Video Capture Registers

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

Field Descriptions

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

Bit

field†

symval†

Value

BT.656 or Y/C Mode

 

Raw Data Mode

TSI Mode

31

FSYNC

 

 

Current frame sync bit.

 

 

 

 

 

 

 

Not used.

 

 

 

CLEARD

0

VCOUNT = VINT1 or

 

Not used.

 

 

 

 

VINT2, as selected

 

 

 

 

 

 

 

by the FSCL2 bit

 

 

 

 

 

 

 

in VCxVINT.

 

 

 

 

 

SET

1

VCOUNT = 1

 

Not used.

Not used.

 

 

 

 

in field 1.

 

 

 

 

 

 

 

 

 

 

30

FRMC

 

 

Frame (data) captured bit. Write 1 to clear the bit, a write of 0

 

 

 

 

has no effect.

 

 

 

 

 

 

 

 

 

 

 

NONE

0

Complete frame has

 

Complete data

Entire data packet

 

 

 

 

not been captured.

 

block has not

has not been

 

 

 

 

 

 

been captured.

captured.

 

 

CAPTURED

1

Complete frame has

 

Complete data

Entire data packet

 

 

CLEAR

 

been captured.

 

block has been

has been

 

 

 

 

 

captured.

captured.

 

 

 

 

 

 

 

 

 

 

 

 

 

29

F2C

 

 

Field 2 captured bit. Write 1 to clear the bit, a write of 0 has no

 

 

 

 

effect.

 

 

 

 

 

 

 

 

 

 

 

NONE

0

Field 2 has not been

 

Not used.

Not used.

 

 

 

 

captured.

 

 

 

 

 

CAPTURED

1

Field 2 has been

 

Not used.

Not used.

 

 

CLEAR

 

captured.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

F1C

 

 

Field 1 captured bit. Write 1 to clear the bit, a write of 0 has no

 

 

 

 

effect.

 

 

 

 

 

 

 

 

 

 

 

NONE

0

Field 1 has not been

 

Not used.

Not used.

 

 

 

 

captured.

 

 

 

 

 

CAPTURED

1

Field 1 has been

 

Not used.

Not used.

 

 

CLEAR

 

captured.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

† For CSL implementation, use the notation VP_VCxSTAT_field_symval

 

 

SPRU629

Video Capture Port

3-51

Page 112 Page 114
Page 113
Image 113
Texas Instruments TMS320C64x DSP manual Description Bit, BT.656 or Y/C Mode Raw Data Mode TSI Mode
Page 112 Page 114

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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