Memory
The ATMega memory consists of three parts:
● Data memory of SRAM : used for temporary storage of data values
● Program memory, which is a Flash Memory, that can be rewritten up to 10,000 times
● Finally the EEPROM memory, which is used for permanent storage of data values or initial parameters for the microcontroller.
In-System Programmable flash
--can easily program chips, even while in-circuit.
Many peripherals:
a whole bunch of internal and external interrupt sources and peripherals are available on a wide range of devices (timers, UARTs, ADC, watchdog,etc.).
32 registers:
The 32 working registers (all directly usable by the ALU) help keep performance snappy, reducing the use of time consuming RAM access.
Internal RC oscillators can be used on many chips to reduce part count further.
Flexible interrupt module with multiple internal/ external interrupt sources.
Multiple power saving modes.
The ATMega memory consists of three parts:
● Data memory of SRAM : used for temporary storage of data values
● Program memory, which is a Flash Memory, that can be rewritten up to 10,000 times
● Finally the EEPROM memory, which is used for permanent storage of data values or initial parameters for the microcontroller.
In-System Programmable flash
--can easily program chips, even while in-circuit.
Many peripherals:
a whole bunch of internal and external interrupt sources and peripherals are available on a wide range of devices (timers, UARTs, ADC, watchdog,etc.).
32 registers:
The 32 working registers (all directly usable by the ALU) help keep performance snappy, reducing the use of time consuming RAM access.
Internal RC oscillators can be used on many chips to reduce part count further.
Flexible interrupt module with multiple internal/ external interrupt sources.
Multiple power saving modes.
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