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7220 데이터시트(PDF) 209 Page - Renesas Technology Corp

부품명 7220
상세설명  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  303 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7220 데이터시트(HTML) 209 Page - Renesas Technology Corp

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5-36
APPLICATION
5.5 Example of I2C-BUS control by software (M37220M3-XXXSP/FP)
7220 Group User’s Manual
Fig. 5.5.13 Flowchart of poweron processing
5.5.6 Flowchart of data setting according to key processing
Figures 5.5.13 to 5.5.15 show the flowcharts of controlling the M52340SP when there are various event
inputs to the actual TV system.
(1)
Poweron processing by “power key“ input
Power on
Wait for stabilizing time to supply
power source.
END
•Set write data register of M52340SP
•To mute video and audio;
MUTE (D6 at sub-address 0B 16)
←“1”
A MUTE (D6 at sub-address 01 16)
←“1”
Related processings:
•OSD when power on
•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”



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