示波器系統(tǒng)參考設(shè)計
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圖4. 顯示波形
圖5. 在屏幕頂端顯示時間和電壓
表2. 軟件功能
| Button | Description |
 | Vertically scales the waveform. |
 | Horizontally scales the waveform. |
 | Shifts the waveform horizontally. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the starting time at the left of the screen. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the ending time at the right of the screen. |
 | Enter a value (in milliseconds) into the edit box and press the Set button to set the sampling time. |
 | Enter a proper trigger-level value into this edit box. |
 | Click on one of the two radio buttons to choose either rising-edge triggering or falling-edge triggering. |
 | Press this button to receive input-signal data from the EV kit board and display the waveform on the screen. |
 | Select this checkbox to receive continuous data from the EV kit and continuous updates to the waveform on the screen. |
 | Press this button to redraw the waveform on the screen. |
 | Press this button to exit the program. |
| Button | Description |
| Vertically scales the waveform. |
| Horizontally scales the waveform. |
| Shifts the waveform horizontally. |
| Enter a value (in milliseconds) into the edit box and press the Set button to set the starting time at the left of the screen. |
| Enter a value (in milliseconds) into the edit box and press the Set button to set the ending time at the right of the screen. |
| Enter a value (in milliseconds) into the edit box and press the Set button to set the sampling time. |
| Enter a proper trigger-level value into this edit box. |
| Click on one of the two radio buttons to choose either rising-edge triggering or falling-edge triggering. |
| Press this button to receive input-signal data from the EV kit board and display the waveform on the screen. |
| Select this checkbox to receive continuous data from the EV kit and continuous updates to the waveform on the screen. |
| Press this button to redraw the waveform on the screen. |
| Press this button to exit the program. |
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