Microchip ATMEGA328-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 32 kB Flash, 28-Pin PDIP

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Each (In a Pack of 5)

£1.92

(exc. VAT)

£2.30

(inc. VAT)

RS Stock No.:
738-0435
Mfr. Part No.:
ATMEGA328-PU
Brand:
Microchip
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Brand

Microchip

Family Name

ATmega

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

28

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

32 kB

Maximum Frequency

20MHz

RAM Size

1 kB, 2 kB

Number of PWM Units

1

Number of SPI Channels

1

Number of CAN Channels

0

Number of USART Channels

1

Number of UART Channels

0

Number of I2C Channels

1

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of ADC Units

1

Instruction Set Architecture

RISC

Length

34.8mm

ADCs

6 x 10 bit

Width

7.49mm

Pulse Width Modulation

1(6 Channel)

Height

4.572mm

Number of LIN Channels

0

Dimensions

34.8 x 7.49 x 4.572mm

Program Memory Type

Flash

Maximum Operating Temperature

+85 °C

Number of PCI Channels

0

Number of Ethernet Channels

0

Minimum Operating Temperature

-40 °C

Maximum Number of Ethernet Channels

0

ATmega328 8-Bit megaAVR Microcontrollers


The Atmel ATmega328 Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle the ATmega328 achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and speed.

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
Five 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