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Description of the Subsystem
44
SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
Table 1-4. HDVPSS Mux Select Register 1
HDVPSS Mux Select Register
Value Required
vcomp mux select
1
hdcomp mux select
1
sd mux select
0
sc_5 mux select
0
sec0 mux select
0
sec1 mux select
0
csc_vip0 mux select
0
sc_vip0 mux select
0
chr_ds0_vip0 mux select
0
chr_ds1_vip0 mux select
0
csc_vip1 mux select
0
sc_vip1 mux select
0
chr_ds0_vip1 mux select
0
chr_ds1_vip1 mux select
0
1.1.6.2
Tri Display
There are several display configurations for the Tri-Display format.
The first configuration,
, shows the auxiliary video path on the SD display. In this case, graphics
overlays are also being applied to each video encoder output. Because HD DV02 and SD DAC paths are
sharing the same input (meaning same size and interlaced format), they share a graphics input. In this
case, because the SD path must be interlaced, all video paths must be interlaced.
The second configuration,
, shows the HDMI composited Picture-in-Picture display content on
the SD display. In this case, the three output displays are independent. The SC WRBK scaler will be used
to scale the primary blended display and convert to interlaced format for the SD output.