Video Capture Registers

Figure 3–36. Video Capture Channel x Threshold Register (VCATHRLD, VCBTHRLD)

31

26

25

16

 

Reserved

 

VCTHRLD2

 

 

 

 

 

R-0

 

R/W-0

15

10

9

0

 

 

 

 

 

Reserved

 

VCTHRLD1

 

 

 

 

 

R-0

 

R/W-0

Legend: R = Read only; R/W = Read/Write; -n= value after reset

Table 3–21. Video Capture Channel x Threshold Register (VCxTHRLD) Field Descriptions

 

 

 

 

 

Description

 

Bit

field†

symval†

Value

BT.656 or Y/C Mode

Raw Data Mode

TSI Mode

31–26

Reserved

–

0

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

 

 

 

 

value written to this field has no effect.

 

 

 

 

 

 

 

 

25–16

VCTHRLD2

OF(value)

0–3FFh

Number of field 2

Not used.

Not used.

 

 

 

 

doublewords

 

 

 

 

 

 

required to generate

 

 

 

 

 

 

DMA events.

 

 

 

 

 

 

 

 

 

15–10

Reserved

–

0

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

 

 

 

 

value written to this field has no effect.

 

 

 

 

 

 

 

 

9–0

VCTHRLD1

OF(value)

0–3FFh

Number of field 1

Number of raw

Number of

 

 

 

 

doublewords

data doublewords

doublewords

 

 

 

 

required to generate

required to

required to

 

 

 

 

DMA events.

generate a DMA

generate a DMA

 

 

 

 

 

event.

event.

 

 

 

 

 

 

 

†For CSL implementation, use the notation VP_VCxTHRLD_VCTHRLDn_symval

3-66

Video Capture Port

SPRU629

Page 127 Page 129
Page 128
Image 128
Texas Instruments TMS320C64x DSP manual VCTHRLD2, VCTHRLD1
Page 127 Page 129

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.
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