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參數(shù)資料
| 型號： | SAA7151B |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | Digital multistandard colour decoder with SCART interface DMSD2-SCART |
| 中文描述： | COLOR SIGNAL DECODER, PQCC68 |
| 封裝： | PLASTIC, MO-047AC, SOT-188-2, LCC-68 |
| 文件頁數(shù)： | 35/49頁 |
| 文件大小： | 311K |
| 代理商： | SAA7151B |
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April 1993
35
Philips Semiconductors
Product specification
Digital multistandard colour decoder with
SCART interface (DMSD2-SCART)
SAA7151B
OSCE
“09”
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LFIS1 to LFIS0
External UV offset compensation: 0 = disabled; 1 = enabled
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Chrominance gain control (AGC filter):
LFIS1
LFIS0
control of loop filter time constant
0
0
1
1
1
actual gain, stored (for test purposes only)
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Colour killer threshold SECAM as previously described under CKTQ subaddress “08”
PAL switch sensitivity from LOW to HIGH (HIGH means immediate sequence correction), equals FF to
00 (hex), MEDIUM equals 80.
SECAM switch sensitivity from LOW to HIGH (HIGH means immediate sequence correction), equals FF
to 00 (hex), MEDIUM equals 80.
Set port outputs (general purpose switching, internal)
FSAU
GPSI2
GPSI1
output GPSW2 (pin 25)
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0
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1
1
HIGH
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1
0
slow
medium
fast
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CKTS4 to CKTS0
PLSE7 to PLSE0
“0A”
SESE7 to SESE0
“0B”
FSAU; GPSI2,
and GPSI1
“0C”
output GPSW1 (pin 24)
LOW
HIGH
LOW
HIGH
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LOW
LOW
HIGH
1
X
X
status bit FSST1 set
status bit FSST0 set
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CGFX
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AMPF3 to AMPF0
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Chrominance gain pre-determination: 0 = gain controlled via loop; 1 = gain set by AMPF-bits
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Chrominance amplification factor
AMPF3
AMPF2
AMPF1
AMPF0
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gain
6 dB
0 dB
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1.5 dB
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3 to
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16.5 dB (approximately 1.5 dB steps)
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17 dB
0
1
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1
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