Display Timing Examples

Figure 4–36. Raw Interlaced Display Vertical Timing Example

FLCOUNT

 

 

ILCOUNT

525

 

 

 

240

1

 

 

 

240

2

 

 

 

240

3

 

 

 

240

4

 

 

 

240

5

 

Field 1 Blanking

 

240

6

 

 

240

 

 

 

 

 

19

 

240

20

 

240

21

Field 1 Active

240

22

240

 

23

 

1

 

 

2

 

Field 1 Image

 

 

 

239

262

 

240

263

 

240

264

 

240

265

 

240

266

 

240

267

Field 2 Blanking

240

268

 

240

269

 

240

282

 

240

283

 

240

284

Field 2 Active

240

285

240

 

286

 

1

 

 

2

 

Field 2 Image

 

524

 

239

525

 

240

1

 

240

 

 

240

Active

Horizontal

Output

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

FIFO Data

FIFO Data

FIFO Data

FIFO Data

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

Default Value

FIFO Data

FIFO Data

FIFO Data

FIFO Data

Default Value

Default Value

IMGVOFF1 = 2

VBLNKXSTART1 = 720

VSYNCXSTART1 = 720

FLD1XSTART = 720

IMGVSIZE1 = 240

VBLNKYSTART1 = 1

VSYNCYSTART1 = 4

FLD1YSTART = 1

IMGVOFF2 = 3

VBLNKXSTOP1 = 720

VSYNCXSTOP1 = 720

FLD2XSTART = 360

IMGVSIZE2 = 240

VBLNKYSTOP1 = 21

VSYNCYSTOP1 = 7

FLD2YSTART = 263

FRMHEIGHT = 525

VBLNKXSTART2 = 360

VSYNCXSTART2 = 360

 

VBITSET1 = n/a

VBLNKYSTART2 = 263

VSYNCYSTART2 = 266

FBITSET = n/a

VBITCLR1 = n/a

VBLNKXSTOP2 = 360

VSYNCXSTOP2 = 360

FBITCLR = n/a

VBITSET2 = n/a

VBLNKYSTOP2 = 283

VSYNCYSTOP2 = 269

 

VBITCLR2 = n/a

 

 

 

Assumes VCT2P bit in VPCTL is set to 1 (active-low output). VSYNC output when VCTL2S bit in VDCTL is set to 00, VBLNK output when VCTL2S bit is set 01.

4-42

Video Display Port

SPRU629

Page 187
Image 187
Texas Instruments TMS320C64x DSP manual Raw Interlaced Display Vertical Timing Example

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.