ATMEGA644PA-AUR vs ATMEGA1284P-AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA644PA-AUR par Microchip Technology et ATMEGA1284P-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
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ ActifMicrochip Technology
ATMEGA1284P-AUR - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44 (Tape & Reel)
ATMEGA1284P-AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644PA-AUR | ATMEGA1284P-AUR |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Actif |
| Core Architecture | 8-bit AVR RISC (Harvard) | 8-bit AVR RISC |
| Flash Memory (ISP) | 64 KB (32K x 16) with read-while-write | — |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| 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 | — |
| USART | 2 | 2 |
| Serial Interfaces | TWI (I2C-compatible), SPI | — |
| ADC | 8-channel 10-bit | 10-bit, 8-channel |
| Real-Time Counter | Yes | — |
| Tension d'alimentation | 2.5 V / 3.3 V / 5 V operation | — |
| Boîtier | 44-TQFP (10 x 10 mm) | TQFP-44 (10x10 mm) |
| Low Power Technology | picoPower | — |
| Type de montage | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (T/R) | — |
| Statut RoHS | Compliant (GREEN) | Compliant |
| Program Memory (Flash) | — | 128 KB |
| Maximum CPU Speed | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Timer/Counters | — | 2x 8-bit, 2x 16-bit |
| PWM Channels | — | 6 |
| Température de fonctionnement | — | -40C to +85C (industrial) |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| Niveau MSL | — | 3 (per JEDEC J-STD-020) |