Video Port Control Registers

Table 2–5. Video Port Control Register (VPCTL) Field Descriptions (Continued)

Bit

field

symval

Value

Description

2

TSI

 

 

TSI capture mode select bit.

 

 

NONE

0

TSI capture mode is disabled.

 

 

CAPTURE

1

TSI capture mode is enabled.

 

 

 

 

 

1

DISP

 

 

Display mode select bit. VDATA pins are configured for output.

 

 

 

 

VCLK2 pin is configured as VCLKOUT output.

 

 

CAPTURE

0

Capture mode is enabled.

 

 

DISPLAY

1

Display mode is enabled.

 

 

 

 

 

0

DCHNL

 

 

Dual channel operation select bit. If the DCDIS bit in VPSTAT

 

 

 

 

is set, this bit is forced to 0.

 

 

SINGLE

0

Single-channel operation is enabled.

 

 

DUAL

1

Dual-channel operation is enabled.

For CSL implementation, use the notation VP_VPCTL_field_symval

Table 2–6. Video Port Operating Mode Selection

 

VPCTL Bit

 

TSI

DISP

DCHNL

Operating Mode

 

 

 

 

0

0

0

Single channel video capture. BT.656, Y/C or raw mode as selected in VCACTL.

 

 

 

Video capture B channel not used.

0

0

1

Dual channel video capture. Either BT.656 or raw 8/10-bit as selected in

 

 

 

VCACTL and VCBCTL. Option is available only if DCDIS is 0.

0

1

x

Single channel video display. BT.656, Y/C or raw mode as selected in VDCTL.

 

 

 

Video display B channel is only used for dual channel sync raw mode.

1

x

x

Single channel TSI capture.

 

 

 

 

SPRU629

Video Port

2-19

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Image 52
Texas Instruments TMS320C64x DSP manual Video Port Operating Mode Selection, Vpctl Bit

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.