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64-TQFP Pkg
Integrated Circuits (ICs)

ATMEGA329P-20AU

Active
Microchip Technology

MCU-APPLICATION SPECIFIC 8BIT, MEGAAVR, 20MHZ, 2 KB RAM/32 KB PROGRAM, 2.7V-5.5VIN, TQFP-64

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64-TQFP Pkg
Integrated Circuits (ICs)

ATMEGA329P-20AU

Active
Microchip Technology

MCU-APPLICATION SPECIFIC 8BIT, MEGAAVR, 20MHZ, 2 KB RAM/32 KB PROGRAM, 2.7V-5.5VIN, TQFP-64

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Technical Specifications

Parameters and characteristics for this part

SpecificationATMEGA329P-20AU
ConnectivitySPI, USI, UART/USART
Core ProcessorAVR
Core Size8-Bit
Data Converters [custom]8
Data Converters [custom]10
Mounting TypeSurface Mount
Number of I/O54
Operating Temperature [Max]85 °C
Operating Temperature [Min]-40 °C
Oscillator TypeInternal
Package / Case64-TQFP
PeripheralsPOR, WDT, LCD, Brown-out Detect/Reset, PWM
Program Memory Size32 KB
Program Memory TypeFLASH
RAM Size2K x 8
Speed20 MHz
Supplier Device Package64-TQFP
Voltage - Supply (Vcc/Vdd) [Max]5.5 V
Voltage - Supply (Vcc/Vdd) [Min]2.7 V

ATmega329PA Series

Newer Device Available ATMEGA329PA

PartMounting TypeProgram Memory SizeConnectivityCore ProcessorCore SizeVoltage - Supply (Vcc/Vdd) [Min]Voltage - Supply (Vcc/Vdd) [Max]Data Converters [custom]Data Converters [custom]Operating Temperature [Max]Operating Temperature [Min]Oscillator TypeRAM SizePackage / CasePeripheralsSpeedNumber of I/OSupplier Device PackageProgram Memory Type
64-TQFP
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
2.7 V
5.5 V
8
10
105 °C
-40 °C
Internal
2K x 8
64-TQFP
Brown-out Detect/Reset
LCD
POR
PWM
WDT
20 MHz
54
64-TQFP
FLASH
LTM4636
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
2.7 V
5.5 V
8
10
105 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
20 MHz
54
64-QFN (9x9)
FLASH
64-TQFP Pkg
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
2.7 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-TQFP
Brown-out Detect/Reset
LCD
POR
PWM
WDT
20 MHz
54
64-TQFP
FLASH
VQFN / 64
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
20 MHz
54
64-QFN (9x9)
FLASH
LTM4636
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
8 MHz
54
64-QFN (9x9)
FLASH
64-TQFP Pkg
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-TQFP
Brown-out Detect/Reset
LCD
POR
PWM
WDT
8 MHz
54
64-TQFP
FLASH
LTM4636
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
8 MHz
54
64-QFN (9x9)
FLASH
64-TQFP
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
2.7 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-TQFP
Brown-out Detect/Reset
LCD
POR
PWM
WDT
16 MHz
54
64-TQFP
FLASH
Microchip Technology-ATMEGA329A-MU Microcontrollers - MCUs MCU 8-bit AVR RISC 32KB Flash 2.5V/3.3V/5V 64-Pin QFN EP Tray
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
20 MHz
54
64-QFN (9x9)
FLASH
VQFN / 64
Microchip Technology
Surface Mount
32 KB
SPI
UART/USART
USI
AVR
8-Bit
1.8 V
5.5 V
8
10
85 °C
-40 °C
Internal
2K x 8
64-VFQFN Exposed Pad
Brown-out Detect/Reset
LCD
POR
PWM
WDT
10 MHz
54
64-QFN (9x9)
FLASH

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyTray 1$ 6.63
25$ 6.09
100$ 5.51
Microchip DirectTRAY 1$ 6.63
25$ 6.09
100$ 5.51
1000$ 5.06
5000$ 4.82
NewarkEach 100$ 5.68

Description

General part information

ATmega329PA Series

The high-performance Microchip picoPower® 8-bit AVR® RISC-based microcontroller combines 32 KB ISP Flash memory with read-while-write capabilities, 1 KB EEPROM, 2 KB SRAM, 54 general purpose I/O lines, 32 general purpose working registers, a JTAG interface for boundary-scan and on-chip debugging/programming, a complete on-chip LCD controller with internal contrast control, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a universal serial interface (USI) with start condition detector, an 8-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, SPI serial port, 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 one MIPS per MHz, balancing power consumption and processing speed.