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ATMEGA644PA-MU
+NomenclatureIC MCU 8BIT 64KB FLASH 44VQFN
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FabricantEtmel
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Pièce fabricant #ATMEGA644PA-MU
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Fiche technique ATMEGA644PA-MU DataSheet
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Package VQFN-44
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En stock3488
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Spécifications
| Attribut | Valeur |
| Package | Bulk |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 32 |
| ProgramMemorySize | 64KB (32K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 2K x 8 |
| RAMSize | 4K x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.8V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-VFQFN Exposed Pad |
Présentation
Description
Operating at a maximum clock frequency of 20 MHz, this microcontroller offers 32 general-purpose I/O lines, making it suitable for a variety of applications. It supports peripheral interfaces such as USART, SPI, and I²C, enabling communication with other devices. The ATMEGA644PA-MU includes features like a 10-bit ADC, multiple timers, PWM channels, and a watchdog timer, enhancing its functionality.
The device operates over a voltage range of 1.8V to 5.5V, making it versatile for different power supply conditions. Packaged in a 44-pin QFN (Quad Flat No-leads), it is compact, facilitating integration into space-constrained designs. Ideal for applications in consumer electronics, automotive, and industrial automation, the ATMEGA644PA-MU provides a reliable solution for complex control applications.
Equivalent
1. ATMEGA1284P - A similar AVR microcontroller with more memory.
2. ATMEGA328P - Offers similar features but with less memory.
3. PIC18F46K22 - A Microchip 8-bit microcontroller with comparable capabilities.
4. ATMEGA32 - A lower memory option in the same AVR family.
5. STM32F030K6 - A 32-bit ARM Cortex-M0 microcontroller with similar applications.
These alternatives offer various feature sets suitable for different applications.
Features
Key features include 32 general-purpose I/O lines for versatile connectivity, a 10-bit ADC with up to 8 channels for analog-to-digital conversion, and USART, SPI, and TWI (I2C) interfaces for communication. The microcontroller operates at speeds up to 20 MHz and supports various power-saving modes, making it suitable for energy-efficient applications.
Additional features include a JTAG interface for on-chip debugging, watchdog timer, and real-time counter with separate oscillator. The ATMEGA644PA-MU is housed in a compact QFN-44 package, making it ideal for space-constrained applications. It is commonly used in embedded systems, consumer electronics, and industrial automation.
Pinout
- CPU: 8-bit AVR CPU.
- Flash Memory: 64 KB In-System Programmable Flash.
- SRAM: 4 KB.
- EEPROM: 2 KB.
- I/O Pins: 32 general-purpose I/O lines.
- Timers: Two 8-bit timers/counters, and one 16-bit timer/counter.
- PWM: Pulse Width Modulation support.
- ADC: 10-bit ADC with 8 channels.
- USART: Two USARTs for serial communication.
- SPI: Master/Slave SPI serial interface.
- TWI (I2C): Two-wire serial interface.
- Watchdog Timer: Programmable watchdog timer with separate on-chip oscillator.
- Clock Options: Internal and external clock support.
- Power: Advanced power management features.
These features make the ATMEGA644PA-MU suitable for applications requiring efficient processing, communication, and control in embedded systems.