ATMEGA644PV-10MU vs ATMEGA1284P-MU Comparison
Detailed side-by-side comparison of ATMEGA644PV-10MU by Microchip Technology and ATMEGA1284P-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
ATMEGA644PV-10MU - 8-bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10MU ✓ ActiveMicrochip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA644PV-10MU | ATMEGA1284P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.88 | $4.10 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 128 KB (64K x 16) ISP, Read-While-Write |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 16 KB |
| 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 | — |
| Package | 44-VQFN (7x7 mm), exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: temperature range for -MU speed grade] |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant (green package) | Compliant (per Microchip product page) |
| In-System Programming | Yes (read-while-write) | — |
| Max CPU Clock | — | 20 MHz |
| 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 |
| Programming Interface | — | ISP via SPI, self-programming boot support |