參數(shù)資料
型號(hào): DRM013
英文描述: USB Security Key Reference Design Designer Reference Manual
中文描述: 安全密鑰的USB參考設(shè)計(jì)設(shè)計(jì)參考手冊(cè)
文件頁數(shù): 33/72頁
文件大?。?/td> 1177K
代理商: DRM013
Vacuum Cleaner Reference Design
Results
DRM010 — Rev 0
Designer Reference Manual
MOTOROLA
Vacuum Cleaner Reference Design
For More Information On This Product,
Go to: www.freescale.com
33
Figure 1-12. CPU Process Timing
1.11 Results
The software was first tested using a modular microcontroller
development system (MMDS), bus state analyzer, pulse generator, and
digital oscilloscope. The pulse generator was used to simulate the ac
line and test the lock range of the software. The digital storage scope
was used to examine the triac pulse waveform in relation to the pulse
generator. The first few pulses are critical to the startup operation. It is
important that there be no errant pulses. The pulses also should change
smoothly without any glitches.
Once fully satisfied with the operation of the software, a FLASH device
was programmed and inserted in the socket. The test board was
connected to a vacuum cleaner motor and an ac variac and safety
isolation transformer. Bringing the ac line up slowly will minimize the
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inputCapture
controlLoop
outputCompare
idle
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Freescale Semiconductor, Inc.
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