參數(shù)資料
型號(hào): SAA7110
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: Digital Multistandard Colour Decoder(數(shù)字多標(biāo)準(zhǔn)彩色譯碼器)
中文描述: COLOR SIGNAL DECODER, PQCC68
封裝: PLASTIC, MO-047AC, SOT-188-2, LCC-68
文件頁(yè)數(shù): 16/76頁(yè)
文件大?。?/td> 416K
代理商: SAA7110
1995 Oct 18
16
Philips Semiconductors
Product specification
One Chip Front-end 1 (OCF1)
SAA7110; SAA7110A
handbook, full pagewidth
analog input
amplifier
anti-alias amplifier
ADC8
decoder input
X
HSY
WRSE
>
WIPE
>
WIPE
<
SBOT
<
SBOT
WIRS
X
=
1
X
=
0
IVAL
+
IVAL
WVAL
+
/
0
+
4/F
+
4/L
gain accumulator (20 bits)
actual gain value 8-bit (AGV) [
3/
+
6 dB]
X
STOP
HSY
Y
update
FGV
MGC828
AGV
gain value 8-bit
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
1
0
1
0
VBLK
1
0
no action
MSB
6
LSB
2
*IWIP
*IGAI
*IWIP
Fig.9 Luminance AGC flow chart.
X = system variable (start with logic 0).
Y = IAGV-FGVI > GUDL.
VBLK = vertical blanking pulse.
HSY = horizontal sync pulse.
SBOT = sync bottom level (adjustable).
WIPE = white peak level (adjustable).
IVAL = integration value gain (adjustable).
WVAL = integration value WIPE (adjustable).
IGAI = integration factor gain (adjustable).
IWIP = integration factor WIPE (adjustable).
AGV = actual gain value.
FGV = frozen gain value.
GUDL = gain update level (adjustable).
WRSE = white peak reset enable.
WIRS = white peak reset select.
L = line.
F = field.
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