ATMEGA644P-20MQR vs ATMEGA644PA-AU Comparação
Comparação detalhada lado a lado de ATMEGA644P-20MQR por Microchip Technology e ATMEGA644PA-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
ATMEGA644PA-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ AtivoComparação de especificações
| Parâmetro | ATMEGA644P-20MQR | ATMEGA644PA-AU |
|---|---|---|
| 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) | $4,30 | $4,61 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed (Max Clock) | 20 MHz | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4K x 8) | 4 KB |
| EEPROM | 2 KB | 2 KB |
| Number of I/O | 32 | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V (at 20 MHz) | — |
| Oscillator Type | Internal | — |
| USART Count | 2 (P variant dual USART) | — |
| Timers | Two 8-bit, one 16-bit | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Communication Interfaces | USART x2, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | — |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| Low Power Technology | picoPower | — |
| Temperatura de operação | -40C to +105C (extended, M grade) | -40C to +85C (industrial) |
| Encapsulamento / Caixa | 44-VQFN (7x7 mm) exposed pad (MLF) | — |
| Tipo de montagem | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| RoHS / Green Status | GREEN, RoHS compliant | — |
| Core Architecture | — | AVR 8-bit RISC |
| Family | — | ATmega |
| Series | — | ATmega644P / picoPower |
| Frequência máxima de clock | — | 20 MHz |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Pins | — | 32 |
| USART | — | 2 |
| I2C (TWI) | — | 1 |
| SPI | — | 1 |
| Timer/Counters | — | 3 (with PWM and compare modes) |
| Encapsulamento | — | 44-pin TQFP (10x10 mm) |
| MIPS | — | 20 MIPS at 20 MHz |
| Programming Interface | — | ISP / ICSP / JTAG / debugWIRE |
| Status RoHS | — | Compliant |