參數(shù)資料
型號(hào): LC74732W
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PQFP64
封裝: SQFP-64
文件頁數(shù): 11/38頁
文件大小: 153K
代理商: LC74732W
No. 6527-19/38
LC74732W
COMMAND4 (Display control setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
1
Command 4 identification code
6
1
Display control settings
5—
0
4—
0
3
NP2
0
NP2
NP1
NP0
Signal format
Switches the signal format
1
0
NTSC
2
NP1
0
1
PAL-M
1
0
1
0
PAL
0
1
PAL-N
1
NP0
1
0
NTSC4.43
1
0
1
PAL60
0
I/N
0
Interlaced
Switches between interlaced and noninterlaced
1
Noninterlaced
Second byte
Note that all registers are set to 0 when the LC74732W is reset by the RST pin.
DA0 to 7
Register
Content
Notes
State
Function
7
0
Second byte identification bit
6
HLFINT
0
Normal mode
1
Semi-internal synchronization mode
5
BCL1
0
BCL1
BCL0
Only valid in internal synchronization mode.
1
0
Background color shown
0
1
No background color (RSL1)
4
BCL0
1
0
No background color (CBH)
1
No background color (RSH1)
3CB
0
The color burst signal is output.
Only valid when BCL is high.
1
Color burst signal output is stopped.
2
PH2
0
PH2
PH1
PH0
Background color
Background color specification
1B
G
R
1
PH1
0
Black (RSLx)
1
0
1
Red
0
1
0
Green
0
1
Yellow
0
PH0
1
0
Blue
1
0
1
Magenta
1
0
Cyan
1
White (RSHx)
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