ATMEGA329PA-MUR vs ATMEGA649P-MU Comparison
Detailed side-by-side comparison of ATMEGA329PA-MUR by Microchip Technology and ATMEGA649P-MU 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-MUR - 8-bit AVR 20MHz 32KB Flash MCU 64-QFN | Microchip
ATMEGA329PA-MUR β ActiveMicrochip Technology
ATMEGA649P-MU - 8-bit AVR MCU 64KB Flash LCD 16MHz | Microchip
ATMEGA649P-MU β ActiveSpecification Comparison
| Parameter | ATMEGA329PA-MUR | ATMEGA649P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.85 | $3.91 |
| Core | AVR 8-bit RISC | β |
| Program Memory (Flash) | 32 KB | β |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Maximum CPU Speed | 20 MHz | β |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | β |
| Operating Temperature | -40C to +85C (industrial) | β |
| General-Purpose I/O | 54 | β |
| Working Registers | 32 x 8-bit | 32 general purpose |
| ADC | 8-channel 10-bit | β |
| LCD Controller | Yes (up to 4x40 segments) | Yes (segment LCD driver) |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Package | 64-lead QFN (9x9 mm) | 64-QFN (9x9 mm), MLF/VQFN |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | In-System Programmable Flash (read-while-write) | β |
| RoHS Status | Compliant | Green (RoHS compliant) |
| MSL Level | 3 (per JEDEC J-STD-020, reflow 260C) | β |
| Packing | Tape & Reel | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 16 MHz |
| Flash Memory | β | 64 KB (32K x 16) |
| Connectivity | β | SPI, UART/USART |
| General Purpose I/O | β | 54 / 69 |
| Operating Voltage | β | 1.8 V to 5.5 V |
| Debug Interface | β | JTAG (on-chip debug, boundary scan) |
| Low Power Technology | β | picoPower |
| Temperature Range | β | Industrial (Ind Temp) |
| Programming | β | ISP (In-System Programmable), read-while-write |