Appendix A

Part Numbering System

The AVR microcontroller family has an uniform part numbering system for all members of the family. Figure A-1 shows the details of the part numbering system. Table A-1 explains the coding for the amount of EEPROM and SRAM data memory.

Table A-1

Coding of amount of EEPROM and SRAM data memory.

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Figure A-1 Part numbering system for AVR microcontrollers.

The CPU and peripheral resources of the first members of the AVR microcontroller family are listed in Table A-2.

Table A-2

First AVR family members and their CPU resources.

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