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參數(shù)資料
| 型號： | TVP3026-175M |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Video Interface PALETTE Exract(組合像素模式視頻接口調色器) |
| 中文描述： | 視頻接口調色板Exract（組合像素模式視頻接口調色器） |
| 文件頁數(shù)： | 57/107頁 |
| 文件大小： | 707K |
| 代理商： | TVP3026-175M |
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2–43
2.15.3
The indirect cursor-control register is accessed using the indirect register map. This register provides for
enabling and disabling the cursor and other cursor controls. The cursor mode-select may also be controlled
using the direct cursor-control register. The indirect cursor-control register definition is listed in Table 2–28.
Table 2–28. Indirect Cursor-Control Register
Indirect Cursor-Control Register (Index: 0x06, Access: R/W, Default: 0x00)
BIT NAME
VALUES
DESCRIPTION
CCR7
0: Use indirect
CCR (default)
Cursor control register select. CCR7 selects which cursor control register is
used (direct or indirect). The video BIOS must initialize this bit to 1 for driver
software that uses the direct cursor control register.
1: Use direct CCR
CCR6
0: Normal (default)
ODD/EVEN sense invert. When CCR6 is reset to 0, the field indicator
ODD/EVEN used by the hardware cursor in interlaced display mode, is set to
1 for the odd field and is reset to 0 for the even field. When CCR6 is set to 1,
the polarity of ODD/EVEN is the opposite.
1: Invert
p y
CCR5
0: Disable (default)
Enable interlaced cursor. When CCR5 is set to 1, interlaced cursor operation
is enabled During interlaced cursor operation the ODD/EVEN terminal
isena bled. During interlaced cursor operation, the ODD/EVEN terminal
indicates the odd or even field, as determined by value in CCR6.
1: Enable
CCR4
0: 2048 pixels
(default)
Vertical blank detection method. Vertical blank is detected using only the blank
signal. The logic detects when there has been either 2048 or 4096 consecutive
dot clocks between rising edges of BLANK.
1: 4096 pixels
CCR3, CCR2
00: (default)
Cursor RAM address bits 9 and 8. CCR3 is bit 9 and CCR2 is bit 8. These bits
are used with the lower 8 bits of the cursor RAM address supplied by the cursor
RAM address register in the direct register map.
CCR1 CCR0
CCR1, CCR0
00: Cursor off
(default)
Cursor mode select. CCR1 and CCR0 disable the cursor and select the format
used to interpret the information stored in the cursor RAM when displaying the
cursor. See Table 2–27.
dCCR0di
h f
p y g
01: Three-color
cursor
10: XGA cursor
11: X-windows
cursor
2.15.4
Direct Cursor-Control Register (Direct Register: 1001, Access: R/W,
Default: 0x00)
The direct cursor control register is accessed using the direct register map. This register provides an
alternate means of enabling and disabling the cursor and selecting the cursor mode. This register is provided
for compatibility with commonly used software drivers. The direct cursor-control register definition is listed
in Table 2–29.
Table 2–29. Direct Cursor-Control Register
BIT NAME
DCC7–DCC2
VALUES
DESCRIPTION
000000
00: Cursor off
(default)
Reserved
DCC1 DCC0
DCC1, DCC0
Cursor mode select. DCC1 and DCC0 disable the cursor and select the format
used to interp
cursor. See Table 2–27.
dDCC0di
h f
p y g
01: Three color
cursor
10: XGA cursor
11: X-windows
cursor
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相關代理商/技術參數(shù) |
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