Description
Overview of this ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved CH340G Board
Introducing the ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved CH340G Board, a robust microcontroller board designed for versatile applications. Based on the ATmega2560, this board features a USB host interface for Android connectivity, using the MAX3421E IC. It offers 54 digital I/O pins, 16 analog inputs, and a 16 MHz crystal oscillator, providing extensive connectivity options. The board also includes a USB connection, power jack, ICSP header, and reset button for seamless integration.
The ATmega16U2 2560 R3 Improved CH340G Board stands out with its enhanced USB-to-serial conversion capabilities, thanks to the ATmega8U2 chip. The improved design includes added SDA and SCL pins near the AREF pin, and two new pins near the reset pin for future compatibility. This board supports both 5V and 3.3V shields, ensuring flexibility for various projects. With a stronger reset circuit, it offers increased reliability and performance.
Ideal for advanced development, the ATmega 2560 R3 Arduino Mega 2560 CH340G USB board can be powered via USB or external power supply. The automatic power source selection simplifies usage, whether using an AC-to-DC adapter or battery. Designed as a USB host, it can power connected devices like Android phones, providing up to 500mA when powered via USB. Perfect for complex projects, this board offers a reliable and versatile platform for developers.
Features
- Microcontroller and Conversion: The board features the ATmega2560 microcontroller and the CH340G USB-to-serial converter. This provides robust processing power and reliable USB connectivity.
- Comprehensive I/O Options: It offers 54 digital I/O pins, with 15 capable of PWM output. Additionally, it includes 16 analog input pins, supporting extensive sensor integration.
- Multiple Communication Ports: The board has 4 UARTs, enabling multiple hardware serial communications. This facilitates easy interfacing with various peripherals and modules.
- Flexible Power Supply: It can be powered via USB, AC-to-DC adapter, or battery. The power source selection is automatic, ensuring seamless operation.
- Enhanced Connectivity Features: The board includes SDA, SCL, and IOREF pins near the AREF pin. These additions improve compatibility with future shields and different voltage levels.
- Improved Reset Circuit: The Mega 2560 R3 features a stronger reset circuit for enhanced stability. This ensures reliable operation during resets and programming.
- USB Host Interface: It includes a USB host interface based on the MAX3421E IC. This allows direct connection and power supply to Android-based phones and other USB devices.
Specification
| Specification | Details |
|---|---|
| Microcontroller | ATmega2560 |
| USB-to-Serial Converter | CH340G |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7-12V |
| Input Voltage (limits) | 6-20V |
| Digital I/O Pins | 54 (of which 15 provide PWM output) |
| Analog Input Pins | 16 |
| DC Current per I/O Pin | 40 mA |
| Dimensions | 111 x 54 x 12 mm (L x W x H) |
| Clock Speed | 16 MHz |
| USB Host Interface | Based on MAX3421E IC |
| UARTs (hardware serial ports) | 4 |
| Flash Memory | 256 KB (of which 8 KB used by bootloader) |
| SRAM | 8 KB |
| EEPROM | 4 KB |
| Additional Pins | SDA, SCL, IOREF, reserved pin near RESET |
| Reset Circuit | Stronger RESET circuit |
| USB Host Power Availability | 500mA total available for phone and board when powered via USB |
| Power Supply Options | USB, AC-to-DC adapter, or battery |
| Automatic Power Selection | Yes |
| SKU | RW-03 |
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