POL grounded, Inputs Signals :

LFB line flyback synchro on Pin 5

FFB field flyback synchro on Pin 6

or SCS synchro composite signal on Pins 5 and 6

+5V

SCS

LFB

FFB

4

25

6

POL

MA/SL

POL to V

are LFB line flyback synchro on Pin 5

FFB field flyback synchro on Pin 6

or SCS synchro composite signal on Pins 5 and 6

+5V

are

Note : R

Figure 5 : Slave Synchronization Mode

Output signal on STTV Pin :

VCS when R

TCS when R

2

4

POL

MA/SL

+5V

VCS when R

TCS when R

POL grounded

POL to V

DD

1

Synchro

Extractor

Line PLL

Line PLL

VCS

R

TCS

R

Bit R

Control

STTV

Figure 3 : Master Synchronization Mode - Hardware Configuration

VCS, TCS

(interlaced)

VCS, TCS

(interlaced)

TCS

(non-interlaced)

621

(308)

622

(309)

623

(310)

624

(311)

625

(312)

12

34

5

6

309

310

311

312

313

314

(1)

315

(2)

316

(3)

317

(4)

318

(5)

319

(6)

308

309

310

311

312

1

2

3

4

5

6

The number positions indicate the end of lines.

Internal signals :

- VCS composite synchro from CVBS signal,

- TCS Teletext composite synchro.

Figure 4 : Master Synchronization Mode - Delivered Composite Synchronization Signal

STV5346 - STV5346/H - STV5346/T

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