ATMEGA644P-20AU vs ATMEGA1284P-AU Comparação
Comparação detalhada lado a lado de ATMEGA644P-20AU por Microchip Technology e ATMEGA1284P-AU por Microchip Technology. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Microchip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ AtivoMicrochip Technology
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ AtivoComparação de especificações
| Parâmetro | ATMEGA644P-20AU | ATMEGA1284P-AU |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $3,95 | $4,65 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | — |
| Frequência máxima de clock | 20 MHz | — |
| Program Memory Size | 64 KB (32K x 16) FLASH | — |
| Data RAM Size | 4 KB SRAM | — |
| EEPROM Size | 2 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V (20 MHz grade) | — |
| Number of USARTs | 2 | — |
| ADC Resolution | 10-bit | — |
| Peripherals | SPI, TWI (I2C), PWM timers, WDT, BOD | — |
| I/O Count | 32 | — |
| Encapsulamento | 44-TQFP (10x10 mm) | TQFP-44 (10x10 mm) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Temperatura de operação | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Throughput | Up to 20 MIPS at 20 MHz (approx. 1 MIPS/MHz) | — |
| Programming | In-System Programmable (ISP) via SPI | — |
| Status RoHS | Compliant (green package) | Compliant |
| Core Architecture | — | 8-bit AVR 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 |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| Nível MSL | — | 3 (per JEDEC J-STD-020) |