參數(shù)資料
型號(hào)： SAA7105H
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(yè)數(shù)： 34/71頁(yè)
文件大?。?/td> 354K
代理商： SAA7105H
2004 Mar 04
34
Philips Semiconductors
Product specification
Digital video encoder
SAA7104H; SAA7105H
Table 39
Subaddress 5AH; note 1
Note
1.
The default after reset is 00H.
Table 40
Subaddresses 5BH and 5DH
Table 41
Subaddresses 5CH and 5EH
Table 42
Subaddress 5DH
Notes
1.
2.
Output black level/IRE = BLCKL
×
2/6.29 + 28.9.
Output black level/IRE = BLCKL
×
2/6.18 + 26.5.
DATA BYTE
DESCRIPTION
VALUE
RESULT
CHPS
phase of encoded colour subcarrier
(including burst) relative to horizontal
sync; can be adjusted in steps of
360/256 degrees
6BH
16H
25H
46H
PAL B/G and data from input ports in master mode
PAL B/G and data from look-up table
NTSC M and data from input ports in master mode
NTSC M and data from look-up table
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINU
variable gain for
C
B
signal; input
representation in
accordance with
“ITU-R BT.601”
white-to-black = 92.5 IRE
GAINU = 0
GAINU = 118 (76H)
white-to-black = 100 IRE
GAINU = 0
GAINU = 125 (7DH)
GAINU =
2.17
×
nominal to +2.16
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU =
2.05
×
nominal to +2.04
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINV
variable gain for
C
R
signal; input
representation in
accordance with
“ITU-R BT.601”
white-to-black = 92.5 IRE
GAINV = 0
GAINV = 165 (A5H)
white-to-black = 100 IRE
GAINV = 0
GAINV = 175 (AFH)
GAINV =
1.55
×
nominal to +1.55
×
nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
GAINV =
1.46
×
nominal to +1.46
×
nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLCKL
variable black level;
input representation
in accordance with
“ITU-R BT.601”
white-to-sync = 140 IRE;
note 1
BLCKL = 0; note 1
BLCKL = 63 (3FH); note 1 output black level = 49 IRE
white-to-sync = 143 IRE;
note 2
BLCKL = 0; note 2
BLCKL = 63 (3FH); note 2 output black level = 47 IRE
recommended value: BLCKL = 58 (3AH)
output black level = 29 IRE
recommended value: BLCKL = 51 (33H)
output black level = 27 IRE
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PDF描述
SAA7105H Digital video encoder
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SAA7105HBG 功能描述:視頻 IC PC GRAPHICS 85MHZ ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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