2 video display control register (vdctl) – Texas Instruments TMS320C64x DSP User Manual

Page 200

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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.

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