IMGVOFF1, IMGHOFF1, Negoff | Texas Instruments TMS320C64x DSP

Video Display Registers

Figure 4–47. Video Display Field 1 Image Offset Register (VDIMGOFF1)

31	30	28	27	16
NV		Reserved		IMGVOFF1

R/W-0		R-0		R/W-0
15	14	12	11	0

NH		Reserved		IMGHOFF1

R/W-0		R-0		R/W-0

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

Table 4–14. Video Display Field 1 Image Offset Register (VDIMGOFF1) Field Descriptions

				Description
Bit	field†	symval†	Value	BT.656 and Y/C Mode	Raw Data Mode
31	NV			Negative vertical image offset enable bit.
		NONE	0		Not used.
		NONE	0		Not used.
		NEGOFF	1	Display image window	Not used.
				begins before the first active
				line of field 1. (Used for VBI
				data output.)

30–28	Reserved	–	0	Reserved. The reserved bit location is always read as 0. A
				value written to this field has no effect.

27–16	IMGVOFF1	OF(value)	0–FFFh	Specifies the display image vertical offset in lines from the
				first active line of field 1.

15	NH			Negative horizontal image offset.
		NONE	0		Not used.
		NONE	0		Not used.
		NEGOFF	1	Display image window	Not used.
				begins before the start of
				active video. (Used for
				HANC data output.)

14–12	Reserved	–	0	Reserved. The reserved bit location is always read as 0. A
				value written to this field has no effect.

11–0	IMGHOFF1	OF(value)	0–FFFh	Specifies the display image	Specifies the display image
				horizontal offset in pixels	horizontal offset in pixels
				from the start of each line of	from the start of each line of
				active video in field 1. This	active video in field 1.
				must be an even number
				(the LSB is treated as 0).

† For CSL implementation, use the notation VP_VDIMGOFF1_field_symval

SPRU629

Video Display Port

4-69

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 IMGVOFF1, IMGHOFF1, Negoff

Models: TMS320C64x DSP

Figure 4–47. Video Display Field 1 Image Offset Register (VDIMGOFF1)

IMGVOFF1

IMGHOFF1

Bit

field†

Value

NEGOFF

OF(value)

OF(value)

SPRU629

TMS320C64x DSP specifications