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AN2641 датащи(PDF) 16 Page - STMicroelectronics

номер детали AN2641
подробное описание детали  Using the color LCD controller
PDF  37 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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AN2641 датащи(HTML) 16 Page - STMicroelectronics

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Enabling and disabling the CLCD
AN2641
16/37
Doc ID 14027 Rev 1
4
Enabling and disabling the CLCD
The procedure for enabling and disabling the CLCD is shown in Figure 5. The delay for
signal stabilization depends on the display type.
Caution:
If the delay is too short or non existent, the panel may not work properly and sometimes
hangs with a white screen.
Figure 5.
CLCD OFF/ON sequence
●
Enable the control signals by setting the LCD controller enable bit [0] in the LCD-control
register to 1. To disable the control signals, set this bit to 0.
●
Connect the power to the CLCD panel by setting LCD power enable bit [11] in the LCD-
control register to 1. To disconnect the power from the panel, set this bit to 0.
Enable control signal
Enable data and power signal
Disable control signal
Disable data and power signal
Small delay to let the signal stabilize
Small delay to tet the signal stabilize
CLCD display and working



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