ATMEGA644-20MUR vs ATMEGA644PA-MU مقایسه
مقایسه دقیق کنار به کنار ATMEGA644-20MUR توسط Microchip Technology و ATMEGA644PA-MU توسط Microchip Technology. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
Microchip Technology
ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20MUR ✓ فعالMicrochip Technology
ATMEGA644PA-MU - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644PA-MU ✓ فعالمقایسه مشخصات
| پارامتر | ATMEGA644-20MUR | ATMEGA644PA-MU |
|---|---|---|
| برند | Microchip Technology | Microchip Technology |
| دسته‌بندی | Microcontrollers | Microcontrollers |
| وضعیت چرخه عمر | فعال | فعال |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 20 MHz | — |
| Program Memory (Flash) | 64KB (32K x 16) | — |
| SRAM | 4KB | 4 KB |
| EEPROM | 2KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.5 V / 3.3 V / 5 V class (per distributor listing: 2.5V/3.3V/5V) |
| عرض گذرگاه داده | 8 Bit | — |
| General Purpose I/O | 32 I/O lines | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| ADC | 10-bit | 8-channel 10-bit ADC |
| Programming Interface | ICSP (In-Circuit Serial Programming), debugWIRE | — |
| دمای کاری | Industrial (-40C to +85C) | — |
| بسته‌بندی | 44-VQFN (7x7 mm) Exposed Pad | 44-VQFN (7x7 mm), exposed pad |
| نوع نصب | Surface Mount | Surface Mount |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | RoHS compliant (per Microchip product listing) |
| Lifecycle Stage | ACTIVE | — |
| Core Frequency | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP Flash, read-while-write |
| GPIO Count | — | 32 |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| Instructions | — | 131 instructions, most single-cycle |
| Timer/Counters | — | Three flexible timer/counters with compare modes and PWM |
| USART | — | Two programmable serial USARTs |
| Serial Interfaces | — | Two-Wire Interface (I2C-compatible), SPI |
| RTC | — | Real Time Counter with separate oscillator |
| Low Power Technology | — | picoPower |
| Data Sheet Document Number | — | DS40002070A (per Microchip ATMEGA644PA-MU data sheet) |