ATMEGA32A-AUR vs ATMEGA329-16AU Comparison

Detailed side-by-side comparison of ATMEGA32A-AUR by Microchip Technology and ATMEGA329-16AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
ATMEGA32A-AUR ATMEGA32A-AUR - 16MHz 32KB Flash 8-bit AVR MCU | Microchip

ATMEGA32A-AUR - 16MHz 32KB Flash 8-bit AVR MCU | Microchip

ATMEGA32A-AUR βœ“ Active
Microchip Technology
ATMEGA329-16AU ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip

ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip

ATMEGA329-16AU βœ“ Active

Specification Comparison

Parameter ATMEGA32A-AUR ATMEGA329-16AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.96 $8.45
Core Architecture AVR 8-bit RISC 8-bit AVR RISC
Program Memory (Flash) 32 KB (16K x 16) β€”
SRAM 2 KB 2 KB
EEPROM 1 KB 1 KB
Maximum Clock Frequency 16 MHz 16 MHz
MIPS Throughput 16 MIPS at 16 MHz β€”
Supply Voltage Range 4.5 V to 5.5 V 4.5 V to 5.5 V
I/O Pins 32 β€”
ADC 8-channel, 10-bit β€”
Timers/Counters Two 8-bit, One 16-bit β€”
Communication Interfaces USART, SPI, TWI (I2C) β€”
On-Chip Debug JTAG interface β€”
Package 44-pin TQFP (10x10 mm) 64-TQFP (14x14 mm), 0.8 mm pitch
Operating Temperature -40C to +85C (industrial) [DATA_NEEDED: operating temperature range]
Mounting Type Surface Mount Surface Mount
Self-Programming Yes (In-System) β€”
Number of Instructions 131 β€”
RoHS Status Compliant [DATA_NEEDED: RoHS status]
Flash Program Memory β€” 32 KB (16K x 16)
General Purpose I/O Lines β€” 54
LCD Controller β€” On-chip segment LCD controller with internal contrast control
JTAG Interface β€” Yes (boundary-scan, on-chip debug, programming)
In-System Programming β€” Yes (ISP Flash, read-while-write)
General Purpose Working Registers β€” 32
Instructions β€” 130+ powerful instructions, most single-clock cycle
Life Cycle Stage β€” Active

Datasheets & Resources

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