Microchip ATmega328P-AU IC 8-bit AVR Microcontroller with 32K Bytes In-System Programmable Flash

ATmega328P-AU MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 32-Pin TQFP

ATmega328PB-AU MCU 8-Bit ATmega AVR RISC 32KB Flash 5V 32-Pin TQFP

Overview:

The Atmel® ATmega328P 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 achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features:

● High performance, low power AVR® 8-bit microcontroller

● Advanced RISC architecture

● 131 powerful instructions – most single clock cycle execution

● 32 * 8 general purpose working registers

● Fully static operation

● Up to 16MIPS throughput at 16MHz

● On-chip 2-cycle multiplier

● High endurance non-volatile memory segments

● 32K bytes of in-system self-programmable flash program memory

● 1Kbytes EEPROM ● 2Kbytes internal SRAM

● Write/erase cycles: 10,000 flash/100,000 EEPROM

● 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

● Peripheral features

● Two 8-bit Timer/Counters with separate prescaler and compare mode

● One 16-bit Timer/Counter with separate prescaler, compare mode, and capture mode

● Real time counter with separate oscillator

● Six PWM channels

● 8-channel 10-bit ADC in TQFP and QFN/MLF package

● Temperature measurement

● Programmable serial USART

● Master/slave SPI serial interface

● Byte-oriented 2-wire serial interface (Phillips I2 C compatible)

● Programmable watchdog timer with separate on-chip oscillator

● On-chip analog comparator

● Interrupt and wake-up on pin change

● Special microcontroller features

● Power-on reset and programmable brown-out detection

● Internal calibrated oscillator

● External and internal interrupt sources

● Six sleep modes: Idle, ADC noise reduction, power-save, power-down, standby, and extended standby

● I/O and packages
● 23 programmable I/O lines
● 32-lead TQFP, and 32-pad QFN/MLF
● Operating voltage:
● 2.7V to 5.5V for ATmega328P
● Temperature range:
● Automotive temperature range: –40°C to +125°C
● Speed grade:
● 0 to 8MHz at 2.7 to 5.5V (automotive temperature range: –40°C to +125°C)
● 0 to 16MHz at 4.5 to 5.5V (automotive temperature range: –40°C to +125°C)
● Low power consumption
● Active mode: 1.5mA at 3V - 4MHz
● Power-down mode: 1µA at 3V

Ordering part numbers:

Environmental & Export Classifications

About Microchip Technology

Microchip Technology is a leng provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

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