參數(shù)資料
型號: CH7012A
廠商: Electronic Theatre Controls, Inc.
英文描述: Chrontel CH7012 TV Output Device
中文描述: 昆泰CH7012電視輸出設備
文件頁數(shù): 28/42頁
文件大?。?/td> 551K
代理商: CH7012A
CHRONTEL
Black Level Register
CH7012A
BL
28
201-0000-042 Rev. 1.1, 9/29/2000
Symbol:
Address:
07h
Bits:
8
Register BL controls the black level. The luminance data is added to this black level, which must be set between 51
and 208. When the input data format is zero through three the default values are 131 for NTSC and PAL-M, 110 for
PAL and 102 for NTSC-J. When the input data format is four the default values are 112 for NTSC and PAL-M, 94
for PAL and 88 for NTSC-J.
Contrast Enhancement Register
Symbol:
CE
Address:
08h
Bits:
3
Bits 2-0 of register CE control contrast enhancement feature of the CH7012, according to the figure below. A
setting of ‘0’ results in reduced contrast, a setting of ‘1’ leaves the image contrast unchanged, and values beyond ‘1’
result in increased contrast.
Figure 16: Contrast Enhancement diagram
BIT:
7
6
5
4
3
2
1
0
SYMBOL:
TYPE:
DEFAULT:
BL7
R/W
BL6
R/W
BL5
R/W
BL4
R/W
BL3
R/W
BL2
R/W
BL1
R/W
BL0
R/W
1
0
0
0
0
0
1
1
BIT:
7
6
5
4
3
2
1
0
SYMBOL:
TYPE:
DEFAULT:
CE2
R/W
CE1
R/W
CE0
R/W
0
1
1
32
36
104
172
240
308
376
444
512
32
36
104
172
240
308
376
444
512
Yo< >
n
256
Yinn
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