Modular design and flexibly for CPLD Signal generation unit: Programmable frequency generator Standard frequency: 1 — 10MHz Logic input switch: 8 x 1 logic input original press point with light 8 x 2 logic input Dip switch 4 impulse press button generator 3 x 4 array keyboard Output unit: Logic status monitor with total 102 sets LED indicator 8 x 8 dual color point array LCD display LCD 16 x 2 monitor 6 digits 7 nodes monitor 3 x 4 LED and 1 set buzzer output Linear unit: 2 sets 8bit D/A converter 1 set 8bit A/D converter MPU unit: 08051 and CPLD match circuit test Power source: 220-240V AC, 50Hz, 1Phase Standard accessories with printed operation manual