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參數(shù)資料
| 型號： | 935264425557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數(shù)： | 15/35頁 |
| 文件大小： | 261K |
| 代理商： | 935264425557 |
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1997 Jan 06
22
Philips Semiconductors
Preliminary specication
Digital Video Encoder (ConDENC)
SAA7120; SAA7121
Table 40 Subaddress 7E and 7F
Slave Transmitter
Table 41 Slave transmitter (slave address 89H or 8DH)
Table 42 No subaddress
DATA BYTE
DESCRIPTION
LINE
individual lines in both elds (PAL counting) can be disabled for insertion of teletext by the respective
bits, disabled line = LINExx (50 Hz eld rate)
this bit mask is effective only, if the lines are enabled by TTXOVS/TTXOVE and TTXEVS/TTXEVE
REGISTER
FUNCTION
SUBADDRESS
DATA BYTE
D7
D6
D5
D4
D3
D2
D1
D0
Status byte
VER2
VER1
VER0
CCRDO
CCRDE
0
FSEQ
O_E
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
VER
Version identication of the device. It will be changed with all versions of the device that
have different programming models. Current version is 000 binary.
CCRDO
1
Closed caption bytes of the odd eld have been encoded.
0
The bit is reset after information has been written to the subaddresses 67 and 68. It is set
immediately after the data has been encoded.
CCRDE
1
Closed caption bytes of the even eld have been encoded.
0
The bit is reset after information has been written to the subaddresses 69 and 6A. It is set
immediately after the data has been encoded.
FSEQ
1
During rst eld of a sequence (repetition rate: NTSC = 4 elds, PAL = 8 elds).
0
Not rst eld of a sequence.
O_E
1
During even eld.
0
During odd eld.
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