Texas Instruments TMS320C64x DSP manual Video Display Control Register Vdctl

Models: TMS320C64x DSP

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Video Display Registers

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.

SPRU629

Video Display Port

4-55

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Texas Instruments TMS320C64x DSP manual Video Display Control Register Vdctl, BT.656 and Y/C Mode Raw Data Mode

TMS320C64x DSP specifications

The TMS320C64x DSP family from Texas Instruments represents a significant milestone in the realm of digital signal processing. Launched as part of the C6000 series, the C64x DSPs are designed for high-performance applications requiring intensive computational capabilities, such as telecommunications, audio processing, video processing, and industrial control systems.

One of the standout features of the TMS320C64x DSP is its VLIW (Very Long Instruction Word) architecture, which allows for an exceptionally high level of parallelism. This architecture enables multiple instructions to be executed simultaneously, boosting the overall throughput and allowing for complex data processing tasks to be completed more quickly than with conventional DSPs.

The C64x DSPs also boast an impressive clock frequency range, typically up to 1 GHz, delivering substantial computational power for real-time processing goals. Additionally, these processors feature extensive on-chip memory, including L1 and L2 cache, which significantly enhances data access speeds and helps reduce bottlenecks during high-demand processing tasks.

Another key characteristic of the TMS320C64x family is its support for advanced instruction sets optimized for specific applications. These include SIMD (Single Instruction, Multiple Data) capabilities, allowing for efficient handling of large datasets often involved in multimedia processing or complex signal manipulation.

For connectivity, these DSPs often integrate advanced interfaces such as EMIF (External Memory Interface) and McBSP (Multichannel Buffered Serial Port), facilitating seamless interaction with a variety of peripheral devices. This ensures that the DSP can suit different application needs and integrate well into various system architectures.

Texas Instruments emphasizes low power consumption with the C64x DSPs, making them ideal for portable or energy-sensitive applications. Advanced power management techniques and technologies, such as dynamic voltage and frequency scaling, are incorporated to further enhance energy efficiency without compromising performance.

In summary, the Texas Instruments TMS320C64x DSP family stands out due to its high-performance capabilities driven by a VLIW architecture, high clock speeds, extensive memory options, a rich instruction set, and advanced connectivity features, all while maintaining power efficiency. These characteristics make it an exceptional choice for developers looking to integrate robust digital signal processing into their applications, whether in telecommunications, audio and video processing, or embedded control systems.