I、The 8051 single-chip integration with CPLD perfect, learners can enjoy the cable experience, they will not cause the machine due to damage caused by inserted the wrong line, you can on the CPLD can be more than class 8051 class, two-system super-perfect design portfolio.

     II、The host system specifications：
     1. Host system circuit design to be fully compatible with very large chips, logic gates with more than ninety 
         thousand (inclusive).
     2.200 PIN above (including) the chip-chip brands, with more than 150 I / O LED  status lights display the 
         status and both (I / O) devices.
     3. Experimental platform built-in power supply Input: AC 90 ~ 264V; output power: 20W, power output 
         DV5V2A,± 12V0.5A ISO9001; with RU, CE, SA certification.
     4. Practice platform of pure USB2.0 interface transfer speed 480MHz transmission as a burning program 
         interface.
     5. Host a frequency generator can produce more than 12 groups (including) the oscillation frequency, 
         maximum frequency of 100 / ... ... / 1MHz, 100k/10k / ... ../1Hz or more in 12 groups (including).
     6. Chinese Traditional software interface: chip select (AT89S51, AT89S52).
     7. Open: Open to burn the files (supports *. HEX or *. BIN), support for pre-fill value function (Buffer fill
         unused 0x00 or 0xFF).

     III、The controlled hardware unit (I / O), 8051 single-chip and FPGA are required to individually control the following devices.
     1.8 × 8 two-color dot matrix display, or similar design.
     2.8 yuan analog to digital (A / D) IC or similar design.
     3. Four-phase five-wire stepper motor, step into the angle of 7.5 ° or a similar design.
     4. Input switch: with 20 or more (with) digital input DIP DIP switches.
     5. Matrix Switch: 4x4 = 16 matrix keyboard.
     6. Output: 20 or more (including) LED display.
     7. Digital drive Display: six or more (with) seven-segment display.
     8. DC DC motor rated voltage DV3.6 ~ 5V), rated speed 4400 (rpm) Rated power 0.0000819 (kW),
         rated current of 0.021 (A), Han Guang governor control the speed of speed training.
     9.DA/analog converter digital control practice.
     10.LCD drive Display: 20 × 2 characters can have LCD liquid crystal display modules (with backlight).
     11. Experimental platform built-in speaker 1 W 4 ohm speakers.