ATMEGA644A-AUR vs ATMEGA644PA-AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA644A-AUR par Microchip Technology et ATMEGA644PA-AUR 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
ATMEGA644A-AUR - 8-bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644A-AUR ✓ ActifMicrochip Technology
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644A-AUR | ATMEGA644PA-AUR |
|---|---|---|
| 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) | $2,75 | $1,78 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC (Harvard) |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16), In-System Programmable, Read-While-Write | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| I/O Lines | 32 general purpose | — |
| USART | 2 programmable serial USARTs | 2 |
| Timer/Counters | 3 with compare modes and PWM | — |
| ADC | 8-channel, 10-bit, optional differential input | 8-channel 10-bit |
| Serial Interfaces | 2-wire (TWI/I2C), SPI, 2x USART | TWI (I2C-compatible), SPI |
| Real Time Counter | Yes (RTC) | — |
| Boîtier | 44-TQFP (10x10 mm) | 44-TQFP (10 x 10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | Industrial temperature range | — |
| Tension d'alimentation | [DATA_NEEDED: supply voltage range] | 2.5 V / 3.3 V / 5 V operation |
| Statut RoHS | Compliant | Compliant (GREEN) |
| Life Cycle Stage | ACTIVE | — |
| Flash Memory (ISP) | — | 64 KB (32K x 16) with read-while-write |
| Fréquence d'horloge maximale | — | 20 MHz |
| Maximum Throughput | — | 20 MIPS (1 MIPS per MHz) |
| Instructions | — | 131 instructions, mostly single-clock cycle |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Real-Time Counter | — | Yes |
| Low Power Technology | — | picoPower |
| Packaging | — | Tape & Reel (T/R) |