VV5430 Ver la hoja de datos (PDF) - STMicroelectronics
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VV5430 Datasheet PDF : 33 Pages
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Video Standards
VV5430
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:
Video Mode
CCIR
EIA
Format
4:3
4:3
Image (Pixels)
384 x 287
320 x 243
Crystal Frequency
14.7456 MHz
12.0000 MHz
CCIR pin
1
0
Table 7 : VV5430 Video Modes
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:
Symb
ol
Parameter
Min.
Typ
.
Max.
Unit
s
Notes
VSync
Vblank
Vblack
VSat
CCIR, EIA Sync. level
0.3
V
CCIR, EIA Blanking level
0.9
V
CCIR Black level
0.9
V
EIA Black level
1.0
V
CCIR Saturation level
2.3
V
EIA Saturation level
2.4
V
Table 8 : Video Timing Parameters
DC reference level
Peak White; AVO
clipped at this level
Note: All measurements are made with AVO driving one 75Ω load.
CD5430F-A
10/33
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