ATMEGA328P datasheet(31/32 Pages) ATMEL

Part #	ATMEGA328P

Description	8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

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8271BS–AVR–04/10

ATmega48A/48PA/88A/88PA/168A/168PA/328/328P

9.

Datasheet Revision History

Please note that the referring page numbers in this section are referred to this document. The

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

9.1

Rev. 8271B-04/10

9.2

Rev. 8271A-12/09

1.

Updated Table 8-8 with correct value for timer oscilliator at xtal2/tos2

2.

Corrected use of SBIS instructions in assembly code examples.

3.

Corrected BOD and BODSE bits to R/W in Section 9.11.2 on page 45, Section 11.5 on page 69

and Section 13.4 on page 93

4.

Figures for bandgap characterization added, Figure 29-34 on page 349, Figure 29-81 on page

374, Figure 29-128 on page 399, Figure 29-175 on page 424, Figure 29-222 on page 449, Fig-

ure 29-269 on page 474, Figure 29-316 on page 499 and Figure 29-363 on page 523.

5.

Updated ”Packaging Information” on page 546 by replacing 28M1 with a correct corresponding

package.

1.

New datasheet 8271 with merged information for ATmega48PA, ATmega88PA,

ATmega168PA and ATmega48A, ATmega88A andATmega168A. Also included

information on ATmega328 and ATmega328P

2

Changes done:

– New devices added: ATmega48A/ATmega88A/ATmega168A and

ATmega328

– Updated Feature Description

– Updated Table 2-1 on page 6

– Added note for BOD Disable on page 40.

– Added note on BOD and BODSE in ”MCUCR – MCU Control Register” on

page 93 and ”Register Description” on page 294

– Added limitation informatin for the application ”Boot Loader Support –

Read-While-Write Self-Programming” on page 279

– Added limitiation information for ”Program And Data Memory Lock Bits” on

page 296

– Added specified DC characteristice per processor

– Added typical characteristics per processor

– Removed execption information in ”Address Match Unit” on page 223.

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