ATMEGA644-20PU vs ATMEGA32A-PU Сравнение
Подробное сравнение бок о бок ATMEGA644-20PU от Microchip Technology и ATMEGA32A-PU от Microchip Technology. Сравните ключевые характеристики, электрические параметры, упаковку, статус жизненного цикла, цены и наличие, чтобы выбрать лучший компонент для ваших требований.
Microchip Technology
ATMEGA644-20PU - 8-bit AVR MCU 64KB 20MHz DIP-40 | Microchip
ATMEGA644-20PU ✓ АктивенСравнение характеристик
| Параметр | ATMEGA644-20PU | ATMEGA32A-PU |
|---|---|---|
| Бренд | Microchip Technology | Microchip Technology |
| Категория | Microcontrollers | Microcontrollers |
| Статус жизненного цикла | Активен | Активен |
| Наличие | In Stock | In Stock |
| Цена за единицу (USD) | $7,40 | $3,85 |
| Core Architecture | 8-bit AVR enhanced RISC | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| Program Memory Type | ISP FLASH (read-while-write) | — |
| SRAM | 4 KB | 2 KB |
| EEPROM | 2 KB | 1 KB |
| Максимальная тактовая частота | 20 MHz | 16 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 32 I/O lines | — |
| USARTs | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| Serial Interfaces | SPI, TWI (I2C compatible) | — |
| ADC Resolution | 10-bit | — |
| JTAG | Yes (IEEE 1149.1 boundary scan, on-chip debug) | — |
| Sleep Modes | 5 (including power-down, power-save) | — |
| Корпус | 40-PDIP (0.600 in, 15.24 mm) | 40-pin PDIP (PU) |
| Тип монтажа | Through-Hole | Through-Hole |
| Рабочая температура | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Статус RoHS | Compliant (Green) | Compliant |
| Architecture | — | AVR 8-bit RISC (modified Harvard) |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Instruction Throughput | — | 16 MIPS at 16 MHz |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 32 programmable |
| ADC | — | 8-channel, 10-bit |
| Timers/Counters | — | Two 8-bit, one 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Debug Interface | — | JTAG (IEEE 1149.1) |