ATMEGA644-20AU vs ATMEGA1284P-AU Comparación
Comparación detallada lado a lado de ATMEGA644-20AU 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
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndMicrochip Technology
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActivoComparación de especificaciones
| Parámetro | ATMEGA644-20AU | ATMEGA1284P-AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoría | Microcontrollers | Microcontrollers |
| Estado del ciclo de vida | NRND | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $4,96 | $4,65 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory | 64 KB In-System Programmable Flash (32K x 16) | — |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| Frecuencia de reloj máxima | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Pins | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit successive approximation | 10-bit, 8-channel |
| USART Interfaces | 2 | — |
| Timer/Counters | 2 x 8-bit, 1 x 16-bit with compare and PWM modes | 2x 8-bit, 2x 16-bit |
| Two-Wire Serial Interface | 1 (byte-oriented, I2C compatible) | — |
| SPI Interface | 1 (master/slave) | — |
| Encapsulado | 44-TQFP (10x10 mm) | TQFP-44 (10x10 mm) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Rango de temperatura de funcionamiento | -40C to +85C | — |
| Debug Interface | JTAG (IEEE 1149.1) with on-chip debug | — |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | — |
| Estado RoHS | Compliant | Compliant |
| Program Memory (Flash) | — | 128 KB |
| Maximum CPU Speed | — | 20 MHz |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| USART | — | 2 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| PWM Channels | — | 6 |
| Temperatura de funcionamiento | — | -40C to +85C (industrial) |
| 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) |