ATMEGA644P-20MU vs ATMEGA1284P-MU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MU par Microchip Technology et ATMEGA1284P-MU 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
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU NrndMicrochip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644P-20MU | ATMEGA1284P-MU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $5,02 | $4,10 |
| Core Architecture | AVR 8-bit enhanced RISC | 8-bit AVR RISC |
| Fréquence d'horloge maximale | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 128 KB (64K x 16) ISP, Read-While-Write |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| Tension d'alimentation | 4.5 V to 5.5 V (at 20 MHz) | — |
| USART Count | 2 | — |
| ADC | 10-bit, up to 8 channels | — |
| Interfaces | SPI, TWI (I2C-compatible), USART, JTAG | — |
| Boîtier | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | Industrial range | [DATA_NEEDED: temperature range for -MU speed grade] |
| MIPS Rating | Up to 20 MIPS (1 MIPS/MHz) | — |
| Statut RoHS | Green / RoHS compliant | Compliant (per Microchip product page) |
| Product Status | Mature product; not recommended for new designs, replaced by ATmega644PA | — |
| Max CPU Clock | — | 20 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| I/O Lines | — | 32 general purpose |
| USART | — | 2 |
| Timer/Counters | — | 3 (with compare modes and PWM) |
| Real Time Counter (RTC) | — | Yes |
| 10-bit ADC | — | 8 channels |
| TWI (I2C) | — | 1, byte-oriented 2-wire |
| SPI | — | 1 |
| Watchdog Timer | — | Yes, programmable with on-chip oscillator |
| Programming Interface | — | ISP via SPI, self-programming boot support |