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M37160MF Datasheet(PDF) 70 Page - Renesas Technology Corp |
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M37160MF Datasheet(HTML) 70 Page - Renesas Technology Corp |
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70 / 131 page  Rev.1.01 2003.11.13 page 70 of 130 M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP 8.10.8 OUT signal The OUT signal is used to control the luminance of the video sig- nal. The output waveform of the OUT signal is controlled by RA3 of the OSD RAM. The setting values for controlling OUT and the cor- responding output waveform are shown in Figure 8.10.18. Fig. 8.10.18 Setting Value for Controlling OUT and Corresponding Output Waveform Display Mode A A' 0 1 Block Control Register i OSD1 OSD2 CD OSD 1 0 1 0 1 0 1 0 OUT Output Control Bit (b5) OUT control (RA3 of OSD RAM) OUT=FONT/BORDER 0 1 Vcc About 0.6Vcc 0V Vcc 0V Vcc 0V Vcc 0V Vcc About 0.6Vcc 0V Vcc 0V Vcc 0V Vcc 0V OUT=AREA OUT=FONT/BORDER OUT=FONT/BORDER OUT=AREA OUT=FONT OUT=FONT OUT=FONT Notes 1: FONT/BORDER.....In the OSD2 mode (Border ON), OUT outputs to the area of font and border. In the OSD2 mode (Border OFF), OUT outputs to only the font area. AREA.....................OUT outputs to entire display area of character. FONT.....................In the OSD1 mode, OUT outputs to font area. 2: When the automatic solid space function is OFF in the OSD1 mode, AREA outputs according to bit 3 of color code. When it is ON, the solid space is automatically output by a character code regardless of RA3. 3: The OUT signal's three-level outputs are useful only during positive polarity output. 4: For three-level OUT signal outputs, set Port P3 Direction Register (address 00C716) bit 2 to 1. 5: For three-level OUT signal outputs, set about 2 k Ω resistor between OUT pin and VSS. Output Waveform (A-A') |
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