參數(shù)資料
型號(hào)： 935262318518
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： PLASTIC, QFP-44
文件頁(yè)數(shù)： 7/43頁(yè)
文件大?。?/td> 193K
代理商： 935262318518
1999 May 31
15
Philips Semiconductors
Product specication
Digital video encoder
SAA7126H; SAA7127H
Table 14 Subaddresses 55H to 59H
Table 15 Subaddress 5AH
Table 16 Subaddresses 5BH and 5DH
Table 17 Subaddresses 5CH and 5EH
DATA BYTE
DESCRIPTION
REMARKS
VPS5
fth byte of video programming system data
LSBs of the respective bytes are encoded
immediately after run-in and framing code in
line 16; all other bytes are not relevant for
VPS
VPS11
eleventh byte of video programming system data
VPS12
twelfth byte of video programming system data
VPS13
thirteenth byte of video programming system data
VPS14
fourteenth byte of video programming system data
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
PAL-B/G and data from input ports
95H
PAL-B/G and data from look-up table
A3H
NTSC-M and data from input ports
46H
NTSC-M and data from look-up table
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINU
variable gain for
Cb signal; input
representation in
accordance with
“CCIR 601”
white-to-black = 92.5 IRE
GAINU =
2.17 × nominal to +2.16 × nominal
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 118 (76H)
output subcarrier of U contribution = nominal
white-to-black = 100 IRE
GAINU =
2.05 × nominal to +2.04 × nominal
GAINU = 0
output subcarrier of U contribution = 0
GAINU = 125 (7DH)
output subcarrier of U contribution = nominal
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
GAINV
variable gain for
Cr signal; input
representation in
accordance with
“CCIR 601”
white-to-black = 92.5 IRE
GAINV =
1.55 × nominal to +1.55 × nominal
GAINV = 0
output subcarrier of V contribution = 0
GAINV = 165 (A5H)
output subcarrier of V contribution = nominal
white-to-black = 100 IRE
GAINV =
1.46 × nominal to +1.46 × nominal
GAINV = 0
output subcarrier of V contribution = 0
GAINV = 175 (AFH)
output subcarrier of V contribution = nominal
相關(guān)PDF資料
PDF描述
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