External Interrupts 6个外部中断引脚 Six pins are used for creating external interrupts i.e interrupt 0(0), interrupt 1(3), interrupt 2(21), interrupt 3(20), interrupt 4(19), interrupt 5(18). These pins produce interrupts by a number of ways i.e. providing LOW value, rising or fallin...
* Also connected to the corresponding pins of the ATmega16U2 USB-to-TTL Serial chip. External Interrupts:Pins 2 (interrupt 0), 3 (interrupt 1), 18 (interrupt 5), 19 (interrupt 4), 20 (interrupt 3), and 21 (interrupt 2)can be configured to trigger an ...
The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, ...
Furthermore, the main UART (serial port) is located on the same pins (0 and 1), as are external interrupts 0 and 1 (pins 2 and 3 respectively). SPI is available through the ICSP header on both the Mega 2560 and Duemilanove / Diecimila boards. Please note that I2C is not located on...
External Interrupts: 2 (interrupt 0), 3 (interrupt 1), 18 (interrupt 5), 19 (interrupt 4), 20 (interrupt 3), and 21 (interrupt 2).These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See theattachInterrupt()function...
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...
Kidsbits 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 outpu...
Orangepip Mega2560 Arduino Mega2560 Compatible Development Board Overview The Orangepip Mega 2560 is a microcontroller board based on the ATmega2560 (datasheet). It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports),...
使用hardware external interrupt Arduino UNO(Atmega328) pins2和3 STM32 boards any pin ESP32 any pin 使用software pin change interrupt通过使用这样的库例如PciManager library 只对Arduino devices (Atmga328 and Atmage2560) 软件中断 使用硬件外部中断通常会得到更好和更可靠的性能,但是软件中断在较低的速度下...
External Interrupts There are a varying number of external interrupt pins on the different processors. The Uno supports only 2 and they are mapped to Arduino pins 2 and 3. The 2560 supports 6 usable, the Leonardo supports 5, and the ATmega1284p supports 3. These interrupts can be set to ...