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Details for ATMEGA328-PU by Microchip Technology
ATmega328
ATMEGA328-PU
Buy Directly from Microchip Technology Inc (9350 in stock) $1.9000
20 MHz, PDIP, Ind Temp, Green
ATMEGA328-PU image

ATMEGA328-PU by Microchip Technology

20 MHz, PDIP, Ind Temp, Green
Description
The high-performance Microchip 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts,serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

Specifications
Family:
ATmegaAVR
Part Family:
ATmega48
Part Prefix:
ATmega
Architecture:
8
Core:
8-bit AVR
MaxSpeed (MHz):
20
CPU Type:
8-bit AVR
CPU Speed (MIPS/DMIPS):
20
Program Memory Type:
Flash
SelfWrite:
Yes
Program Memory Size (KB):
32
Program Memory Size (KWords):
16
Multiple Flash Panels:
True
Secure Bootloader (CodeGuard™ Security):
None
RAM (KB):
2048
Data EEPROM (bytes):
1024
Temp. Range Min.:
-40
Temp. Range Max.:
85
Operation Voltage Min.(V):
1.8
Operation Voltage Max.(V):
5.5
Max I/O Pins:
23
Pin Count:
32
Brown Out Reset (BOR):
Programmable BOR
Power On Reset (POR):
Yes
Internal Voltage Reference (Bandgap):
Yes
Internal Oscillator:
Yes
Number of Comparators:
1
ADC Channels:
8
Max ADC Sampling Rate (ksps):
15
Max ADC Resolution (bits):
10
Max ADC Sample/Hold (S/H):
1
Temp Sensor:
Yes
Standard UART:
1
SPI™:
2
I2C:
1
Max 8 Bit Digital Timers:
2
Max 16 Bit Digital Timers:
1
Hardware RTCC:
Yes
Watch Dog Timers (WDT):
Yes
Timers:
3
Stand alone PWM:
6
Capture/Compare/PWM (CCP):
1
Standalone Output Compare/ Standard PWM:
6
Input Capture:
1
Max # PWM outputs (including complementary outputs):
6
Output Compare Channels:
6
USB Interface:
None
Type of CAN module:
None
Ethernet:
None
Integrated Wireless Frequency:
None
Wireless Technology:
None
JTAG:
None
Debug Interface:
debugWIRE
Temperature Range:
-40C to +85C
Alternate Descriptions
20 MHz- PDIP- Ind Temp- Gree Onlinecomponents.com
MCU 8-Bit AVR 32KB Flash 2.5/3.3/5V RS Components
MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, DIP-28; Product Range:AVR ATmega Family ATmega328 Series Microcontrollers; CPU Speed:20MHz; Program Memory Size:32KB; RAM Memory Size:2KB; No. of Pins:28Pins; MCU Case Style:DIP; MSL:- RoHS Compliant: Yes Newark Electronics
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet America
AVR microcontroller; EEPROM:1kB; SRAM:2kB; Flash:32kB; DIP28 Transfer Multisort Elektronik
20 MHz PDIP Ind Temp Green Microchip Technology Inc
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet Europe
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet Asia
Microcontroller [Microchip] ATMEGA328-PU Microcontroller Distrelec
ATmega Series 32 KB Flash 2 KB SRAM 20 MHz 8-Bit Microcontroller - DIP-28 Future Electronics
Engineer Comments

In many a business, one product defines a legacy - for PSC Tupolev, this would be the legendary TU134. In the case of Atmel - initially a small European microcontroller company claiming to offer a C-programmable microcontroller, this honor falls to the ATmega328.

Describing the ATmega328 is not easy - it is, in the end, but another microcontroller similar to the various members of the PIC family. An amusing detail is that Atmel is now owned by Microchip - sometimes, fate takes the oldest turns.

Nevertheless, the ATmega328 is a highly interesting microcontroller due to another twist of history. When Massimo Banzi, Godfather of Arduino, looked for a microcontroller he settled on the ATmega328.

This means that developers can look forward to an almost unlimited amount of libraries - if you must get started quickly, this is a part to use for rapid prototyping. Of course, it also is available in prototype friendly DIP housing, make it ideally suited for Internet of Things prototype microcontroller duties.

Tam Hanna
Details for ATMEGA328-PU by Microchip Technology
ATmega328
ATMEGA328-PU
Buy Directly from Microchip Technology Inc (9350 in stock) $1.9000
MCU 8BIT ATMEGA 20MHZ DIP-28
ATMEGA328-PU image

ATMEGA328-PU by Microchip Technology

MCU 8BIT ATMEGA 20MHZ DIP-28
Features
Advanced RISC Architecture -- 131 Powerful Instructions u2013 Most Single Clock Cycle Execution -- 32 x 8 General Purpose Working Registers -- Fully Static Operation -- Up to 20 MIPS Throughput at 20MHz -- On-chip 2-cycle Multiplier
Atmelu00ae QTouchu00ae library support -- Capacitive touch buttons, sliders and wheels -- QTouch and QMatrixu00ae acquisition -- Up to 64 sense channels
High Endurance Non-volatile Memory Segments -- 4/8/16/32KBytes of In-System Self-Programmable Flash program memory -- 256/512/512/1KBytes EEPROM -- 512/1K/1K/2KBytes Internal SRAM -- Write/Erase Cycles: 10,000 Flash/100,000 EEPROM -- Data retention: 20 years at 85uf0b0C/100 years at 25uf0b0C(1) -- Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
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
Temperature Measurement -- 6-channel 10-bit ADC in PDIP Package
True Read-While-Write Operation -- Programming Lock for Software Security
Part Information
ATMEGA328-PU image
RoHS Compliant
Specifications
Product Range:
AVR ATmega Family ATmega328 Series Microcontrollers
CPU Speed:
20MHz
Program Memory Size:
32KB, 32KB
RAM Memory Size:
2KB
No. of Pins:
28Pins
MCU Case Style:
DIP
No. of I/O's:
23I/O's
Embedded Interface Type:
I2C SPI UART
Supply Voltage Min:
1.8V
Supply Voltage Max:
5.5V
MCU Family:
AVR ATmega
MCU Series:
ATmega328
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Controller Family/Series:
ATmega
EEPROM Memory Size:
1KB
MPU Core Size:
8bit
No. of PWM Channels:
6
No. of Timers:
3
Operating Temperature Max:
85°C
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Oscillator Type:
External Internal
Peripherals:
ACMP ADC POR PWM RTC
Supply Voltage Range:
1.8V to 5.5V
Alternate Descriptions
20 MHz- PDIP- Ind Temp- Gree Onlinecomponents.com
MCU 8-Bit AVR 32KB Flash 2.5/3.3/5V RS Components
MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, DIP-28; Product Range:AVR ATmega Family ATmega328 Series Microcontrollers; CPU Speed:20MHz; Program Memory Size:32KB; RAM Memory Size:2KB; No. of Pins:28Pins; MCU Case Style:DIP; MSL:- RoHS Compliant: Yes Newark Electronics
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet America
AVR microcontroller; EEPROM:1kB; SRAM:2kB; Flash:32kB; DIP28 Transfer Multisort Elektronik
20 MHz PDIP Ind Temp Green Microchip Technology Inc
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet Europe
MCU 8-bit ATmega AVR RISC 32KB Flash 2.5V/3.3V/5V 28-Pin PDIP Avnet Asia
Microcontroller [Microchip] ATMEGA328-PU Microcontroller Distrelec
ATmega Series 32 KB Flash 2 KB SRAM 20 MHz 8-Bit Microcontroller - DIP-28 Future Electronics
Engineer Comments

In many a business, one product defines a legacy - for PSC Tupolev, this would be the legendary TU134. In the case of Atmel - initially a small European microcontroller company claiming to offer a C-programmable microcontroller, this honor falls to the ATmega328.

Describing the ATmega328 is not easy - it is, in the end, but another microcontroller similar to the various members of the PIC family. An amusing detail is that Atmel is now owned by Microchip - sometimes, fate takes the oldest turns.

Nevertheless, the ATmega328 is a highly interesting microcontroller due to another twist of history. When Massimo Banzi, Godfather of Arduino, looked for a microcontroller he settled on the ATmega328.

This means that developers can look forward to an almost unlimited amount of libraries - if you must get started quickly, this is a part to use for rapid prototyping. Of course, it also is available in prototype friendly DIP housing, make it ideally suited for Internet of Things prototype microcontroller duties.

Tam Hanna