ATMEGA644A-MUR vs ATMEGA1284P-MUR مقایسه
مقایسه دقیق کنار به کنار ATMEGA644A-MUR توسط Microchip Technology و ATMEGA1284P-MUR 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
ATMEGA644A-MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644A-MUR ✓ فعالMicrochip Technology
ATMEGA1284P-MUR - 8-bit AVR MCU 20MHz 128KB Flash | Microchip
ATMEGA1284P-MUR ✓ فعالمقایسه مشخصات
| پارامتر | ATMEGA644A-MUR | ATMEGA1284P-MUR |
|---|---|---|
| برند | Microchip Technology | Microchip Technology |
| دسته‌بندی | Microcontrollers | Microcontrollers |
| وضعیت چرخه عمر | فعال | فعال |
| Core Architecture | AVR enhanced RISC, 8-bit | — |
| Flash Memory | 64 KB (32K x 16) ISP Flash with read-while-write | — |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| حداکثر فرکانس کلاک | 20 MHz | — |
| CPU Throughput | Up to 20 MIPS at 20 MHz (1 MIPS per MHz) | — |
| General Purpose I/O | 32 I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | 32 x 8 general purpose |
| USART Channels | 2 | — |
| Timers/Counters | 3 flexible timers with compare modes and PWM | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | TWI (I2C, byte-oriented), SPI, 2x USART |
| Real-Time Counter | Yes | — |
| بسته‌بندی | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm), exposed pad |
| دمای کاری | Industrial, -40C to +85C | — |
| Supply Voltage Options | 2.5 V / 3.3 V / 5 V | — |
| Supply Voltage Range | [DATA_NEEDED: exact VCC min/max per datasheet table] | 2.7 V to 5.5 V |
| On-Chip Debug | JTAG | — |
| وضعیت RoHS | Compliant | — |
| نوع نصب | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | — |
| Core | — | AVR 8-bit RISC |
| Max Clock Frequency | — | 20 MHz |
| Flash Program Memory | — | 128 KB (64K x 16), In-System Programmable |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| General Purpose I/O Lines | — | 32 |
| USARTs | — | 2 |
| Timer/Counters | — | 3 (with compare modes and PWM) |
| ADC | — | 8-channel, 10-bit |
| Real Time Counter | — | Yes (RTC) |
| Instructions | — | 131 instructions, most single-cycle |
| Multiplier | — | On-chip 2-cycle hardware multiplier |
| Debug / Programming | — | ISP (In-Circuit Serial Programming), JTAG |
| Life Cycle Stage | — | Active |