ATMEGA649P-AUR vs ATMEGA329PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA649P-AUR by Microchip Technology and ATMEGA329PA-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
ATMEGA649P-AUR - AVR 8-bit MCU 64KB Flash LCD | Microchip
ATMEGA649P-AUR ✓ ActiveMicrochip Technology
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-AUR | ATMEGA329PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC (Harvard) |
| Flash Memory | 64 KB ISP Flash (read-while-write) | — |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum CPU Speed | 16 MHz | 20 MHz |
| General Purpose I/O | 54/69 lines | — |
| Working Registers | 32 general purpose | — |
| LCD Controller | Integrated segment LCD driver | Up to 4x25 segments (integrated) |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Low Power Technology | picoPower | — |
| Supply Voltage | 1.8 V to 5.5 V (picoPower family) | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) |
| Operating Temperature | -40C to +85C (industrial, per A-grade suffix) | -40C to +85C (Industrial) |
| Package | 64TQFP (TQFP-64) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Packing | Tape & Reel (T&R) | — |
| RoHS / Green | GREEN package | — |
| Product Status | Active | — |
| Family | — | ATmega (picoPower) |
| Program Memory (Flash) | — | 32 KB |
| General-Purpose I/O | — | 54 |
| Timers/Counters | — | Two 8-bit + One 16-bit |
| ADC | — | 8-channel, 10-bit |
| Serial Interfaces | — | USART, SPI, TWI (I2C) |
| Programming Interface | — | JTAG / debugWIRE / ISP |
| RoHS Status | — | Compliant |
| MSL Level | — | 3 (168 hours) |