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參數(shù)資料
| 型號： | SAA7127 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital video encoder |
| 中文描述： | 數(shù)字視頻編碼器 |
| 文件頁數(shù)： | 12/40頁 |
| 文件大?。?/td> | 155K |
| 代理商： | SAA7127 |
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1999 May 31
12
Philips Semiconductors
Product specification
Digital video encoder
SAA7126H; SAA7127H
I
2
C-bus format
Table 4
I
2
C-bus address; see Table 5
Table 5
Explanation of Table 4
Notes
1.
2.
X is the read/write control bit; X = logic 0 is order to write; X = logic 1 is order to read.
If more than 1 byte of DATA is transmitted, then auto-increment of the subaddress is performed.
Slave receiver
Table 6
Subaddresses 26H and 27H
Table 7
Subaddress 28H
S
SLAVE ADDRESS
ACK
SUBADDRESS
ACK
DATA 0
ACK
--------
DATA n
ACK
P
PART
DESCRIPTION
S
Slave address
ACK
Subaddress; note 2
DATA
--------
P
START condition
1 0 0 0 1 0 0 X or 1 0 0 0 1 1 0 X; note 1
acknowledge, generated by the slave
subaddress byte
data byte
continued data bytes and ACKs
STOP condition
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
WSS
wide screen signalling bits
3 to 0 = aspect ratio
7 to 4 = enhanced services
10 to 8 = subtitles
13 to 11 = reserved
wide screen signalling output is disabled; default after reset
wide screen signalling output is enabled
WSSON
0
1
DATA BYTE
LOGIC
LEVEL
DESCRIPTION
REMARKS
BS
starting point of burst in clock cycles
PAL: BS = 33 (21H); default after reset
NTSC: BS = 25 (19H)
DECCOL
0
1
0
1
disable colour detection bit of RTCI input
enable colour detection bit of RTCI input
field sequence as FISE in subaddress 61
field sequence as FISE bit in RTCI input
bit RTCE must be set to logic 1 (see Fig.13)
DECFIS
bit RTCE must be set to logic 1 (see Fig.13)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA7127H | Digital video encoder |
| SAA7128A | Digital video encoder |
| SAA7128AH | Digital video encoder |
| SAA7129AH | Digital video encoder |
| SAA7129AH | Digital video encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7127H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7128 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7128A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7128AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7128H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
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