Video Standards

VV5430

CD5430F-A

10/33

4.

Video Standards

The VV5430 has 2 different video format modes, producing CCIR or EIA standard composite Monochrome video output. Line

standards and frequencies are as follows:

4.1

Video Signal Characteristics

The following table summarises the composite video output levels (AVO) for the two standards, which are graphically illustrated

on the following pages:

Note: All measurements are made with AVO driving one 75

Ω load.

Video Mode

Format

Image (Pixels)

Crystal Frequency

CCIR pin

CCIR

4:3

384 x 287

14.7456 MHz

1

EIA

4:3

320 x 243

12.0000 MHz

0

Table 7 : VV5430 Video Modes

Symb

ol

Parameter

Min.

Typ

.

Max.

Unit

s

Notes

CCIR, EIA Sync. level

0.3

V

CCIR, EIA Blanking level

0.9

V

DC reference level

CCIR Black level

0.9

V

EIA Black level

1.0

V

CCIR Saturation level

2.3

V

Peak White; AVO

clipped at this level

EIA Saturation level

2.4

V

Table 8 : Video Timing Parameters