Texas Instruments TMS320C64x DSP guide

Capture field 2.

Capture field 1 bit. Do not capture field 1.

Capture field 2 bit. Do not capture field 2.

BT.656 or Y/C Mode

Video Capture Registers

Table 3–15. Video Capture Channel A Control Register (VCACTL)

Field Descriptions (Continued)

Bit field† symval† Value

Description

Raw Data Mode TSI Mode

6	FRAME‡		Capture frame (data) bit.
	NONE	0	Do not capture frame.	Do not capture	Do not capture
				single data block.	single packet.
	FRMCAP	1	Capture frame.	Capture single	Capture single
				data block.	packet.

5	CF2‡

NONE 0

FLDCAP 1

Do not capture field 2.

Capture field 2.

Not used.

4	CF1‡
	NONE	0		Do not capture	Not used.
				field 1.
	FLDCAP	1	Capture field 1.	Capture field 1.	Not used.

3	Reserved –	0	Reserved. The reserved bit location is always read as 0. A value
			written to this field has no effect.

2–0	CMODE		Capture mode select bit.
	BT656B	0	Enables 8-bit BT.656 mode.		Not used.
	BT656B	0	Enables 8-bit BT.656 mode.		Not used.
	BT656D	1h	Enables 10-bit BT.656 mode.		Not used.
	RAWB	2h	Enables 8-bit raw data mode.		8-bit TSI mode.
	RAWD	3h	Enables 10-bit raw data mode.		Not used.
	YCB	4h	Enables 16-bit Y/C mode.		Not used.
	YCD	5h	Enables 20-bit Y/C mode.		Not used.
	RAW16	6h	Enables 16-bit raw mode.		Not used.
	RAW20	7h	Enables 20-bit raw mode.		Not used.

† For CSL implementation, use the notation VP_VCACTL_field_symval

‡ For complete encoding of these bits, see Table 3–6, Table 3–11, and Table 3–12.

SPRU629

Video Capture Port

3-57

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.

Texas Instruments TMS320C64x DSP manual Description Raw Data Mode TSI Mode

Models: TMS320C64x DSP