參數(shù)資料
型號(hào): STV2249
元件分類(lèi): 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運(yùn)算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁(yè)數(shù): 47/76頁(yè)
文件大?。?/td> 2157K
代理商: STV2249
STV223XD/224XC -
I2C BUS SELECTION
47/76
12
Bandpass adjust
4
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
0
0
1
1
1
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
0
1
0
0
0
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
0
0
1
1
0
1
X
X
X
X
X
0
0
1
1
X
X
0
0
1
X
1
X
X
X
X
X
0
1
X
X
X
X
X
X
X
0
1
0
1
0
1
X
X
X
X
X
0
1
0
1
X
X
0
1
0
X
1
X
X
X
X
X
0
1
X
X
X
X
0
0
1
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
0
X
X
X
X
0
1
0
1
X
0
1
X
X
X
X
0
1
X
X
X
X
X
f = fosc.
f = 1.1*fosc.
0 = Chroma reference output OFF.
1 = Chroma reference output ON.
0 = ON.
1 = OFF.
Chroma reference out-
put
1
Chroma DL selection
1
Not to be used
2
2
13
Crystal selection
XTAL1 (4.43/3.5XX MHz).
XTAL2 (3.5XX MHz).
XTAL3 (3.5XX MHz).
Not allowed.
PAL.
NTSC.
SECAM (only with XTAL1).
Not allowed.
Not allowed.
AUTO mode.
Not allowed
Two-crystal, P/S/N application.
Three-crystal, P/N application.
One-crystal, 4.43 MHz application.
Two-crystal, P/N application.
Standard selection
2
Crystal inhibition
2
Not to be used
Hue control
(in NTSC only)
2
6
14
-45°.
+45°.
0 = Flesh disable (OFF).
1 = Flesh enable (ON).
0 = Normal characteristic.
1 = Wide characteristic.
CVBS1 selected.
CVBS2 selected.
Y/CVBS3 selected.
CVBS1 selected.
CVBS2 selected.
Y/CVBS3 selected.
Y+C selected.
Flesh enable
1
Wide flesh charac-
teristic selection
1
15
Main Video switch
2
Second Video switch
control
2
SVHS switch Chroma
decoder input
selection
Not to be used
1
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
0 = Main CVBS selected.
1 = CHR input selected (SVHS).
3
1
X
0
1
0
X
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Safety Reset
0 = Safety active
1 = Reset Safety, Safety non-active
Reg.
Addr.
(Hex)
Description
Bits
Data
Comments
d7 d6 d5 d4 d3 d2 d1 d0
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PDF描述
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