ATMEGA329PA-AUR vs ATMEGA329-16AU Comparison
Detailed side-by-side comparison of ATMEGA329PA-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
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR ✓ ActiveMicrochip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329PA-AUR | ATMEGA329-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC (Harvard) | 8-bit AVR RISC |
| Family | ATmega (picoPower) | — |
| Program Memory (Flash) | 32 KB | — |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Maximum CPU Speed | 20 MHz | — |
| Supply Voltage | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) | — |
| General-Purpose I/O | 54 | — |
| Timers/Counters | Two 8-bit + One 16-bit | — |
| ADC | 8-channel, 10-bit | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| LCD Controller | Up to 4x25 segments (integrated) | On-chip segment LCD controller with internal contrast control |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Programming Interface | JTAG / debugWIRE / ISP | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| MSL Level | 3 (168 hours) | — |
| Maximum Clock Frequency | — | 16 MHz |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 54 |
| JTAG Interface | — | Yes (boundary-scan, on-chip debug, programming) |
| In-System Programming | — | Yes (ISP Flash, read-while-write) |
| General Purpose Working Registers | — | 32 |
| Instructions | — | 130+ powerful instructions, most single-clock cycle |
| Life Cycle Stage | — | Active |