參數(shù)資料
型號: TVP3010-85
廠商: Texas Instruments, Inc.
英文描述: Hardware Cursor, GAMMA Correction VIP(85MHz,高/寬光標(biāo),伽馬校正,視頻接口調(diào)色板)
中文描述: 硬件光標(biāo),伽瑪校正貴賓(85MHz,高/寬光標(biāo),伽馬校正,視頻接口調(diào)色板)
文件頁數(shù): 61/100頁
文件大?。?/td> 571K
代理商: TVP3010-85
2–47
2.16.13 Color-Key (Red, Green, Blue, Overlay) Low and High Registers
These registers are used to specify the color comparison ranges for the four direct-color data fields when
performing color-key switching. A low and a high register are provided for each of the four data fields to
facilitate the range comparison. See Sections 2.6 and 2.6.2 for more details on their usage. All four low
registers are initialized with 01 (hex), while all four high registers are initialized with FF (hex). The registers
may be written to or read from by the MPU at any time. There are eight registers total, two for each color.
The register formats for both low and high registers are shown below.
COLOR-KEY LOW
D4
Data Bit
D7
D6
D5
D3
D2
D1
D0
Low Value
L7
L6
L5
L4
L3
L2
L1
L0
Index = 30h, 32h, 34h, and 36h
COLOR-KEY HIGH
D4
Data Bit
D7
D6
D5
D3
D2
D1
D0
High Value
H7
H6
H5
H4
H3
H2
H1
H0
Index = 31h, 33h, 35h, and 37h
Values 00 (hex) to FF (hex) may be written into the four color-key-low and four color-key-high registers.
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