ATMEGA1281V ATMEL [ATMEL Corporation], ATMEGA1281V Datasheet - Page 36

• Manufacturer Part Number: ATMEGA1281V
• Description: 8-bit Atmel Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

12. Datasheet Revision History
12.1
12.2
12.3
2549NS–AVR–05/11
Rev. 2549N-05/11
Rev. 2549M-09/10
Rev. 2549L-08/07
Please note that the referring page numbers in this section are referring to this document.The
referring revision in this section are referring to the document revision.
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Added Atmel QTouch Library Support and QTouch Sensing Capablity Features
Updated Cross-reference in
page 68
Updated Assembly codes in section
Added
Added
Updated
Updated
Updated typos in
Note is added below
The values for “typical characteristics” in
has been rounded.
Units for tRST and tBOD in
The figure text for
Text in first column in
“Extended Fuse Byte”.
The text in
The value of the inductor in
changed to 10 µH.
“Port A” has been changed into “Port K” in the first paragraph of
Minimum wait delay for tWD_EEPROM in
9.0ms to 3.6ms
Dimension A3 is added in
Several cross-references are corrected.
“COM0A1:0” on page
Corrected some Figure and Table numbering.
Updated
Updated note in
Updated
Updated typos in
Updated
Updated
Added
“Standard Power-On Reset” on page
“Enhanced Power-On Reset” on page
“System and Reset Characteristics” on page
Figure 32-13 on page 393
“Ordering Information” on page 20
Section 10.6 “Low Frequency Crystal Oscillator” on page
Table 10-3 on page
“Clock Characteristics” on page 371
“External Clock Drive” on page
“Power Reduction Register” on page 54
Table 10-11 on page
Figure 26-9 on page 285
“DC Characteristics” on page 367
Table 31-2 on page 371
Table 1-1 on page
130
Table 30-3 on page 336
“64M2” on page
is corrected to “COM0B1:0”.
ATmega640/1280/1281/2560/2561
Table 31-3 on page 372
Figure 26-9 on page 285
“Bit 5, 2:0 - WDP3:0: Watchdog Timer Prescaler 3, 2, 1 and 0” on
43,
Table 10-5 on page
“USART Initialization” on page 210
47.
3.
371.
Table 31-9 on page 377
has been changed.
28.
and in
to include Tape & Reel devices.
Table 30-16 on page 351
372.
373.
Figure 26-10 on page
has been changed from “Fuse Low Byte” to
has been changed.
372.
have been changed from “ns” to “µs”.
44,
and
Table 10-9 on page
Figure 26-10 on page 285
“Features” on page
and
45.
Table 31-10 on page
has been changed from
285.
47.
275.
has been
378,
36