ATMEGA1284P-MU vs ATMEGA644PA-MU Comparaison
Comparaison détaillée côte à côte de ATMEGA1284P-MU par Microchip Technology et ATMEGA644PA-MU par Microchip Technology. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Microchip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActifMicrochip Technology
ATMEGA644PA-MU - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644PA-MU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA1284P-MU | ATMEGA644PA-MU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $4,10 | $3,78 |
| 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, read-while-write |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5 V / 3.3 V / 5 V class (per distributor listing: 2.5V/3.3V/5V) |
| I/O Lines | 32 general purpose | — |
| USART | 2 | Two programmable serial USARTs |
| Timer/Counters | 3 (with compare modes and PWM) | Three flexible timer/counters 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 | — |
| Boîtier | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm), exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | [DATA_NEEDED: temperature range for -MU speed grade] | — |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| Statut RoHS | Compliant (per Microchip product page) | RoHS compliant (per Microchip product listing) |
| Core Frequency | — | 20 MHz |
| GPIO Count | — | 32 |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| Instructions | — | 131 instructions, most single-cycle |
| Serial Interfaces | — | Two-Wire Interface (I2C-compatible), SPI |
| ADC | — | 8-channel 10-bit ADC |
| RTC | — | Real Time Counter with separate oscillator |
| Low Power Technology | — | picoPower |
| Data Sheet Document Number | — | DS40002070A (per Microchip ATMEGA644PA-MU data sheet) |