ATMEGA644P-20MQR vs ATMEGA644P-20MQ Comparação
Comparação detalhada lado a lado de ATMEGA644P-20MQR por Microchip Technology e ATMEGA644P-20MQ 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-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndComparação de especificações
| Parâmetro | ATMEGA644P-20MQR | ATMEGA644P-20MQ |
|---|---|---|
| Marca | Microchip Technology | Microchip Technology |
| Categoria | Microcontrollers | Microcontrollers |
| Status do ciclo de vida | NRND | NRND |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $4,30 | $2,48 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed (Max Clock) | 20 MHz | — |
| Flash Program Memory | 64 KB (32K x 16) | 64 KB (32K x 16) |
| SRAM | 4 KB (4K x 8) | 4 KB (4,096 bytes) |
| EEPROM | 2 KB | 2 KB (2,048 bytes) |
| Number of I/O | 32 | 32 |
| Supply Voltage (VCC) | 4.5 V to 5.5 V (at 20 MHz) | — |
| Oscillator Type | Internal | Internal |
| USART Count | 2 (P variant dual USART) | — |
| Timers | Two 8-bit, one 16-bit | — |
| ADC | 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) | — |
| Encapsulamento / Caixa | 44-VQFN (7x7 mm) exposed pad (MLF) | — |
| Tipo de montagem | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| RoHS / Green Status | GREEN, RoHS compliant | — |
| Core Architecture | — | AVR 8-bit RISC |
| CPU Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS (1 MIPS per MHz) |
| Operating Voltage | — | 5 V |
| Digital Communication Peripherals | — | 2 UART |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Encapsulamento | — | 44-VQFN (7x7 mm) with exposed pad |
| Temperature Grade | — | Industrial, extended temperature |
| Technology Feature | — | picoPower low-power, green/RoHS |
| Programming | — | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible |
| Lifecycle | — | Mature; NRND - replaced by ATmega644PA |