Texas Instruments TMS320C64x DSP Benutzerhandbuch

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Video Display Registers
4-55
Video Display Port
SPRU629
4.12.2 Video Display Control Register (VDCTL)
The video display is controlled by the video display control register (VDCTL).
The VDCTL is shown in Figure 4–40 and described in Table 4–7.
Figure 4–40. Video Display Control Register (VDCTL)
31
30
29
28
27
24
RSTCH
BLKDIS
Reserved
PVPSYN
Reserved
R/WS-0
R/W-1
R-0
R/W-0
R-0
23
22
21
20
19
18 17
16
FXS
VXS
HXS
VCTL3S
VCTL2S
VCTL1S
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
15
14
13
12
11
10
9
8
VDEN
DPK
RGBX
RSYNC
DVEN
RESMPL
Reserved
SCALE
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R-0
R/W-0
7
6
5
4
3
2
0
CON
FRAME
DF2
DF1
Reserved
DMODE
R/W-0
R/W-0
R/W-0
R/W-0
R-0
R/W-0
Legend: R = Read only; R/W = Read/Write; WS = Write 1 to reset, write of 0 has no effect; -n = value after reset
Table 4–7. Video Display Control Register (VDCTL) Field Descriptions  
Description
Bit
field
symval
Value
BT.656 and Y/C Mode
Raw Data Mode
31
RSTCH
Reset channel bit. Write 1 to reset the bit, a write of 0 has no effect.
NONE
0
No effect.
RESET
1
Resets the video display module and sets its registers to their
initial values. Also clears the VDEN bit. The video display module
automatically clears RSTCH after software reset is completed.
† For CSL implementation, use the notation VP_VDCTL_field_symval
‡ For complete encoding of these bits, see Table 4–4.