Description
The processor core of Keyestudio V4.0 development board is ATMEGA328P-PU , fully compatible with ARDUINO UNO REV3.
It has 14 digital input/output pins(of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, 1 ICSP header, and a reset button. The built-in ICSP port can burn the firmware for ATMEGA328P-PU directly. We can plug in power by USB wire, DC head and Vin GND pins.
Features:
- Microcontroller: ATMEGA328P-PU
- USB serial chip：CP2102
- Operating Voltage: 5V
- Input Voltage (recommended):DC 7-12V
- Digital I/O Pins: 14 (D0-D53)
- PWM Digital I/O Pins：6 (D3 D5 D6 D9 D10 D11)
- Analog Input Pins: 6(A0-A5)
- DC Current per I/O Pin: 20 mA
- DC Current for 3.3V Pin: 50 mA
- Flash Memory: 32 KB (ATMEGA328P-PU) of which 0.5 KB used by bootloader
- SRAM:2 KB (ATMEGA328P-PU)
- EEPROM: 1 KB (ATMEGA328P-PU)
- Clock Speed:16 MHz
- LED_BUILTIN:D13
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