參數(shù)資料
型號(hào): TVP5146PFPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: GREEN, PLASTIC, HTQFP-80
文件頁(yè)數(shù): 84/109頁(yè)
文件大小: 1658K
代理商: TVP5146PFPR
68
SLES084C August 2007
TVP5146
2.11.70
VDP Pixel Alignment Register
Subaddress
C2h–C3h
Default
01Eh
Subaddress
7
6
5
4
3
2
1
0
C2h
Pixel alignment [7:0]
C3h
Reserved
Pixel alignment [9:8]
Pixel alignment [9:0]: These registers form a 10-bit horizontal pixel position from the falling edge
of horizontal sync, where the VDP controller initiates the program from one line standard to the
next line standard. For example, the previous line of teletext to the next line of closed caption.
This value must be set so that the switch occurs after the previous transaction has cleared the
delay in the VDP, but early enough to allow the new values to be programmed before the current
settings are required.
The default value is 0x1E and has been tested with every standard supported here. A new value
is needed only if a custom standard is in use.
2.11.71
VDP Line Start Register
Subaddress
D6h
Default
06h
7
6
5
4
3
2
1
0
VDP line start [7:0]
VDP line start [7:0]: Sets the VDP line starting address
This register must be set properly before enabling the line mode registers. VDP processor works
only in the VBI region set by this register and the VDP line stop register at subaddress D7h (see
Section 2.11.72).
2.11.72
VDP Line Stop Register
Subaddress
D7h
Default
1Bh
7
6
5
4
3
2
1
0
VDP line stop [7:0]
VDP line stop [7:0]: Sets the VDP stop line address
2.11.73
VDP Global Line Mode Register
Subaddress
D8h
Default
FFh
7
6
5
4
3
2
1
0
Global line mode [7:0]
Global line mode [7:0]: VDP processing for multiple lines set by the VDP start line register at
subaddress D6h and the VDP stop line register at subaddress D7h.
Global line mode register has the same bit definition as the general line mode registers.
General line mode has priority over the global line mode.
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