Datasheet
7
8271BS–AVR–01/10
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P support a real Read-While-Write Self-Pro-
gramming mechanism. There is a separate Boot Loader Section, and the SPM instruction can
only execute from there. In ATmega 48A/48PA there is no Read-While-Write support and no
separate Boot Loader Section. The SPM instruction can execute from the entire Flash.
3. Resources
A comprehensive set of development tools, application notes and datasheets are available for
download on http://www.atmel.com/avr.
Note: 1.
ATmega168PA 16K Bytes 512 Bytes 1K Bytes 2 instruction words/vector
ATmega328 32K Bytes 1K Bytes 2K Bytes 2 instruction words/vector
ATmega328P 32K Bytes 1K Bytes 2K Bytes 2 instruction words/vector
Table 2-1. Memory Size Summary
Device Flash EEPROM RAM Interrupt Vector Size