LF3370

High-Definition Video Format Converter

6

03/13/2001–LDS.3370-F

Video Imaging Products

DEVICES INCORPORATED

LF3370’s core. Data may be presented on

channels of non-interleaved input data, one

channel non-interleaved and one channel

interleaved input data, or one channel of

interleaveddata(seeTable1forvarious

channel input port; the Key channel is

simply passed through the input

demultiplexerwithalatencythatmatches

the other three channels.

If video data is non-interleaved and

The three channels are passed unmodified

into the LF3370 core with a delay of 3 CLK

cycles. For this operation, bits 0 and 1

must both be set to 1 in Configuration

Register 0 (see Table 5).

If video data is on two channels (see Figure

4), one channel of non-interleaved video

and one channel of interleaved video, it is

assumedthatnon-interleavedvideois

CLK

1

2

3

Demultiplexed Input Data (Output of Demux Section)

5

6

7

8

10

13

911

SYNC

412

14

17

15

16

*

RESET

CLK

RESET

1

2

3

Core Clock (Internally Generated and Synchronized to CLK by RESET) Used Only When Single Channel Interleaved Input or Output Video is Used.

Demultiplexed Input Data (Output of Demux Section)

5

6

7

8

10

13

911

CLK/2*

SYNC

412

14

17

15

16

18

*

**