Atmel ATMEGA328P-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 1 kB, 32 kB Flash, 28-Pin PDIP

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RS will no longer stock this product.
Packaging Options:
RS Stock No.:
696-2260
Mfr. Part No.:
ATMEGA328P-PU
Manufacturer:
Atmel
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Brand

Atmel

Family Name

ATmega

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

28

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

1 kB, 32 kB

Maximum Frequency

20MHz

RAM Size

2 kB

USB Channels

0

Number of PWM Units

3

Number of SPI Channels

1

Number of I2C Channels

1

Number of UART Channels

0

Number of USART Channels

1

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of CAN Channels

0

Pulse Width Modulation

2(6 x 8 bit), 6 x 16 bit

Maximum Operating Temperature

+85 °C

Number of ADC Units

1

Instruction Set Architecture

RISC

Number of PCI Channels

0

Width

6.76mm

Minimum Operating Temperature

-40 °C

Length

37.4mm

ADCs

6 x 10 bit

Number of Ethernet Channels

0

Dimensions

37.4 x 6.76 x 3.28mm

Program Memory Type

Flash

Height

3.28mm

Number of LIN Channels

0

ATmega328P 8-Bit megaAVR picoPower Microcontrollers


The Atmel ATmega328P Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. Featured is picoPower technology that offers ultra-low power consumption and low-power sleep modes, ideal for battery powered applications.

Microcontroller Features


•20 MHz Max. Operating Frequency
•Up to 20 MIPS at 20 MHz
•32 KB Flash
•1024 B EEPROM
•2 KB SRAM
•131 Instructions – Most single clock cycle execution
•32 General Purpose Registers
•23 GPIO
•Power-on Reset and Programmable Brown-out Detection
•Internal Calibrated Oscillator
•External and Internal Interrupt Sources
•Six Power-Saving Sleep Modes
•Internal and External Interrupts
•Fully Static Operation

Peripheral Features


•10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels
•Capacitive Touch Sense – 16 channels
•Temperature Sensor
•Two 8-bit Timers
•One 16-bit Timer
•Output Compare Module – 6 channels
•Six PWM Channels
•Programmable Serial USART
•Master/Slave SPI Serial Interface
•Byte-oriented 2-wire Serial Interface – I2C compatible
•Programmable Watchdog Timer with Separate Oscillator
•Analogue Comparator
•Interrupt and Wake-up on Pin Change