ATMEGA1284P-MU vs ATMEGA644PV-10MU Comparison
Detailed side-by-side comparison of ATMEGA1284P-MU by Microchip Technology and ATMEGA644PV-10MU 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
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActiveMicrochip Technology
ATMEGA644PV-10MU - 8-bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284P-MU | ATMEGA644PV-10MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $4.88 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | 64 KB (32K x 16) ISP Flash |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Lines | 32 general purpose | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| Real Time Counter (RTC) | Yes | — |
| 10-bit ADC | 8 channels | — |
| TWI (I2C) | 1, byte-oriented 2-wire | — |
| SPI | 1 | — |
| Watchdog Timer | Yes, programmable with on-chip oscillator | — |
| Package | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm), exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: temperature range for -MU speed grade] | -40C to +85C (industrial) |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| RoHS Status | Compliant (per Microchip product page) | Compliant (green package) |
| Maximum Clock Frequency | — | 10 MHz |
| Supply Voltage | — | 1.8 V (picoPower family low-voltage capable) |
| General Purpose I/O | — | 32 lines |
| ADC Resolution | — | 10 bit |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| USART Interfaces | — | 2 |
| Serial Interfaces | — | 2-wire (I2C/TWI), SPI |
| In-System Programming | — | Yes (read-while-write) |