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7220 Datasheet(PDF) 210 Page - Renesas Technology Corp |
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7220 Datasheet(HTML) 210 Page - Renesas Technology Corp |
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210 / 303 page  APPLICATION 5.5 Example of I2C-BUS control by software (M37220M3-XXXSP/FP) 7220 Group User’s Manual 5-37 (2) “CH UP/DOWN key“ input processing CH UP/DOWN END To mute video and audio: MUTE (D6 at sub-address 0B 16) ←“1” A MUTE (D6 at sub-address 01 16) ←“1” Related processings: •Changing CH •OSD when changing CH •Write last data to E 2PROM , etc. Wait for muting time To release mute of picture and sound; MUTE (D6 at sub-address 0B 16) ←“0” A MUTE (D6 at sub-address 01 16) ←“0” Set the following (color system): •3.58 (D2 at sub-address 09 16) •NTSC (D1 at sub-address 02 16) •SECAM (D0 at sub-address 09 16) Fig. 5.5.14 Flowchart of “CH UP/DOWN key” input processing |
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