ATMEGA329-16AI vs ATMEGA329-16AUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AI by Microchip Technology and ATMEGA329-16AUR 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
ATMEGA329-16AUR - AVR 8-bit MCU 16MHz 32KB LCD | Microchip
ATMEGA329-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16AI | ATMEGA329-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Program Memory | 32 KB (16K x 16), ISP with read-while-write | — |
| SRAM | 2 KB | — |
| EEPROM | 1 KB | — |
| Maximum Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| General Purpose I/O | 54 lines | — |
| Working Registers | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel 10-bit |
| Serial Interfaces | SPI, UART/USART, USI | — |
| LCD Controller | Integrated segment LCD driver | 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, 0.8 mm pitch) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial, per ATMEGA329-16AI grade family) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ICSP via MPLAB SNAP) | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Speed | — | 16 MHz |
| Program Memory Size | — | 32 KB (16K x 16) FLASH |
| EEPROM Size | — | 1 KB |
| RAM Size | — | 2 KB SRAM |
| Number of I/O | — | 54 general purpose I/O lines |
| JTAG | — | Yes (IEEE 1149.1 boundary scan / on-chip debug) |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Packaging | — | Tape & Reel (R suffix) |
| Life Cycle Stage | — | ACTIVE |
| RoHS Status | — | Compliant |