Hcount Operation Example EXC = | Texas Instruments TMS320C64x DSP

BT.656 and Y/C Mode Field and Frame Operation

Figure 3–9. HCOUNT Operation Example (EXC = 0)

VCLKIN

268

1440

BlankingActive Video

VDIN[9–0]

FF.C 00.0 00.0

XY.0

80.0

10.0

80.0

10.0

80.0

10.0

FF.C 00.0

00.0

XY.0 Cb0

Cr0

Cb1

Cb359

Y 718

Cr 359

Y 719

EAV Blanking Data

SAV

EAV

EXC=0

HRST=0 HCOUNT

EXC=0

HRST=1

HCOUNT

One LineNext Line

720

721

722

723

855

856

857

718

719

720

721

722

723


						One Line								Next Line
						One Line								Next Line

856	857	0	1	133	134		135	136	273	274	854	855	856	857	0	1

VCOUNT

n–1

n+1

Figure 3–10. HCOUNT Operation Example (EXC = 1)

VCLKIN

276

Blanking

VDIN[9–0]	80.0	10.0	80.0	10.0	80.0	10.0	80.0	10.0	10.0	80.0

Blanking Data

						1440
						Active Video
10.0 80.0	80.0 10.0 80.0 10.0 80.0 10.0 Cb 0	Y 0	Cr 0	Y 1	Cb 1	Y 2	Cb 0	Y 718	Cr 359	Y 719	80.0

10.0

80.0

10.0

80.0

10.0

HSYNC

EXC=1

HRST=0
HCOUNT	842	843	844		857	0	63	64	119	120	121	122	123	124	840	842	842	843	844
VCOUNT			n–1
VCOUNT			n–1										n
EXC=1
HRST=1
HCOUNT	778	779	780		793	794	857	0	55	56	57	58	59	60	776	777	778	779	780
VCOUNT				n–1
VCOUNT				n–1										n

EXC=1 AVID

HRST=0

HCOUNT

VCOUNT EXC=1

HRST=1

HCOUNT

VCOUNT

720	721		722	735	736	799	800		855	856	857	0	1	2		718	719	720	721	722
					n–1
					n–1										n
		1
0		1	2	15	16	79	80		135	136	137	138	139	140		856	857	0	1	2

								n											n+1

SPRU629

Video Capture Port

3-23

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 Hcount Operation Example EXC =

Models: TMS320C64x DSP

Figure 3–9. HCOUNT Operation Example (EXC = 0)

VCLKIN

EXC=0

HRST=0 HCOUNT

HRST=1

Figure 3–10. HCOUNT Operation Example (EXC = 1)

SPRU629

TMS320C64x DSP specifications