參數(shù)資料
型號(hào): LC74794
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路(LSI))
中文描述: 屏幕顯示控制器芯片(用于屏幕顯示控制器規(guī)模集成電路(LSI)的)
文件頁數(shù): 13/30頁
文件大?。?/td> 217K
代理商: LC74794
No. 5557-13/30
LC74794, 74794M
COMMAND5 (Display control setup command)
First byte
DA
0 to 7
7
6
5
4
Register
Contents
Notes
State
1
1
0
1
0
1
0
1
1
0
0
1
Function
3
NP1
Switches between NTSC and PAL.
( ) external input V
2
NP0
1
NON
Interlaced
Noninterlaced
External synchronization
Internal synchronization
0
INT
Command 5 identification code
Display control setup
Switches between interlaced and
noninterlaced video.
Switches between external and internal
synchronization
Second byte
Note: All registers are set to 0 when the LC74794/M is reset by the RST pin.
DA
0 to 7
7
6
Register
Contents
Notes
State
0
0
0
1
0
1
0
1
Function
Second byte identification bit
5
HLFINT
Normal mode
No background coloring (Only the background level is set)
Background coloring on
No background coloring (Only the background level is set)
Color burst signal output
Color burst signal output stopped
4
BCL
Only valid in internal synchronization mode.
3
CB
Only valid when BCL is high.
2
PH2
0
1
1
PH1
0
1
0
PH0
0
1
Background color specification
*
: When 2 fsc is used.
PH2
0
0
0
0
1
1
1
1
PH1
0
0
1
1
0
0
1
1
PH0
0
1
0
1
0
1
0
1
Background color (phase)
Cyan
Yellow
Red
Blue
Cyan - blue
Green
Orange
Magenta
*
*
*
*
*
*
NP0
0
1
NPP1
0
1
NTSC (525)
PAL (525)
NTSC (625)
PAL (625)
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