377
2467S–AVR–07/09
ATmega128
Rev. 2467D-03/02 1. Added more information about “ATmega103 Compatibility Mode” on page 5.
2. Updated Table 2, “EEPROM Programming Time,” on page 23.
3. Updated typical Start-up Time in Table 7 on page 38, Table 9 and Table 10 on page 40,
Table 12 on page 41, Table 14 on page 42, and Table 16 on page 43.
4. Updated Table 22 on page 57 with typical WDT Time-out.
5. Corrected description of ADSC bit in “ADC Control and Status Register A – ADCSRA”
on page 244.
6. Improved description on how to do a polarity check of the ADC differential results in
“ADC Conversion Result” on page 241.
7. Corrected JTAG version numbers in “JTAG Version Numbers” on page 256.
8. Improved description of addressing during SPM (usage of RAMPZ) on “Addressing
the Flash During Self-Programming” on page 278, “Performing Page Erase by SPM”
on page 280, and “Performing a Page Write” on page 280.
9. Added not regarding OCDEN Fuse below Table 118 on page 288.
10. Updated Programming Figures:
Figure 135 on page 290 and Figure 144 on page 301 are updated to also reflect that AVCC
must be connected during Programming mode. Figure 139 on page 297 added to illustrate
how to program the fuses.
11. Added a note regarding usage of the PROG_PAGELOAD and PROG_PAGEREAD
instructions on page 307.
12. Added Calibrated RC Oscillator characterization curves in section “Typical Charac-
teristics” on page 333.
13. Updated “Two-wire Serial Interface” section.
More details regarding use of the TWI Power-down operation and using the TWI as master
with low TWBRR values are added into the data sheet. Added the note at the end of the “Bit
Rate Generator Unit” on page 204. Added the description at the end of “Address Match Unit”
on page 205.
14. Added a note regarding usage of Timer/Counter0 combined with the clock. See
“XTAL Divide Control Register – XDIV” on page 37.
Rev. 2467C-02/02 1. Corrected Description of Alternate Functions of Port G
Corrected description of TOSC1 and TOSC2 in “Alternate Functions of Port G” on page 85.
2. Added JTAG Version Numbers for rev. F and rev. G
Updated Table 100 on page 256.
3 Added Some Preliminary Test Limits and Characterization Data
Removed some of the TBD's in the following tables and pages:
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