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Texas Instruments TMS320C64x DSP Value BT.656 or Y/C Mode Raw Data Mode TSI Mode, Vcfld, Detected

Models: TMS320C64x DSP

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Video Capture Registers

Table 3–14. Video Capture Channel x Status Register (VCxSTAT)

Field Descriptions (Continued)

 

 

 

 

 

 

Description

 

 

Bit

field†

symval†

Value

BT.656 or Y/C Mode

 

Raw Data Mode

 

TSI Mode

27–16

VCYPOS

OF(value)

0–FFFh

Current VCOUNT

 

Upper 12 bits of

 

Upper 12 bits of

 

 

 

 

value and the line

 

the data counter.

 

the data counter.

 

 

 

 

that is currently being

 

 

 

 

 

 

 

 

received (within the

 

 

 

 

 

 

 

 

current field).

 

 

 

 

 

 

 

 

 

 

 

 

 

15–13

Reserved

–

0

Reserved. The reserved bit location is always read as 0. A

 

 

 

 

value written to this field has no effect.

 

 

 

 

 

 

 

 

12

VCFLD

 

 

VCFLD bit indicates which field is currently being captured.

 

 

 

 

The VCFLD bit is updated based on the field detection logic

 

 

 

 

selected by the FLDD bit in VCACTL.

 

 

 

 

NONE

0

Field 1 is active.

 

Not used.

 

Not used.

 

 

 

 

 

 

DETECTED

1

Field 2 is active.

 

Not used.

 

Not used.

 

 

 

 

 

 

 

 

 

11–0

VCXPOS

OF(value)

0–FFFh

Current HCOUNT

 

Lower 12 bits of

 

Lower 12 bits of

 

 

 

 

value. The pixel

 

the data counter.

 

the data counter.

 

 

 

 

index of the last

 

 

 

 

 

 

 

 

received pixel.

 

 

 

 

 

 

 

 

 

 

 

 

 

†For CSL implementation, use the notation VP_VCxSTAT_field_symval

3-52

Video Capture Port

SPRU629

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Texas Instruments TMS320C64x DSP manual Value BT.656 or Y/C Mode Raw Data Mode TSI Mode, Vcfld, Detected
Page 113 Page 115

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.