ATMEGA329-16AI vs ATMEGA325PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AI by Microchip Technology and ATMEGA325PA-AUR 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
ATMEGA329-16AI - 8-bit AVR MCU 32KB Flash 16MHz LCD | Microchip
ATMEGA329-16AI ✓ ActiveMicrochip Technology
ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA325PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16AI | ATMEGA325PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Program Memory | 32 KB (16K x 16), ISP with read-while-write | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 54 lines | — |
| Working Registers | 32 | — |
| ADC | 8-channel, 10-bit | — |
| Serial Interfaces | SPI, UART/USART, USI | — |
| LCD Controller | Integrated segment LCD driver | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Package | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| Operating Temperature | -40C to +85C (industrial) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ICSP via MPLAB SNAP) | — |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8-channel |
| Debug / Boundary Scan | — | JTAG interface for on-chip debug |
| Low Power Technology | — | picoPower |
| I/O Ports | — | 32 I/O |
| Packaging | — | Tape & Reel (R suffix) |
| Temperature Grade | — | Industrial (IND) |
| Life Cycle Stage | — | Active |
| RoHS Status | — | Green / RoHS compliant |