參數(shù)資料
型號: SAA7184
廠商: NXP Semiconductors N.V.
英文描述: Digital Video Encoders DENC2-M6
中文描述: 數(shù)字視頻編碼器DENC2 - M6的
文件頁數(shù): 15/36頁
文件大?。?/td> 180K
代理商: SAA7184
1996 Jul 03
15
Philips Semiconductors
Preliminary specification
Digital Video Encoders (DENC2-M6)
SAA7184; SAA7185B
Table 11
Subaddress 5C and 5E
Notes
1.
2.
GAINV =
1.55
×
nominal to + 0.55
×
nominal.
GAINV =
1.46
×
nominal to + 0.46
×
nominal.
Table 12
Subaddress 5D
Notes
1.
2.
Output black level/IRE = BLCKL
×
25/63 + 24; recommended value: BLCKL = 60 (3CH) normal.
Output black level/IRE = BLCKL
×
26/63 + 24; recommended value: BLCKL = 45 (2DH) normal.
Table 13
Subaddress 5E
Notes
1.
2.
Output black level/IRE = BLNNL
×
25/63 + 17; recommended value: BLNNL = 58 (3AH) normal.
Output black level/IRE = BLNNL
×
26/63 + 17; recommended value: BLNNL = 63 (3FH) normal.
DATA BYTE
DESCRIPTION
CONDITIONS
white-to-black = 92.5 IRE
(1)
GAINV = 0
GAINV = 165 (A5H)
white-to-black = 100 IRE
(2)
GAINV = 0
GAINV = 175 (AFH)
REMARKS
GAINV
variable gain for Cr signal;
input representation in
accordance with
“CCIR 601”
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
DATA BYTE
DESCRIPTION
CONDITIONS
white-to-sync = 140 IRE
(1)
BLCKL = 0
BLCKL = 63 (3FH)
white-to-sync = 143 IRE
(2)
BLCKL = 0
BLCKL = 63 (3FH)
REMARKS
BLCKL
variable black level; input
representation in
accordance with
“CCIR 601”
output black level = 24 IRE
output black level = 49 IRE
output black level = 24 IRE
output black level = 50 IRE
DATA BYTE
DESCRIPTION
CONDITIONS
white-to-sync = 140 IRE
(1)
BLNNL = 0
BLNNL = 63 (3FH)
white-to-sync = 143 IRE
(2)
BLNNL = 0
BLNNL = 63 (3FH)
REMARKS
BLNNL
variable blanking level
output blanking level = 17 IRE
output blanking level = 42 IRE
output blanking level = 17 IRE
output blanking level = 43 IRE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7184WP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoders DENC2-M6
SAA7185 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2
SAA7185B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoders DENC2-M6
SAA7185BWP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoders DENC2-M6
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