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參數資料
| 型號： | 935262318518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數： | 8/43頁 |
| 文件大小： | 193K |
| 代理商： | 935262318518 |
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1999 May 31
16
Philips Semiconductors
Product specication
Digital video encoder
SAA7126H; SAA7127H
Table 18 Subaddress 5DH
Notes
1. Output black level/IRE = BLCKL
× 2/6.29 + 28.9.
2. Output black level/IRE = BLCKL
× 2/6.18 + 26.5.
Table 19 Subaddress 5EH
Notes
1. Output black level/IRE = BLNNL
× 2/6.29 + 25.4.
2. Output black level/IRE = BLNNL
× 2/6.18 + 25.9; default after reset: 35H.
Table 20 Subaddress 5FH
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLCKL
variable black level; input
representation in
accordance with
“CCIR 601”
white-to-sync = 140 IRE;
note 1
recommended value: BLCKL = 58 (3AH)
BLCKL = 0; note 1
output black level = 29 IRE
BLCKL = 63 (3FH); note 1
output black level = 49 IRE
white-to-sync = 143 IRE;
note 2
recommended value: BLCKL = 51 (33H)
BLCKL = 0; note 2
output black level = 27 IRE
BLCKL = 63 (3FH); note 2
output black level = 47 IRE
DECOE
real-time control
logic 0
disable odd/even eld control bit from RTCI
logic 1
enable odd/even eld control bit from RTCI
(see Fig.13)
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BLNNL
variable blanking level
white-to-sync = 140 IRE;
note 1
recommended value: BLNNL = 46 (2EH)
BLNNL = 0; note 1
output blanking level = 25 IRE
BLNNL = 63 (3FH); note 1
output blanking level = 45 IRE
white-to-sync = 143 IRE;
note 2
recommended value: BLNNL = 53 (35H)
BLNNL = 0; note 2
output blanking level = 26 IRE
BLNNL = 63 (3FH); note 2
output blanking level = 46 IRE
DECPH
real-time control
logic 0
disable subcarrier phase reset bit from RTCI
logic 1
enable subcarrier phase reset bit from RTCI
(see Fig.13)
DATA BYTE
DESCRIPTION
BLNVB
variable blanking level during vertical blanking interval is typically identical to value of BLNNL
CCRS
select cross-colour reduction lter in luminance; see Table 21
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