BT864A View Datasheet(PDF) - Conexant Systems

Part Name

Description

Manufacturer

BT864A

YCrCb to NTSC/PAL Digital Video Encoder

Conexant Systems 

1.0 Circuit Description

1.5 Video Timing

Figure 1-6. Interlaced 625-Line (PAL–B, D, G, H, I, Nc) Video Timing

Bt864A/865A

YCrCb to NTSC/PAL Digital Video Encoder

Analog

FIELD 1

RESET*

VSYNC*

620 621 622 623 624 625 1

2

3

4

– U PHASE

Analog

FIELD 2

567

23 24

308 309 310 311 312 313 314 315 316 317 318 319 320

Analog

FIELD 3

336 337

620 621 622 623 624 625 1

2

3

4

5

67

Analog

FIELD 4

23 24

308 309 310 311 312 313 314 315 316 317 318 319 320

Burst

Blanking

Intervals

FIELD One

FIELD Two

FIELD Three

FIELD Four

Burst Phase = Reference Phase = 135° Relative to U

PAL Switch = 0, +V Component

Burst Phase = Reference Phase + 90° = 225° Relative to U

PAL Switch = 1, –V Component

NOTE(S): EVBI = 0.

336 337

1-10

Conexant

100138B

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