ATMEGA644P-20MQR vs ATMEGA644-20AU Сравнение
Подробное сравнение бок о бок ATMEGA644P-20MQR от Microchip Technology и ATMEGA644-20AU от Microchip Technology. Сравните ключевые характеристики, электрические параметры, упаковку, статус жизненного цикла, цены и наличие, чтобы выбрать лучший компонент для ваших требований.
Microchip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndСравнение характеристик
| Параметр | ATMEGA644P-20MQR | ATMEGA644-20AU |
|---|---|---|
| Бренд | Microchip Technology | Microchip Technology |
| Категория | Microcontrollers | Microcontrollers |
| Статус жизненного цикла | NRND | NRND |
| Наличие | In Stock | In Stock |
| Цена за единицу (USD) | $4,30 | $4,96 |
| 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 successive approximation |
| Communication Interfaces | USART x2, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | JTAG (IEEE 1149.1) with on-chip debug |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| Low Power Technology | picoPower | — |
| Рабочая температура | -40C to +105C (extended, M grade) | — |
| Корпус / Типоразмер | 44-VQFN (7x7 mm) exposed pad (MLF) | — |
| Тип монтажа | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| RoHS / Green Status | GREEN, RoHS compliant | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| Максимальная тактовая частота | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O Pins | — | 32 |
| General Purpose Working Registers | — | 32 |
| USART Interfaces | — | 2 |
| Timer/Counters | — | 2 x 8-bit, 1 x 16-bit with compare and PWM modes |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| SPI Interface | — | 1 (master/slave) |
| Корпус | — | 44-TQFP (10x10 mm) |
| Диапазон рабочих температур | — | -40C to +85C |
| Sleep Modes | — | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |
| Статус RoHS | — | Compliant |