ATMEGA1284P-AU vs ATMEGA644P-20AQR Comparación
Comparación detallada lado a lado de ATMEGA1284P-AU por Microchip Technology y ATMEGA644P-20AQR 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
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActivoMicrochip Technology
ATMEGA644P-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA1284P-AU | ATMEGA644P-20AQR |
|---|---|---|
| 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) | $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 | — |
| Encapsulado | TQFP-44 (10x10 mm) | — |
| Tipo de montaje | Surface Mount | Surface Mount |
| Temperatura de funcionamiento | -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] | — |
| Estado RoHS | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Nivel MSL | 3 (per JEDEC J-STD-020) | — |
| 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) |
| 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] |
| Packaging | — | Tape & Reel (TR) |
| Programming Interface | — | ICSP (SPI) and JTAG |