ATMEGA328- U Microchip Microcontroller IC
The ATMEGA328-U 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.
Note:
The available IC model for this type is ATMEGA328-PU.
**New IC marking code is implemented, instead of ATMEGA328PU used ATMEGA-U on Chip
Features
High Performance, Low Power Design:
8-Bit Microcontroller Atmel® AVR® advanced RISC architecture
131 Instructions most of which are executed in a single clock cycle
Up to 20 MIPS throughput at 20 MHz
32 x 8 working registers
2 cycle multiplier
Specification      Â
| Micro-controller | ATmega328P-U PDIP-28 |
|---|---|
| Cycles | 10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM |
| Data retention | for 20 years at 85°C and 100 years at 25°C |
| Instruction set | 131 Instructions most of which are executed in a single clock cycle |
| I/O and package | 23 programmable I/O lines, 28 pin PDIP package |
| Registers | 32 x 8 working registers. |
Memory Includes:
32KB of programmable FLASH
1KB of EEPROM
2KB SRAM
10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM
Data retention for 20 years at 85°C and 100 years at 25°C
Optional bootloader with lock bits
In System Programming (ISP) by via bootloader
True Read-While-Write operation.
Programming lock available for software security
I/O and Package:
23 Programmable I/O lines
28 Pin PDIP package
Speed Grades:
0-4 MHz at 1.8-5.5V
0-10 MHz at 2.7-5.5V
0-20 MHz at 4.5-5.5V
Low Power Consumption Mode at 1.8V, 1 MHz and 25°C:
Active Mode: 0.3 mA
Power-down Mode: 0.1 μA
Power-save Mode: 0.8 μA (Including 32 kHz RTC)
Pin Diagram :
Package Includes
1 x ATMEGA328-U Microcontroller IC
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