ATMEGA649P-MU vs ATMEGA329PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA649P-MU 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-MU - 8-bit AVR MCU 64KB Flash LCD 16MHz | Microchip
ATMEGA649P-MU β ActiveMicrochip Technology
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA649P-MU | ATMEGA329PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.91 | $5.94 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | β |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Connectivity | SPI, UART/USART | β |
| General Purpose I/O | 54 / 69 | β |
| LCD Controller | Yes (segment LCD driver) | Up to 4x25 segments (integrated) |
| Operating Voltage | 1.8 V to 5.5 V | β |
| Working Registers | 32 general purpose | β |
| Debug Interface | JTAG (on-chip debug, boundary scan) | β |
| Low Power Technology | picoPower | β |
| Package | 64-QFN (9x9 mm), MLF/VQFN | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (Ind Temp) | β |
| RoHS Status | Green (RoHS compliant) | Compliant |
| Programming | ISP (In-System Programmable), read-while-write | β |
| Core Architecture | β | 8-bit AVR RISC (Harvard) |
| Family | β | ATmega (picoPower) |
| Program Memory (Flash) | β | 32 KB |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage | β | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) |
| General-Purpose I/O | β | 54 |
| Timers/Counters | β | Two 8-bit + One 16-bit |
| ADC | β | 8-channel, 10-bit |
| Serial Interfaces | β | USART, SPI, TWI (I2C) |
| Operating Temperature | β | -40C to +85C (Industrial) |
| Programming Interface | β | JTAG / debugWIRE / ISP |
| MSL Level | β | 3 (168 hours) |