參數(shù)資料
型號: SAA7146AHZ
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Circular Connector; No. of Contacts:66; Series:MS27472; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:18; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:18-35 RoHS Compliant: No
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: PLASTIC, SOT-316, SQFP-208
文件頁數(shù): 61/144頁
文件大?。?/td> 645K
代理商: SAA7146AHZ
1998 Apr 09
61
Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 53
Field interval definitions for D1 (CCIR 656) SAV and EAV codes; note 1
Note
1.
Signals F and V change state synchronously with the end of active video timing reference code at the beginning of
the digital line.
7.8.6.1
Field detection control
Field detection modes:
Direct mode: FLD signal detected from incoming H/V signals, for timing behaviour see Fig.11.
Forced toggle: FLD signal regularly synchronized to source, but will never stay more than two fields with the same ID.
The circuit expects to detect a field change with every vertical reference edge, if the field does not change (field error),
the circuit change the field ID automatically. If the circuit switch to the wrong sequence i. e. at the beginning of
processing, it will be synchronized after one second where no field error has occurred.
Free toggle: FLD signal toggles with every vertical reference edge, independent of source FID.
DEFINITION
625 LINES
525 LINES
V-digital field blanking
Field 1; start (V = 1)
Field 1; finish (V = 0)
Field 2; start (V = 1)
Field 2; finish (V = 0)
Line 624
Line 23
Line 311
Line 336
Line 1
Line 10
Line 264
Line 273
F-digital field identification
Field 1; F = 0
Field 2; F = 1
Line 1
Line 313
Line 4
Line 266
Fig.12 Timing of field detection EVEN-to-ODD for direct mode.
handbook, full pagewidth
VS
MHB053
HS
V-DMSD
LLC
FLD-DMSD
FLD
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