參數(shù)資料
型號: LC74775M
廠商: Sanyo Electric Co.,Ltd.
英文描述: On-Screen Display Controller IC
中文描述: 屏幕顯示控制器IC
文件頁數(shù): 16/35頁
文件大?。?/td> 258K
代理商: LC74775M
No. 5919-16/35
LC74775, 74775M
DA 0 to 7
Register
Contents
Notes
State
Function
7
1
6
1
Command 7 identification code.
5
1
Display control setup.
4
1
3
0
2
0
Extended command 0 identification code
1
0
0
0
First byte
COMMAND7 (Display control setup command)
DA 0 to 7
Register
Contents
Notes
State
Function
7
0
Second byte identification bit
6
CINSEL
0
Blank area (The logical OR of the character and frame signals)
CV
CR
on signal switching
1
Video signal display area
5
CINCTL
0
CV
CR
: off
CV
CR
: on
V falling edge detection
CV
CR
on/off switching
1
4
VNPSEL
0
Switches the V acquisition polarity in external
mode when internal V separation is used.
1
V rising edge detection
3
VSPSEL
0
VSEP: about 8.9 μs (NTSC)
Switches the internal V separation period
1
VSEP: about 17.8 μs (NTSC)
2
MSKERS
0
Mask valid
Clears the HSYNC and VSYNK masks
1
Mask invalid
1
MSKSEL
0
3H (NTSC)
Switches the VSYNC mask
1
20H (NTSC)
0
EGL
0
Frame level 0 only (VBK0)
Switches the frame level.
(Only valid when BLK0 is 0 and BLK1 is 1.)
1
Two-stage frame level (VBK0 and VBK1)
Second byte
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
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