ATMEGA1284P-AU vs ATMEGA644P-20AQR Comparaison
Comparaison détaillée côte à côte de ATMEGA1284P-AU par Microchip Technology et ATMEGA644P-20AQR 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-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActifMicrochip Technology
ATMEGA644P-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA1284P-AU | ATMEGA644P-20AQR |
|---|---|---|
| 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) | $4,65 | $5,95 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | — |
| SRAM | 16 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 | — |
| USART | 2 | — |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Timer/Counters | 2x 8-bit, 2x 16-bit | — |
| PWM Channels | 6 | — |
| Boîtier | TQFP-44 (10x10 mm) | — |
| Type de montage | Surface Mount | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) | [DATA_NEEDED: temperature range - Mouser lists IND (industrial)] |
| In-System Programming | Yes (SPI) | — |
| JTAG Debug | Yes (IEEE 1149.1) | — |
| Power-Down Current | [DATA_NEEDED: power-down current in nA] | — |
| Statut RoHS | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Niveau MSL | 3 (per JEDEC J-STD-020) | — |
| Core Size | — | 8-Bit |
| Fréquence d'horloge maximale | — | 20 MHz |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| Program Memory Type | — | In-System Programmable Flash |
| RAM Size | — | 4 KB (4K x 8) SRAM |
| EEPROM Size | — | 2 KB |
| Number of I/O | — | 32 |
| Boîtier / Format | — | 44-TQFP (10 x 10 mm) |
| Oscillator Type | — | Internal |
| Peripherals | — | Dual USART, 10-bit ADC, JTAG, picoPower features |
| Instructions | — | 131 powerful instructions, most single-clock cycle |
| Tension d'alimentation | — | 5 V (industrial per Mouser listing); [DATA_NEEDED: exact VCC min/max range] |
| Packaging | — | Tape & Reel (TR) |
| Programming Interface | — | ICSP (SPI) and JTAG |