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): 53/100頁
文件大?。?/td> 571K
代理商: TVP3010-85
2–39
2.16.3
The cursor-control register is used to control various on-chip cursor functions of the palette. It may be
accessed by the MPU at any time. Bit 7 of the cursor-control register corresponds to data bus bit 7,
index = 06 (hex).
Cursor-Control Register
Table 2–14. Cursor-Control Register
BIT NAME
CCR7
VALUES
DESCRIPTION
X
0: Disable (default)
Reserved
CCR6
Sprite-cursor enable. This bit enables (logic 1) or disables (logic 0) the
64
×
64 sprite cursor.
1: Enable
( g
( g
CCR5
0: (default)
Dual-cursor format. This bit specifies the display format at the intersection of
the crosshair cursor and the user-defined cursor area See Section 2 5 5 and
the crosshair cursor and the user-defined cursor area. See Section 2.5.5 and
the cursor intersection truth table.
1:
CCR4
0: XGA (default)
64
×
64 cursor-mode select. This bit specifies whether the XGA (logic 0) or
X-windowsformatisusedtointerpretthedatastoredinthe64
64cursorsprite
X-windows format is used to interpret the data stored in the 64
×
64 cursor sprite
RAM. See Section 2.5.2.
1: X-windows
CCR3
0: Color 0 (default)
Crosshair color selection. This bit specifies whether the crosshair cursor is to
be displayed in color 1 (logical 1) or color 0 (logical 0).
1: Color 1
CCR2
0: Disable (default)
Crosshair cursor enable. This bit specifies whether the crosshair cursor is to
be displayed (logical 1) or not (logical 0).
1: Enable
CCR1 CCR0
CCR1, CCR0
00: 1 pixel (default)
Crosshair thickness. These bits specify whether the vertical and horizontal
thicknessofthecrosshairisone three five orsevenpixels Thesegmentsare
thickness of the crosshair is one, three, five, or seven pixels. The segments are
centered about the value in the cursor-position (x,y) register.
centered about the value in the cursor position (x,y) register.
h i thi k
h th
d h i
t l
01: 3 pixels
10: 5 pixels
11: 7 pixels
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