MEGA 2560 R3 SMD Board

CH340G Replace ATMEGA16U2??
Microcontroller:ATmega2560??
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??
DC Current for 3.3V Pin:50 mA??
Flash Memory:256 KB of which 8 KB used by bootloader??
SRAM:8 KB??
EEPROM:4 KB??
Clock Speed:16 MHz

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