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ST7637 Datasheet(PDF) 97 Page - Sitronix Technology Co., Ltd. |
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ST7637 Datasheet(HTML) 97 Page - Sitronix Technology Co., Ltd. |
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97 / 210 page  ST7637 Ver 1.6 97/210 2009/03 9.1.19. WRCNTR: Write Contrast (25h) Command A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0 Hex WRCNTR 0 1 0 0 0 1 0 0 1 0 1 (25h) Parameter 1 1 0 0 EV6 EV5 EV4 EV3 EV2 EV1 EV0 Description This command is used to fine tuning the contrast of the display. Parameter range is 00~7Fh. The contrast is not linear but the contrast adjustment is linear. Luminance is increasing from 00h to 7Fh. 00h is presenting dark end and 7Fh is presenting bright end. Restriction - Register Availability Status Availability Normal Mode On, Idle Mode Off, Sleep Out Yes Normal Mode On, Idle Mode On, Sleep Out Yes Partial Mode On, Idle Mode Off, Sleep Out Yes Partial Mode On, Idle Mode On, Sleep Out Yes Sleep In Yes Default Status Default Value Power On Sequence 3Fh S/W Reset 3Fh H/W Reset 3Fh Flow Chart |
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