ATMEGA645A-AUR vs ATMEGA645-16AI Comparação
Comparação detalhada lado a lado de ATMEGA645A-AUR por Microchip Technology e ATMEGA645-16AI 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
ATMEGA645A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AUR ✓ AtivoMicrochip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI ✓ AtivoComparação de especificações
| Parâmetro | ATMEGA645A-AUR | ATMEGA645-16AI |
|---|---|---|
| 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) | $4,68 | $6,45 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Operating Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP FLASH | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Operating Voltage Range | 2.5 V / 3.3 V / 5 V (per datasheet family listing) | 2.7 V to 5.5 V |
| General Purpose I/O | 54 I/O lines | — |
| Working Registers | 32 x 8-bit | — |
| ADC | 10-bit, 8 channels | 8-channel, 10-bit |
| LCD Controller | Yes, segment driver (megaAVR LCD family) | — |
| Timers | Two 8-bit, one 16-bit | — |
| Serial Interfaces | 2 x USART, SPI, TWI (I2C compatible) | — |
| Debug / Programming | JTAG, ICSP (In-Circuit Serial Programming) | — |
| Encapsulamento | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| Operating Temperature (Max) | 85 C | — |
| Tipo de montagem | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | — |
| Status RoHS | Compliant | Compliant |
| Flash Program Memory | — | 64 KB (32K x 16) ISP |
| Frequência máxima de clock | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Programmable I/O | — | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | — | Yes (on-chip debugging and boundary scan) |
| Instruction Set | — | 130 instructions, mostly single-cycle |
| Temperatura de operação | — | -40C to +85C (industrial, I grade) |
| Interfaces | — | USART, SPI, TWI (I2C) |
| ISP Capability | — | In-System Programmable Flash |