參數(shù)資料
型號: SAF7129AH
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Digital video encoder
文件頁數(shù): 26/56頁
文件大?。?/td> 259K
代理商: SAF7129AH
2004 Mar 16
26
Philips Semiconductors
Product specification
Digital video encoder
SAF7129AH
Table 39
BLNNL values
Notes
1.
2.
3.
All IRE values are rounded up.
Output black level/IRE = BLNNL
×
2/6.29 + 25.4.
Output black level/IRE = BLNNL
×
2/6.18 + 25.9; default after reset: 35H.
Table 40
Subaddress 5FH
Table 41
Selection of cross-colour reduction filter
CONDITIONS
(1)
ENCODING
(1)
white-to-sync = 140 IRE; note 2 recommended value: BLNNL = 46 (2EH)
BLNNL = 0; note 2
output blanking level = 25 IRE
BLNNL = 63 (3FH); note 2
output blanking level = 45 IRE
white-to-sync = 143 IRE; note 3 recommended value: BLNNL = 53 (35H)
BLNNL = 0; note 3
output blanking level = 26 IRE
BLNNL = 63 (3FH); note 3
output blanking level = 46 IRE
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
CCRS1
CCRS0
BLNVB5
BLNVB4
BLNVB3
BLNVB2
BLNVB1
BLNVB0
These 2 bits select the cross-colour reduction filter in luminance; see Table 41
and Fig.10.
These 6 bits select the variable blanking level during vertical blanking interval is
typically identical to value of BLNNL.
CCRS1
CCRS0
DESCRIPTION
0
0
1
1
0
1
0
1
no cross-colour reduction
cross-colour reduction #1 active
cross-colour reduction #2 active
cross-colour reduction #3 active
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