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參數(shù)資料
| 型號： | LC74751 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display LSI |
| 中文描述： | 屏幕顯示大規(guī)模集成電路 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 439K |
| 代理商： | LC74751 |
No. 5396-9/15
LC74751
Address 190 (0BE hexadecimal)
DA
0 to C
Register
Contents
Notes
State
Function
0
PHASE0
0
1
1
PHASE1
0
1
2
PHASE2
0
1
3
SIGMD0
0
1
4
SIGMD1
0
1
5
SYSRST
0
The IC is reset by a low level on the CS pin, and the
reset state is cleared by a high level on that pin.
1
Resets all registers and turns display off.
6
MUTE
0
Normal output
1
CV
IN
is cut and CV
OUT
is fixed at the pedestal level.
7
DSPON
0
Character display off
1
Character display on
8
OSCSTP
0
Crystal oscillator and LC oscillator circuits are not stopped.
Only valid in external synchronization mode
when character display is off.
1
Stops the crystal oscillator and LC oscillator circuits.
9
2fsc/
4fsc/
0
Clock frequency: 2fsc
Crystal oscillator circuit frequency
1
Clock frequency: 4fsc
A
LC/
XTAL
0
The LC oscillator is used for the dot clock.
The OSC
IN
pin must be tied to V
DD
if the LC
oscillator circuit is not used.
1
The crystal oscillator is used for the dot clock.
B
INT/
NON
0
Interlaced (262.5 H per field: NTSC, 312.5 H per field: PAL)
Switches interlaced and noninterlaced display.
1
Noninterlaced (263 H per field: NTSC, 313 H per field: PAL)
SIGMD1
SIGMD0
Signal format
0
0
NTSC
0
1
PAL
1
0
PAL-M
1
1
PAL-N
PHASE2 PHASE1 PHASE0
Background color (phase)
PAL (PAL-M, N)
NTSC
π
/2
π
3
π
/2
In phase
π
/4
3
π
/4
5
π
/4
7
π
/4
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
±
π
/2
In phase
π
/2
±
π
±3
π
/4
±
π
/4
π
/4
±3
π
/4
Note: The states of all registers are set to zero when the IC is reset by the RST pin.
Background color
The phase of the background color with
respect to the color burst signal.
-
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| LC74759JM-9820-TRM-E | 制造商:SANYO Semiconductor Co Ltd 功能描述:ELECTRONIC COMPONENT |
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