ATMEGA644A-AU vs ATMEGA644PA-AU Comparación
Comparación detallada lado a lado de ATMEGA644A-AU por Microchip Technology y ATMEGA644PA-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
ATMEGA644A-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ ActivoMicrochip Technology
ATMEGA644PA-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA644A-AU | ATMEGA644PA-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) | $5,40 | $4,61 |
| Core Architecture | 8-bit AVR enhanced RISC | AVR 8-bit RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | — |
| Program Memory Type | ISP FLASH with Read-While-Write | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 general purpose registers | — |
| USART | 2 | 2 |
| Timer/Counters | 3 (with compare modes and PWM) | 3 (with PWM and compare modes) |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Serial Interfaces | TWI (2-wire, I2C-compatible), SPI | — |
| Real Time Counter | Yes (RTC) | — |
| Encapsulado | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Device Series | ATmega644A | — |
| Family | — | ATmega |
| Series | — | ATmega644P / picoPower |
| Frecuencia de reloj máxima | — | 20 MHz |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| GPIO Pins | — | 32 |
| I2C (TWI) | — | 1 |
| SPI | — | 1 |
| MIPS | — | 20 MIPS at 20 MHz |
| Programming Interface | — | ISP / ICSP / JTAG / debugWIRE |
| Estado RoHS | — | Compliant |