ATMEGA328P-PU

ATMEL 8-BIT MICROCONTROLLER WITH 4/8/16/32KBYTES IN-SYSTEM PROGRAMMABLE FLASH

8位微控制器 -MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Overview ATMEGA328P-PU

The ATmega48A/PA/88A/PA/168A/PA/328/P is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega48A/PA/88A/PA/168A/PA/328/P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features ATMEGA328P-PU

 High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family

 Advanced RISC Architecture ATMEGA328P-PU

̶ 131 Powerful Instructions – Most Single Clock Cycle Execution

̶ 32 x 8 General Purpose Working Registers

̶ Fully Static Operation

̶ Up to 20 MIPS Throughput at 20MHz

̶ On-chip 2-cycle Multiplier

 High Endurance Non-volatile Memory Segments

̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

̶ 256/512/512/1KBytes EEPROM

̶ 512/1K/1K/2KBytes Internal SRAM

̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

̶ Data retention: 20 years at 85C/100 years at 25C(1)

̶ Optional Boot Code Section with Independent Lock Bits

 In-System Programming by On-chip Boot Program

 True Read-While-Write Operation

̶ Programming Lock for Software Security

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