ATMEGA644PA-AU vs ATMEGA644A-AU Comparaison
Comparaison détaillée côte à côte de ATMEGA644PA-AU par Microchip Technology et ATMEGA644A-AU 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-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ ActifMicrochip Technology
ATMEGA644A-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644PA-AU | ATMEGA644A-AU |
|---|---|---|
| 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) | $4,61 | $5,40 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Family | ATmega | — |
| Series | ATmega644P / picoPower | — |
| Fréquence d'horloge maximale | 20 MHz | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Température de fonctionnement | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| GPIO Pins | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| USART | 2 | 2 |
| I2C (TWI) | 1 | — |
| SPI | 1 | — |
| Timer/Counters | 3 (with PWM and compare modes) | 3 (with compare modes and PWM) |
| Boîtier | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Type de montage | Surface Mount | Surface Mount |
| MIPS | 20 MIPS at 20 MHz | — |
| Programming Interface | ISP / ICSP / JTAG / debugWIRE | — |
| Statut RoHS | Compliant | — |
| Program Memory Size | — | 64 KB Flash (32K x 16) |
| Program Memory Type | — | ISP FLASH with Read-While-Write |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose registers |
| Serial Interfaces | — | TWI (2-wire, I2C-compatible), SPI |
| Real Time Counter | — | Yes (RTC) |
| Device Series | — | ATmega644A |