ATMEGA649P-MU vs ATMEGA64A-MNR Comparison
Detailed side-by-side comparison of ATMEGA649P-MU by Microchip Technology and ATMEGA64A-MNR 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 ✓ ActiveMicrochip Technology
ATMEGA64A-MNR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64A-MNR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-MU | ATMEGA64A-MNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.91 | $4.02 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| Connectivity | SPI, UART/USART | — |
| General Purpose I/O | 54 / 69 | — |
| LCD Controller | Yes (segment LCD driver) | — |
| Operating Voltage | 1.8 V to 5.5 V | — |
| Working Registers | 32 general purpose | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Low Power Technology | picoPower | — |
| Package | 64-QFN (9x9 mm), MLF/VQFN | — |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (Ind Temp) | — |
| RoHS Status | Green (RoHS compliant) | Compliant (Green) |
| Programming | ISP (In-System Programmable), read-while-write | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB (4K x 8) |
| Maximum Clock Frequency | — | 16MHz |
| Number of I/O | — | 53 |
| Package / Case | — | 64-VFQFN Exposed Pad (9x9 mm) |
| Operating Temperature | — | -40C to +105C |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Interfaces | — | I2C (TWI), SPI, UART, USART |
| ADC Resolution | — | 10-bit, 8-channel |
| Timers / Counters | — | 2 x 8-bit, 2 x 16-bit with PWM |
| Debug / Scan | — | JTAG boundary-scan and on-chip debug |
| Packaging | — | Tape and Reel |
| General Purpose Working Registers | — | 32 |