參數資料
型號： SAA7120H
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號轉換
英文描述： Digital video encoder
中文描述： COLOR SIGNAL ENCODER, PQFP44
封裝： 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數： 19/36頁
文件大小： 165K
代理商： SAA7120H
2002 Oct 11
19
Philips Semiconductors
Product specification
Digital video encoder
SAA7120H; SAA7121H
Table 29
Logic levels and function of FLC
Table 30
Subaddress 6FH
Table 31
Logic levels and function of CCEN
Table 32
Subaddresses 70H to 72H
Table 33
Subaddresses 73H and 74H
DATA BYTE
DESCRIPTION
FLC1
FLC0
0
0
1
1
0
1
0
1
interlaced 312.5 lines/field at 50 Hz, 262.5 lines/field at 60 Hz; default after reset
non-interlaced 312 lines/field at 50 Hz, 262 lines/field at 60 Hz
non-interlaced 313 lines/field at 50 Hz, 263 lines/field at 60 Hz
non-interlaced 313 lines/field at 50 Hz, 263 lines/field at 60 Hz
DATA BYTE
LOGIC
LEVEL
0
1
DESCRIPTION
CCEN
TTXEN
enables individual line 21 encoding; see Table 31
disables teletext insertion; default after reset
enables teletext insertion
selects the actual line, where closed caption or extended data are encoded;
line = (SCCLN + 4) for M-systems; line = (SCCLN + 1) for other systems
SCCLN
DATA BYTE
DESCRIPTION
CCEN1
CCEN0
0
0
1
1
0
1
0
1
line 21 encoding off; default after reset
enables encoding in field 1 (odd)
enables encoding in field 2 (even)
enables encoding in both fields
DATA BYTE
DESCRIPTION
RCV2S
start of output signal on pin RCV2
values above 1715 (FISE = 1) or 1727 (FISE = 0) are not allowed; first active pixel at analog outputs
(corresponding input pixel coinciding with RCV2) at RCV2S = 11AH (0FDH)
end of output signal on pin RCV2
values above 1715 (FISE = 1) or 1727 (FISE = 0) are not allowed; last active pixel at analog outputs
(corresponding input pixel coinciding with RCV2) at RCV2E = 694H (687H)
RCV2E
DATA BYTE
DESCRIPTION
REMARKS
TTXHS
start of signal on pin TTXRQ; see Fig.10
PAL: TTXHS = 42H
NTSC: TTXHS = 54H
minimum value: TTXHD = 2
TTXHD
indicates the delay in clock cycles between rising edge of
TTXRQ output and valid data at pin TTX
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相關代理商/技術參數
參數描述
SAA7120H-01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder (ConDENC)
SAA7121 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder (ConDENC)
SAA7121H 制造商:NXP Semiconductors 功能描述:
SAA7121H/V2 制造商:NXP Semiconductors 功能描述:
SAA7121H/V2,518 功能描述:視頻 IC SAA7121H/QFP44/REEL13DP//V2 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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