ATMEGA644A-AU vs ATMEGA32A-AN Comparaison
Comparaison détaillée côte à côte de ATMEGA644A-AU par Microchip Technology et ATMEGA32A-AN 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-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ ActifMicrochip Technology
ATMEGA32A-AN - 8-bit AVR MCU, 32KB Flash, 16MHz, 44-TQFP | Microchip
ATMEGA32A-AN ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644A-AU | ATMEGA32A-AN |
|---|---|---|
| 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) | $5,40 | $3,40 |
| Core Architecture | 8-bit AVR enhanced RISC | 8-bit AVR enhanced RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | — |
| Program Memory Type | ISP FLASH with Read-While-Write | — |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 general purpose registers | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | Two 8-bit + one 16-bit |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Serial Interfaces | TWI (2-wire, I2C-compatible), SPI | — |
| Real Time Counter | Yes (RTC) | — |
| Boîtier | 44-TQFP (10x10 mm) | 44-pin TQFP, 10x10 mm, 0.8 mm pitch |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -40C to +85C (Industrial) | — |
| Device Series | ATmega644A | — |
| Program Memory (Flash) | — | 32 KB |
| Maximum CPU Clock | — | 16 MHz |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 32 |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Debug Interface | — | JTAG (IEEE 1149.1 compliant OCD) |
| Brown-Out Detector | — | Yes, programmable threshold |
| Watchdog Timer | — | Yes, with internal oscillator |
| Plage de température de fonctionnement | — | -40 C to +105 C (industrial) |
| Niveau MSL | — | MSL3 (per JEDEC J-STD-020) |
| Statut RoHS | — | Compliant |
| Lead-Free | — | Yes |
| AEC-Q100 Automotive | — | Not qualified |