ATMEGA644P-20MU vs ATMEGA1284P-MU مقایسه
مقایسه دقیق کنار به کنار ATMEGA644P-20MU توسط Microchip Technology و ATMEGA1284P-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
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU NrndMicrochip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ فعالمقایسه مشخصات
| پارامتر | ATMEGA644P-20MU | ATMEGA1284P-MU |
|---|---|---|
| برند | Microchip Technology | Microchip Technology |
| دسته‌بندی | Microcontrollers | Microcontrollers |
| وضعیت چرخه عمر | NRND | فعال |
| Core Architecture | AVR 8-bit enhanced RISC | 8-bit AVR RISC |
| حداکثر فرکانس کلاک | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 128 KB (64K x 16) ISP, Read-While-Write |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| ولتاژ تغذیه | 4.5 V to 5.5 V (at 20 MHz) | — |
| USART Count | 2 | — |
| ADC | 10-bit, up to 8 channels | — |
| Interfaces | SPI, TWI (I2C-compatible), USART, JTAG | — |
| بسته‌بندی | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| نوع نصب | Surface Mount | Surface Mount |
| دمای کاری | Industrial range | [DATA_NEEDED: temperature range for -MU speed grade] |
| MIPS Rating | Up to 20 MIPS (1 MIPS/MHz) | — |
| وضعیت RoHS | Green / RoHS compliant | Compliant (per Microchip product page) |
| Product Status | Mature product; not recommended for new designs, replaced by ATmega644PA | — |
| Max CPU Clock | — | 20 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| I/O Lines | — | 32 general purpose |
| USART | — | 2 |
| Timer/Counters | — | 3 (with compare modes and PWM) |
| Real Time Counter (RTC) | — | Yes |
| 10-bit ADC | — | 8 channels |
| TWI (I2C) | — | 1, byte-oriented 2-wire |
| SPI | — | 1 |
| Watchdog Timer | — | Yes, programmable with on-chip oscillator |
| Programming Interface | — | ISP via SPI, self-programming boot support |