參數(shù)資料
型號： SAA7186
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Digital video scaler
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： PLASTIC, SOT-317-2, QFP-100
文件頁數(shù)： 28/44頁
文件大?。?/td> 223K
代理商： SAA7186
May 1993
28
Philips Semiconductors
Preliminary specification
Digital video scaler
SAA7186
“04”
HF2
to
HF0
Horizontal decimation filter (Figures 13 and 14):
HF2 HF1
HF0
0
0
0
0
1
1
taps
2
3
5
9
filter
filter 1 (1/2 (1
+
z
1
))
filter 2 (1/4 (1
+
2z
1
+
z
2
))
filter 3 (1/8 (1
+
2z
1
+
2z
2
+
2z
3
+
z
4
))
filter 4 (1/16 (1
+
2z
1
+
2z
2
+
2z
3
+
2z
4
+
2z
5
0
0
1
0
1
0
+
2z
6
+
2z
7
+
z
8
))
1
1
1
0
0
1
0
1
0
1
1
8
filter bypassed
filter bypassed + delay in Y channel of 1T
filter 5 (1/16 (1
+
3z
1
+
3z
2
+
z
3
+
z
4
+
3z
5
+
3z
6
+
z
7
))
1
1
1
4
(1/8 (1
+
3z
1
+
3z
2
+
z
3
))
“05 and 08”
YD9
to
YD0
Line number per output field (straight binary):
00 0000 0000 to 11 1111 1111 (number of YS lines as a maximum)
“06 and 08”
YS9
to
YS0
Line number per input field (straight binary):
00 0000 0000
11 1111 1111
0 line
1023 lines (maximum = number of lines/field
3)
“07 and 08”
YO8
to
YO0
Vertical start of scaling window. “0” equals 3rd line after rising slope of VS input signal.
Take care of active line number per field (straight binary).
0 0000 0000 start with 3rd line after the rising slope of VS
0 0000 0011 start with 1st line after the falling slope of nominal VS (SAA7151B/91B)
1 1111 1111
511 + 3 lines after the rising slope of VS (maximum value)
“08”
AFS
Adaptive filter switch:
0 = off; use VP1, VP0 and HF2 to HF0 bits
1 = on; filter characteristics are selected by the scaler
VP1
to
VP0
Vertical data processing
VP1 VP0
processing
0
0
1
1
1
vertical filter 2: (H(z) = 1/4 (1
+
2z
H
+
z
2H
))
“09 and 0B”
VS8
to
VS0
Vertical bypass start, sets begin of the bypass region (straight binary). Scaling region
overrides bypass region (YO bits):
0 0000 0000 start with 3rd line after the rising slope of VS
0 0000 0011 start with 1st line after the falling slope of nominal VS (SAA7151B/91B)
1 1111 1111
511 + 3 lines after the rising slope of VS (maximum value)
0
1
0
bypassed
delay of one line H(z) = z
H
vertical filter 1: (H(z) = 1/2 (1
+
z
H
))
相關(guān)PDF資料
PDF描述
SAA7188 Digital Video Encoder DENC2-M
SAA7188AWP AXIAL LEADED TUBULAR ALUMINUM RoHS Compliant: No
SAA7199 Digital Video Encoder DENC GENLOCK-capable
SAA7199BWP Digital Video Encoder DENC GENLOCK-capable
SAA7199B ; Capacitance:1uF; Capacitance Tolerance:+/- 10 %; Working Voltage, DC:100V; Terminal Type:Axial Leaded; Series:430P; Dielectric Material:Metalized Polyester; Mounting Type:Through Hole; Operating Temp. Max:85 C
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7186H 制造商:NXP Semiconductors 功能描述:Factory Sealed Trays (120 Per box)
SAA7187 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder DENC2-SQ
SAA7187WP 制造商:NXP Semiconductors 功能描述:
SAA7188 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M
SAA7188A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M
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