ATMEGA644-20AU vs ATMEGA644PA-AUR Comparação
Comparação detalhada lado a lado de ATMEGA644-20AU por Microchip Technology e ATMEGA644PA-AUR 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
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndMicrochip Technology
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ AtivoComparação de especificações
| Parâmetro | ATMEGA644-20AU | ATMEGA644PA-AUR |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | NRND | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $4,96 | $1,78 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC (Harvard) |
| Program Memory | 64 KB In-System Programmable Flash (32K x 16) | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Frequência máxima de clock | 20 MHz | 20 MHz |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O Pins | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit successive approximation | 8-channel 10-bit |
| USART Interfaces | 2 | — |
| Timer/Counters | 2 x 8-bit, 1 x 16-bit with compare and PWM modes | — |
| Two-Wire Serial Interface | 1 (byte-oriented, I2C compatible) | — |
| SPI Interface | 1 (master/slave) | — |
| Encapsulamento | 44-TQFP (10x10 mm) | 44-TQFP (10 x 10 mm) |
| Tipo de montagem | Surface Mount | Surface Mount |
| Faixa de temperatura de operação | -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) | — |
| Status RoHS | Compliant | Compliant (GREEN) |
| Flash Memory (ISP) | — | 64 KB (32K x 16) with read-while-write |
| Maximum Throughput | — | 20 MIPS (1 MIPS per MHz) |
| Instructions | — | 131 instructions, mostly single-clock cycle |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| USART | — | 2 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| Real-Time Counter | — | Yes |
| Tensão de alimentação | — | 2.5 V / 3.3 V / 5 V operation |
| Low Power Technology | — | picoPower |
| Packaging | — | Tape & Reel (T/R) |