參數(shù)資料
型號: 935260018551
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: PLASTIC, SOT-393, QFP-64
文件頁數(shù): 43/75頁
文件大?。?/td> 479K
代理商: 935260018551
1998 May 15
48
Philips Semiconductors
Product specication
Enhanced Video Input Processor (EVIP)
SAA7111A
17.2.9
SUBADDRESS 09
Table 21 Luminance control SA 09, D7 to D0
Note
1. Not to be used with bypassed chrominance trap.
FUNCTION
BIT NAME
LOGIC LEVEL
CONTROL BIT
Aperture factor (APER)
Aperture factor = 0
APER1
0
D1
APER0
0
D0
Aperture factor = 0.25
APER1
0
D1
APER0
1
D0
Aperture factor = 0.5
APER1
1
D1
APER0
0
D0
Aperture factor = 1.0
APER1
1
D1
APER0
1
D0
Update time interval for AGC value (UPTCV)
Horizontal update (once per line)
UPTCV
0
D2
Vertical update (once per eld)
UPTCV
1
D2
Vertical blanking luminance bypass (VBLB)
Active luminance processing
VBLB
0
D3
Luminance bypass during vertical blanking
VBLB
1
D3
Aperture band pass (centre frequency) (BPSS)
Centre frequency = 4.1 MHz
BPSS1
0
D5
BPSS0
0
D4
Centre frequency = 3.8 MHz; note 1
BPSS1
0
D5
BPSS0
1
D4
Centre frequency = 2.6 MHz; note 1
BPSS1
1
D5
BPSS0
0
D4
Centre frequency = 2.9 MHz; note 1
BPSS1
1
D5
BPSS0
1
D4
Prelter active (PREF)
Bypassed
PREF
0
D6
Active
PREF
1
D6
Chrominance trap bypass (BYPS)
Chrominance trap active; default for CVBS mode
BYPS
0
D7
Chrominance trap bypassed; default for S-Video mode
BYPS
1
D7
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