參數(shù)資料
型號： SAA7140A
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： High Performance Scaler HPS
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
文件頁數(shù)： 51/68頁
文件大?。?/td> 432K
代理商： SAA7140A
1996 Sep 04
51
Philips Semiconductors
Objective specification
High Performance Scaler (HPS)
SAA7140A; SAA7140B
Table 42
Reference edge selection for the H-sync input of the acquisition window; data bit REHAW
Table 43
Expansion-port clock and reference signal selection; data bit SRIO (see Tables 37 to 40)
Table 44
VSYV output signal polarity; data bit VSYP
Table 45
VRAM port output format select; data bits FS2 to FS0 (04H to 24H); see Tables 6 and 7
Table 46
Dithering (noise shaping) control (for VRAM port only); data bit DIT
Table 47
ROM table for anti-gamma correction (for VRAM port only); data bit RTB
REHAW
DESCRIPTION
0
1
rising edge is reference
falling edge is reference
SRIO
DESCRIPTION
0
1
clock and reference signals are taken from xxxIN pins
clock and reference signals are taken from xxxIO pin, xxxIN pins are ignored
VSYP
DESCRIPTION
0
1
VSYV contains 1 active V sync signals
VSYV contains 0 active V sync signals
FS2
FS1
FS0
OUTPUT FORMAT
0
0
0
RGB (5, 5, 5) +
α
; 2
×
16-bit/pixel; 32-bit word length; RGB matrix on,
VRAM output format
YUV 4 : 2 : 2; 2
×
16-bit/pixel; 32-bit word length; RGB matrix off, VRAM
output format
YUV 4 : 2 : 2; 1
×
16-bit/pixel; 16-bit word length; RGB matrix off, optional
output format
monochrome mode; 4
×
8-bit/pixel; 32-bit word length; RGB matrix off,
VRAM output format
RGB (5, 5, 5) +
α
; 1
×
16-bit/pixel; 16-bit word length; RGB matrix on,
VRAM output + transparent format
YUV 4 : 2 : 2 +
α
; 1
×
16-bit/pixel; 16-bit word length; RGB matrix off;
VRAM output + transparent format
RGB (8, 8, 8) +
α
; 1
×
24-bit/pixel; 24-bit word length; RGB matrix on,
VRAM output + transparent format
monochrome mode; 2
×
8-bit/pixel; 16-bit word length; RGB matrix off,
VRAM output + transparent format
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
DIT
DESCRIPTION
0
1
dithering on
dithering off
RTB
DESCRIPTION
0
1
ROM table switched on
ROM table switched off
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7140B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High Performance Scaler HPS
SAA7144HL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quadruple video input processor
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