ATMEGA644P-20AQR vs ATMEGA1284P-AU Comparación
Comparación detallada lado a lado de ATMEGA644P-20AQR por Microchip Technology y ATMEGA1284P-AU por Microchip Technology. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Microchip Technology
ATMEGA644P-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ ActivoMicrochip Technology
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA644P-20AQR | ATMEGA1284P-AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $5,95 | $4,65 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Core Size | 8-Bit | — |
| Frecuencia de reloj máxima | 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 | — |
| Encapsulado / Carcasa | 44-TQFP (10 x 10 mm) | — |
| Tipo de montaje | Surface Mount | Surface Mount |
| Oscillator Type | Internal | — |
| Peripherals | Dual USART, 10-bit ADC, JTAG, picoPower features | — |
| Instructions | 131 powerful instructions, most single-clock cycle | — |
| Tensión de alimentación | 5 V (industrial per Mouser listing); [DATA_NEEDED: exact VCC min/max range] | — |
| Temperatura de funcionamiento | [DATA_NEEDED: temperature range - Mouser lists IND (industrial)] | -40C to +85C (industrial) |
| Packaging | Tape & Reel (TR) | — |
| Programming Interface | ICSP (SPI) and JTAG | — |
| Estado RoHS | [DATA_NEEDED: RoHS compliance status] | Compliant |
| 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 |
| Encapsulado | — | TQFP-44 (10x10 mm) |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| Nivel MSL | — | 3 (per JEDEC J-STD-020) |