參數(shù)資料
型號(hào): VDP3108
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Single-Chip Video Processor
中文描述: 單芯片視頻處理器
文件頁(yè)數(shù): 6/61頁(yè)
文件大?。?/td> 2638K
代理商: VDP3108
VDP 3108
ADVANCE INFORMATION
MICRONAS INTERMETALL
6
Table 2–1:
ADC input range
for PAL input Signal
Signal
ADC Range [steps]
Input Level [mV
pp
]
–6 dB
0 dB
+4.5 dB
CVBS
100% CVBS
252 (clipped at 125 IRE)
667
1333
2238
75% CVBS
213
500
1000
1679
video (luma)
149
350
700
1175
sync
64 (AGC reference)
150
300
504
clamp level
68
Chroma
burst
64
300
100% Chroma
190
890
75% Chroma
143
670
bias level
128
255
192
128
0
black
= clamp
level
217
video = 100 IRE
sync = 41 IRE
íííííííííí
íííííííííí
lower headroom = 4 steps = 0.2 dB
68
32
192
128
228
ííííííííí
ííííííííí
80
32
ííííííííí
upper headroom = 38 steps = 1.4 dB = 25 IRE
CVBS/Y
Chroma
7
1
b
Fig. 2–2:
ADC ranges for CVBS/Luma and Chroma, PAL input signal
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