參數(shù)資料
型號: LC74731W
廠商: SANYO SEMICONDUCTOR CO LTD
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): 15/38頁
文件大?。?/td> 153K
代理商: LC74731W
No. 6526-22/38
LC74731W
COMMAND52 (Display control setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
1
Command 5 identification code
6
1
Display control settings
5—
0
4—
1
3
1
Extended command 2 identification code
2—
0
1
EVEBSS
0
Normal
Switches the ENBVI signal
1
Always high
0
LSPSS
0
Normal
LCSTOP control signal
1
HT12 “on” HT34 “off”
Second byte
Note that all registers are set to 0 when the LC74731W is reset by the RST pin.
DA0 to 7
Register
Content
Notes
State
Function
7
0
Second byte identification bit
6
CINSEL
0
Blank area (the logical OR of the character and outlining signals)
Switches the CVCR on state signal
1
Video signal display area
5
CINCTL
0CVCR: off
CVCR on/off switching
1CVCR: on
4
VNPSEL
0
V signal falling edges detected
Switches the V signal acquisition polarity when
1
V signal rising edges detected
external mode/internal V separation is used
3
VSPSEL
0
VSEP: About 8.9 s (NTSC)
Switches the internal vertical separation time
1
VSEP: About 17.8 s (NTSC)
2
MSKERS
0
Mask enabled
Clears the HSYNC and VSYNC masks
1
Mask disabled
1
MSKSEL
0
3H (NTSC)
Switches the VSYNC mask
1
20H (NTSC)
0
EGL
0
Outlining level 0 only (VBK0)
Switches the outlining level (Only valid when BLK0
1
Two-stage outlining level (VBK0, VBK1)
is 0 and BLK1 is 1.)
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