Display subsystem
cvideo1_vfb
Analog TV set
Video
encoder
Display
controller
Rout1
Rout2
Rset
DAC2
amplifier
(chroma)
DAC Stage
DAC1
amplifier
(luma)
Luminance input
Chrominance input
vssa_dac
vdda_dac
Power IC
(TWL50xx)
dss-035
cvideo1_out
+
+
cvideo2_out
cvideo2_vfb
cvideo1_rset
Display subsystem
cvideo1_vfb
Composite
connector
Video
encoder
Display
controller
cvideo1_out
cvideo1_rset
Rout 1
Rset
DAC2
+
amplifier
(unused)
DAC Stage
DAC1
+
amplifier
Composite input
vssa_dac
vdda_dac
Power IC
dss-191
NC
NC
cvideo2_out
cvideo2_vfb
Public Version
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Display Subsystem Environment
Figure 7-58. TV Display Interface (S-video mode, DC coupled, High FS Swing)
is a block diagram of the TV display interface (Composite mode, DC coupled, High Full Scale
Swing).
Figure 7-59. TV Display Interface (Composite Mode, DC coupled, High FS Swing)
is a block diagram of the TV display interface (Composite mode, AC coupled, Low Full Scale
Swing).
1613
SWPU177N – December 2009 – Revised November 2010
Display Subsystem
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