ATMEGA1284P-MU vs ATMEGA644P-20MU Comparaison
Comparaison détaillée côte à côte de ATMEGA1284P-MU par Microchip Technology et ATMEGA644P-20MU 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-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActifMicrochip Technology
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU NrndComparaison des spécifications
| Paramètre | ATMEGA1284P-MU | ATMEGA644P-20MU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | NRND |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $4,10 | $5,02 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit enhanced RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | 64 KB (32K x 16) |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| 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 | — |
| Boîtier | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm) exposed pad |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | [DATA_NEEDED: temperature range for -MU speed grade] | Industrial range |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| Statut RoHS | Compliant (per Microchip product page) | Green / RoHS compliant |
| Fréquence d'horloge maximale | — | 20 MHz |
| 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 |
| MIPS Rating | — | Up to 20 MIPS (1 MIPS/MHz) |
| Product Status | — | Mature product; not recommended for new designs, replaced by ATmega644PA |