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LC74775 Datasheet(PDF) 16 Page - Sanyo Semicon Device

Part # LC74775
Description  On-Screen Display Controller IC
PDF  35 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC74775 Datasheet(HTML) 16 Page - Sanyo Semicon Device

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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)
CVCR on signal switching
1
Video signal display area
5
CINCTL
0
CVCR: off
CVCR on/off switching
1
CVCR: on
4
VNPSEL
0
V falling edge detection
Switches the V acquisition polarity in external
1
V rising edge detection
mode when internal V separation is used.
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.
1
Two-stage frame level (VBK0 and VBK1)
(Only valid when BLK0 is 0 and BLK1 is 1.)
• Second byte
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.



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