IV EP4CE6 FPGA Development Board Kit Altera EP4CE NIOSII FPGA Board and USB Downloader Infrared Controller -2021.    Features:  1. the main chip of ALTERA company's new FPGA Cyclone IV series EP4CE6E22C8N.  2. Onboard high-capacity EPCS16N serial configuration chip, supports JTAG/AS two download mode.  3. Onboard 64Mbit SDRAM, support SOPC, NIOSII development.  4. Onboard 50MHz active crystal, the master clock system stability.  5. Using 1117-3.3V voltage regulator chip, to provide 3.3V voltage output.  6. Using 1117-1.2V voltage regulator chip to provide FPGA core voltage.  7. Using 1117-2.5V voltage regulator chip, to provide PLL voltage output.  8. Using a large number of decoupling capacitors, decoupling design.  9. 5V DC power supply socket and USB interface power supply socket, two kinds of power supply mode.  10. 1 reset button, can also be used as a user input button.  11. 1 self locking button power switch.  12. 1 LED power indicator light.  13. Out of all IO interface, universal 2.54mm spacing, can be easily extended.  14. JTAG download interface to download the file is .SOF, the speed is fast, the usual use of this interface is recommended.  15. AS download interface to download the file is .POF, the speed is slow, need to use this interface when the curing process.    Peripheral Interface:  1. 4 independent keys;  2. 4 LED diodes;  3. 4 digital tube;  4. 4 dial switch;  5. 1 buzzer;  6. PS2 interface;  7. RS232 serial port;  8. 1*20 pin LCD socket, support LCD1602, LCD12864, TFT LCD;  9. Temperature sensor chip LM754A, for thermometer experiment;  10. Precision adjustable resistance, adjustable LCD backlight;  11. VGA interface, for display experiment;  12. I2C serial EEPROMAT24C08, for IIC bus experiment;  13. Infrared receiving module;    Package Included:  1 x Mainboard;  1 x USB Downloader;  1 x Remote Controller;  1 x USB Cable