Altera EPM240/EPM570 CPLD Development Board AD/DA/Stepping/Infrared/Warm Transmission Module

Specification Main hardware resources1On board 50MHz active crystal oscillator to provide system working main clock2Provide spare clock pad need to provide the required clock on the back of the PCB board 3New original imported 1117 3 3 V voltage regulator chip to provide CPLD operating voltage 4Elaborate decoupling design with a large number of decoupling capacitors5Provide 5V DC power socket6Provide USB power supply7Red power indicator8Self locking key power switch9A system reset button Reset can also be used as an input button for the use10All IO ports are led out through a 2 20 pin 2 54 mm pitch11All IO pin numbers are clearly marked It is very convenient not to always check the I O pin correspondence of the schematic diagram during use Enrich peripheral resources1There are 6 independent keys on board which can be used for keystroke control basic experiment of digital logics etc 2Onboard 8 bit LED light emitting diode digital basic running water display and other experiments3Onboard 8 bit digital tube dynamic or static digital tube display experiment frequency meter stopwatch etc4On board 4 bit dial switch which can be used for switch control and other experiments 5Onboard 1 bit buzzer can be used for sounding and music experiments 6Equipped with LCD1602 LCD interface to do character display experiment excluding LCD 7It is equipped with LCD12864 LCD interface to do Chinese characters and characters display experiments excluding LCD 8RS232 serial port