN/MLF”.

2.

Updated “Electrical Characteristics” on page 328

3.

Updated “Ordering Information” on page 14

Changes from Rev.

2490H-10/04 to Rev.

2490I-11/04

1.

Removed “Preliminary” and TBD’s.

2.

Updated Table 8 on page 40, Table 11 on page 42, Table 19 on page 53, Table

132 on page 330, Table 134 on page 333.

3.

Updated features in “Analog to Digital Converter” on page 232.

4.

Updated “Electrical Characteristics” on page 328.

Changes from Rev.

2490G-03/04 to Rev.

2490H-10/04

1.

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

Capture Trigger changed to Input Capture Pin.

2.

Updated “ATmega103 and ATmega64 Compatibility” on page 4.

3.

Updated “External Memory Interface” on page 27

4.

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

38.