參數(shù)資料
型號: BT849A
英文描述: Single-Chip Video Capture for PCI
中文描述: 單芯片的PCI視頻捕捉
文件頁數(shù): 110/141頁
文件大?。?/td> 1149K
代理商: BT849A
Bt848/848A/849A
Single-Chip Video Capture for PCI
Brooktree
100
C
ONTROL
R
EGISTER
D
EFINITIONS
Chroma (V) Gain Register, Lower Byte
L848A_A
Chroma (V) Gain Register, Lower Byte
Memory Mapped Location 0x038 – (SAT_V_LO)
Upon reset it is initialized to 0xB4. SAT_V_LO(0) is the least significant bit. SAT_V_MSB in the CONTROL register
and SAT_V_LO concatenate to give a 9-bit register (SAT_V).
SAT_V
Bits
Type
Default
Name
Description
[7:0]
RW
0xB4
SAT_V_LO
This register is used to add a gain adjustment to the V component
of the video signal. By adjusting the U and V color components of
the video stream by the same amount, the saturation is adjusted.
Decimal Value
Hex Value
% of Original Signal
511
0x1FF
283.89%
510
0x1FE
283.33%
.
.
.
.
.
.
181
0x0B5
100.56%
180
0x0B4*
100.00%
.
.
.
.
.
.
128
0x080
71.11%
.
.
.
.
.
.
1
0x001
0.56%
0
0x000
0.00%
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