ATmega128 datasheet(376/386 Pages) ATMEL

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376

2467S–AVR–07/09

ATmega128

Added note under “Filling the Temporary Buffer (Page Loading)” on page 280 about

writing to the EEPROM during an SPM Page load.

10. Removed ADHSM completely.

11. Added section “EEPROM Write During Power-down Sleep Mode” on page 25.

12. Updated drawings in “Packaging Information” on page 369.

Rev. 2467G-09/02

Changed the Endurance on the Flash to 10,000 Write/Erase Cycles.

Rev. 2467F-09/02

Added 64-pad QFN/MLF Package and updated “Ordering Information” on page 368.

Added the section “Using all Locations of External Memory Smaller than 64 KB” on

page 33.

Added the section “Default Clock Source” on page 38.

Renamed SPMCR to SPMCSR in entire document.

When using external clock there are some limitations regards to change of frequency.

This is descried in “External Clock” on page 43 and Table 131, “External Clock

Drive,” on page 320.

Added a sub section regarding OCD-system and power consumption in the section

“Minimizing Power Consumption” on page 48.

Corrected typo (WGM-bit setting) for:

“Fast PWM Mode” on page 99 (Timer/Counter0).

“Phase Correct PWM Mode” on page 101 (Timer/Counter0).

“Fast PWM Mode” on page 152 (Timer/Counter2).

“Phase Correct PWM Mode” on page 153 (Timer/Counter2).

Corrected Table 81 on page 192 (USART).

Corrected Table 102 on page 259 (Boundary-Scan)

10. Updated Vil parameter in “DC Characteristics” on page 318.

Rev. 2467E-04/02

Updated the Characterization Data in Section “Typical Characteristics” on page 333.

Updated the following tables:

Table 19 on page 51, Table 20 on page 55, Table 68 on page 158, Table 102 on page 259,

and Table 136 on page 328.

Updated Description of OSCCAL Calibration Byte.

In the data sheet, it was not explained how to take advantage of the calibration bytes for 2,

4, and 8 MHz Oscillator selections. This is now added in the following sections:

Improved description of “Oscillator Calibration Register – OSCCAL” on page 42 and “Cali-

bration Byte” on page 289.

ATmega128 Datasheet(PDF) 376 Page - ATMEL Corporation