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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST7713 数据表(PDF) 96 Page - Sitronix Technology Co., Ltd. |
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ST7713 数据表(HTML) 96 Page - Sitronix Technology Co., Ltd. |
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96 / 159 page  ST7713 Ver 1.6 2008-05 96 9.20.4 Display Glass Break Detection Sleep Out-command (See section 10.1.12 “Sleep Out (11h)”) is a trigger for an internal function of the display module, which indicates, if the display glass of the display module is broken or not. There is inverted (= increased by 1) a bit, which is defined in command 10.1.10 “Read Display Self-Diagnostic Result (0Fh)” (= RDDSDR) (The used bit of this command is D4), if the display glass is not broken. If this display glass is broken, this bit (D4) is not inverted (= increased by 1). The following figure is a reference, how this glass break detection can be implemented e.g. there is connected together 2 bumps via route of ITO. This route of ITO is the nearest route of the edge of the display glass. The flow chart for this internal function is following: Sleep In (10h) Sleep Out Mode Sleep In Mode Sleep Out (11h) Checks, if display glass broken Is the display glass broken? D4 inverted No Yes RDDSDR’s D4=0 Power on sequence HW reset SW reset Active area of the display glass Through view of driver to Bump Substrate of display glass |
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