ATMEGA649A-MU vs ATMEGA649P-MU Comparison
Detailed side-by-side comparison of ATMEGA649A-MU 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
ATMEGA649A-MU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA649A-MU ✓ ActiveMicrochip Technology
ATMEGA649P-MU - 8-bit AVR MCU 64KB Flash LCD 16MHz | Microchip
ATMEGA649P-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649A-MU | ATMEGA649P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 64 KB (32K x 16) |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Speed | 16 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) | — |
| General Purpose I/O | 54/69 I/O lines | 54 / 69 |
| Working Registers | 32 general purpose registers | 32 general purpose |
| Debug Interface | JTAG (boundary scan and on-chip debug) | JTAG (on-chip debug, boundary scan) |
| Package | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 64-QFN (9x9 mm), MLF/VQFN |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Program Memory Type | Flash (read-while-write) | — |
| Series | AVR ATmega | — |
| RoHS Status | Compliant (Green package) | Green (RoHS compliant) |
| Core Performance | Up to 16 MIPS at 16 MHz (single-cycle instructions) | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Connectivity | — | SPI, UART/USART |
| LCD Controller | — | Yes (segment LCD driver) |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Low Power Technology | — | picoPower |
| Temperature Range | — | Industrial (Ind Temp) |
| Programming | — | ISP (In-System Programmable), read-while-write |