ATMEGA649V-8AU vs ATMEGA649P-MU Comparison
Detailed side-by-side comparison of ATMEGA649V-8AU 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
ATMEGA649V-8AU - 64KB Flash 8MHz LCD AVR MCU | Microchip
ATMEGA649V-8AU ✓ ActiveMicrochip Technology
ATMEGA649P-MU - 8-bit AVR MCU 64KB Flash LCD 16MHz | Microchip
ATMEGA649P-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649V-8AU | ATMEGA649P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | 8-bit AVR RISC | — |
| Flash Memory | 64 KB (32K x 16), ISP, read-while-write | 64 KB (32K x 16) |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum Clock Speed | 8 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 I/O lines (69 available on 100-pin variant) | 54 / 69 |
| LCD Controller | Integrated segment LCD driver (up to 25 segments x 4 commons) | Yes (segment LCD driver) |
| ADC | 10-bit, 8 channels | — |
| Debug / Boundary Scan | JTAG interface (IEEE 1149.1 boundary-scan) | — |
| Working Registers | 32 general purpose registers | 32 general purpose |
| Programming | In-System Programmable (ISP), ICSP via MPLAB SNAP | ISP (In-System Programmable), read-while-write |
| Package | 64-TQFP, 14 x 14 mm | 64-QFN (9x9 mm), MLF/VQFN |
| Operating Temperature | -40C to +85C (industrial) | — |
| Data Bus Width | 8 Bit | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS / Green | GREEN package per ADatasheet listing | — |
| Peripherals | Timers, USART, SPI, TWI, RTC/TOSC pins | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Connectivity | — | SPI, UART/USART |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Low Power Technology | — | picoPower |
| Temperature Range | — | Industrial (Ind Temp) |
| RoHS Status | — | Green (RoHS compliant) |