STV3550B STMicroelectronics, STV3550B Datasheet - Page 47

• Manufacturer Part Number: STV3550B
• Manufacturer: STMicroelectronics

Specifications of STV3550B

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Compliant

STV3550
This can be used to independently control the contrast of the OSD plane in relation to the
video display plane.
Table 12.
PNDL[11:0]
Gain[5:0]
GaEn
MiMo[1:0]
FM[1:0]
SLL
NP
Offset[9:0]
CLUTAdd[7:0]
NCL[7:0]
MiW[7:0]
Bit field
OSD header characteristics
12
6
1
2
2
1
1
10
8
8
Bits
8
The number of pixels displayed per TV line.
000h:
FFFh:
Gain factor applied to RGB outputs.
00h: 0/32 Gain factor
3Fh: 63/32 Gain factor
Gain enable
0: Gain and offset operations are disabled.
1: Gain and offset operations are enabled.
Mixing mode
00: Pixel Mixing mode
01: Global Mixing mode
10: Proportional Mixing mode
11: No Mixing mode (full OSD)
Filter mode
00: No Filter mode
01: Anti-Flicker mode
10: Anti-Flutter mode
11: Reserved
Stop linked list
0: The next OSD specification will be displayed.
1: The current OSD specification is the last one displayed on the TV
screen. After this specification is displayed, the OSD will switch off.
New palette
0: The CLUT from the previous OSD region will be used.
1: A new palette must be loaded for the current OSD region.
Offset value added to RGB outputs.
000h:
3FFh:
Address in the OSD CLUT where the first color (pointed by
Palettep[31:0]) will be (re) loaded.
00h:
FFh:
Number of colors loaded in the OSD CLUT
00h:
FFh:
Mixing factor applied to RGB outputs when Global mixing mode is
selected. Values greater than 80h are clamped to 80h.
00h:
80h:
Description
Graphics functional description
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