ATMEGA649P-MU vs ATMEGA649V-8AU Comparison
Detailed side-by-side comparison of ATMEGA649P-MU by Microchip Technology and ATMEGA649V-8AU 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
ATMEGA649V-8AU - 64KB Flash 8MHz LCD AVR MCU | Microchip
ATMEGA649V-8AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA649P-MU | ATMEGA649V-8AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.91 | $7.28 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16), ISP, read-while-write |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Connectivity | SPI, UART/USART | — |
| General Purpose I/O | 54 / 69 | 54 I/O lines (69 available on 100-pin variant) |
| LCD Controller | Yes (segment LCD driver) | Integrated segment LCD driver (up to 25 segments x 4 commons) |
| Operating Voltage | 1.8 V to 5.5 V | — |
| Working Registers | 32 general purpose | 32 general purpose registers |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Low Power Technology | picoPower | — |
| Package | 64-QFN (9x9 mm), MLF/VQFN | 64-TQFP, 14 x 14 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (Ind Temp) | — |
| RoHS Status | Green (RoHS compliant) | — |
| Programming | ISP (In-System Programmable), read-while-write | In-System Programmable (ISP), ICSP via MPLAB SNAP |
| Core | — | 8-bit AVR RISC |
| Maximum Clock Speed | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| ADC | — | 10-bit, 8 channels |
| Debug / Boundary Scan | — | JTAG interface (IEEE 1149.1 boundary-scan) |
| Operating Temperature | — | -40C to +85C (industrial) |
| Data Bus Width | — | 8 Bit |
| RoHS / Green | — | GREEN package per ADatasheet listing |
| Peripherals | — | Timers, USART, SPI, TWI, RTC/TOSC pins |