VSP 94x2A
DATA SHEET
2.2.1. Source Select
2.2.2. Signal Magnitudes and Gain Control
Two inputs are available. The choice between the first
or second input is made by RGBSEL.
The gain adjustment of the four ADCs can be done
with the parameters AGCADJR, AGCADJG, AGC-
ADJB, AGCADJF
255
229
255
229
upper headroom
upper headroom
80
16
0
16
0
lower headroom
lower headroom
Fig. 2–14: Y/RGBF Amplitude Characteristics (with or without sync)
255
240
255
240
upper headroom
upper headroom
100% U
100% V
212
128
44
212
128
44
75% V
75% U
16
16
lower headroom
lower headroom
0
0
Fig. 2–15: UV Amplitude Characteristics
Gain Control Characteristic
DC Gain Control Characteristic
ADC output=255
1.6
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.5
1.4
1.3
1.2
1.1
1
conversion range
0.9
0.8
0.7
0.6
0.5
0.4
ADC output=0
0.1
0.2
0
8
16
24
32
40
48
56
64
0
8
16
24
32
40
48
56
64
AGCADJR, AGCADJG, AGCADJB, AGCADJF (I²C)
AGCADJF (I²C)
Fig. 2–16: RGB ADC Characteristic, Fast-blank ADC
with Clamping (DCLMPF=0)
Fig. 2–17: Fast-blank ADC Characteristic without
Clamping (DCLMPF=1)
14
Aug. 16, 2004; 6251-552-1DS
Micronas
MICRONAS [ MICRONAS ]
