KEYESTUDIO Mega 2560 Plus Board

KEYESTUDIO Mega 2560 plus Board, whose processor core is ATMEGA2560-16AU, is fully compatible with ARDUINO MEGA 2560 REV3.

USB to TTL chip adopts more economic and stable CP2012.

This plus board consists of 54-channel digital input and output ports, of which 15 pins are served as PWM output, 16 analog inputs, 4 serial communication ports, one 16MHz crystal oscillator, 1 USB port, 1 power socket, 1 ICSP interface and 1 reset button.

Specification

• Microcontroller: ATMEGA2560-16AU
• USB to TTL chip：CP2102
• Operating Voltage: 5V
• Input Voltage (recommended):DC 7-12V
• Digital I/O Pins: 54 (D0-D53)
• PWM Digital I/O Pins：15(D2-D13 D44-D46)
• Analog Input Pins: 16(A0-A15)
• DC Current per I/O Pin: 20 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
• LED_BUILTIN:D13

Interfaces Description

Special Interfaces Description

• Serial communication interface (4 channel): Serial (D0 =RX0, D1 =TX0) , Serial1 (D19 is RX1, D18 is TX1)
• Serial2 (D17 is RX2, D16 equals to TX2）, Serial3（D15 is RX3, D14 is TX3), D0 and D1 are connected to ATMEGA16U2-MU
• PWM port (Pulse width modulation): D2-D13 and D44-D46
• External interrupt pins: D2 (interrupt 0), D3 (interrupt 1), D21 (interrupt 2), D20 (interrupt 3), D19 (interrupt 4) and D18 (interrupt 5）
• SPI communication interface: D53 stands for SS, D51 is MOSI, D50 is MISO, D52 equals to SCK
• IIC communication interface: D20 represents SDA, D21 is SCL

Documents

• Arduino software
• WIKI page
• Programming reference