ATMEGA1284P-AUR vs ATMEGA644A-AUR Comparaison
Comparaison détaillée côte à côte de ATMEGA1284P-AUR par Microchip Technology et ATMEGA644A-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
ATMEGA1284P-AUR - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44 (Tape & Reel)
ATMEGA1284P-AUR ✓ ActifMicrochip Technology
ATMEGA644A-AUR - 8-bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644A-AUR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA1284P-AUR | ATMEGA644A-AUR |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Actif |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Maximum CPU Speed | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| I/O Pins | 32 | — |
| General-Purpose Registers | 32 | — |
| ADC | 10-bit, 8-channel | 8-channel, 10-bit, optional differential input |
| USART | 2 | 2 programmable serial USARTs |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Timer/Counters | 2x 8-bit, 2x 16-bit | 3 with compare modes and PWM |
| PWM Channels | 6 | — |
| Boîtier | TQFP-44 (10x10 mm) | 44-TQFP (10x10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) | Industrial temperature range |
| In-System Programming | Yes (SPI) | — |
| JTAG Debug | Yes (IEEE 1149.1) | — |
| Power-Down Current | [DATA_NEEDED: power-down current in nA] | — |
| Statut RoHS | Compliant | Compliant |
| Niveau MSL | 3 (per JEDEC J-STD-020) | — |
| Max Clock Frequency | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16), In-System Programmable, Read-While-Write |
| I/O Lines | — | 32 general purpose |
| Serial Interfaces | — | 2-wire (TWI/I2C), SPI, 2x USART |
| Real Time Counter | — | Yes (RTC) |
| Tension d'alimentation | — | [DATA_NEEDED: supply voltage range] |
| Life Cycle Stage | — | ACTIVE |