基于AT89S51的简易数字逻辑分析仪，可设置单击触发字，具备3级逻辑状态分析触发功能，在示波器上显示可移动的时间标志线-AT89S51 figure based on simple logic analyzer can be set to trigger click character with three logic state analysis of the trigger function, showed up at Oscillograph Mobile Time logo line