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STV5730A Datasheet(PDF) 9 Page - STMicroelectronics |
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STV5730A Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 20 page FUNCTIONAL DESCRIPTION (continued) 1.4.2 - Color Register (page attributes) 11 10 9876 210 R G B R G B // // // R G B SBC FBC BCC SBC : screen background color FBC : character border color BCC : character background color The output of this register is synchronized by the horizontal synchronism. 1.4.3 - Control Register 11 10 9876 543210 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1 C0 C0 : C0 = 0 : mixed mode C0 = 1 : full page mode C1 : C1 = 0 : the character background is controlled by BE (see character word description) C1 = 1 : all displayed character backgrounds are disabled C2 : C2 = 0 : display off C2 = 1 : display on C3 : C3 = 0 : the characters are colored according to the character attribute and the color register values (i.e. CBACKG and CBORD) C3 = 1 : the character foreground, border and background colors are all set to the character attribute value (see paragraph 1.2). This option is mainly intended for full page mode, CVBS or Y/C output C4 : C4 = 0 : 1.0 second blinking period C4 = 1 : 0.5 second blinking period C[6:5] : C[6:5] = 00 01 10 11 : : : : blinking off 0.75 blinking duty cycle 0.5 blinking duty cycle 0.25 blinking duty cycle C7 : C7 = 0 C7 = 1 an external input composite sync is taken from the CSYNC pin the sync is extracted by the STV5730A.The currently active sync is output on the CSYNC pin C8 : C8 = 0 : the standard is NTSC, 60Hz C8 = 1 : the standard is PAL or SECAM with M6 = 0, 50Hz C9 : C9 = 0 : character color encoding is disabled C9 = 1 : character color encoding is enabled C10 : C10 = 0 : the luminance levels are generated internally C10 = 1 : the luminance levels are provided by the LESCREEN and LECHAR input pins. C11 : C11 = 0 : Video Full Page Mode. A stable full page mode text is displayed while the screen background is the unlocked video input signal. C11 = 1 : Normal full page mode is active. The output of this register is synchronized by the horizontal sync (except C7). The RESET message clears this register. STV5730A 9/20 |
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