ATMEGA48A_11 datasheet(33/35 Pages) ATMEL

Part #	ATMEGA48A

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

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8271DS–AVR–05/11

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

12. 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.

12.1

Rev. 8271D – 05/11

12.2

Rev. 8271C – 08/10

12.3

Rev. 8271B – 04/10

1.

Added Atmel QTouch Sensing Capablity Feature

2.

Updated ”Register Description” on page 94 with PINxn as R/W.

3.

Added a footnote to the PINxn, page 94.

4.

Updated

5.

Updated “Ordering Information”,”ATmega328” on page 546. Added “ATmega328-

MMH” and “ATmega328-MMHR”.

6.

Updated “Ordering Information”,”ATmega328P” on page 547. Added “ATmega328P-

MMH” and “ATmega328P-MMHR”.

7.

Added “Ordering Information” for ATmega48PA/88PA/168PA/328P @ 105

°C

8.

Updated ”Errata ATmega328” on page 555 and ”Errata ATmega328P” on page 556

98.

Updated the datasheet according to the Atmel new brand style guide.

1.

Added 32UFBGA Pinout, Table 1-1 on page 2.

2.

Updated the “SRAM Data Memory”, Figure 8-3 on page 19.

3.

Updated ”Ordering Information” on page 540 with CCU and CCUR code related to

“32CC1” Package drawing.

4.

“32CC1” Package drawing added on ”Packaging Information” on page 548.

1.

Updated Table 9-8 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 10.11.2 on page 46, Section 12.5

on page 70 and Section 14.4 on page 94

4.

Figures for bandgap characterization added, Figure 30-34 on page 350, Figure 30-81

on page 375, Figure 30-128 on page 400, Figure 30-175 on page 425, Figure 30-222

on page 450, Figure 30-269 on page 475, Figure 30-316 on page 500 and Figure 30-

363 on page 525.

5.

Updated ”Packaging Information” on page 548 by replacing 28M1 with a correct cor-

responding package.

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