Description
This is a Chinese version of ATmega328P-PU IC which also known as ATmega328P-U. So you may receive IC with printed name ATmega328P-U.
The ATMEGA328P- PU 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 ATmega328P-PU achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.
The ATmega328P-PU AVR is supported with a full suite of program and system development tools including C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation Kits.
Features:
1. 131 Instructions most of which are executed in a single clock cycle.
2. 32 x 8 working registers.
3. 2 cycle multiplier.
4. Up to 20 MIPS throughput at 20 MHz.
5. 32KB of programmable FLASH
6. 1KB of EEPROM
7. Data retention for 20 years at 85C and 100 years at 25C
8. Programming lock available for software security
9. True Read-While-Write operation
10. Optional bootloader with lock bits
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