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參數(shù)資料
| 型號： | BT864AKPF |
| 英文描述： | Color Encoder Circuit |
| 中文描述： | 顏色編碼器電路 |
| 文件頁數(shù)： | 54/76頁 |
| 文件大?。?/td> | 1050K |
| 代理商： | BT864AKPF |
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2.0 Internal Registers
Bt864A/865A
2.5 Programming Detail
YCrCb to NTSC/PAL Digital Video Encoder
2-4
Conexant
100138B
2.5 Programming Detail
EWSF1
0 = Disable WSS/CGMS encoding in field 1.
1 = Enable WSS/CGMS encoding in field 1 (line 20).
EWSF2
0 = Disable WSS/CGMS encoding in field 2.
1 = Enable WSS/CGMS encoding in field 2 (line 283).
WSDAT [1:20]
WSS/CGMS data.
SRESET
When set to logical one, this will reset all registers, including itself, to logical zero.
TXHS[10:0]
Relative position of rising edge on the TTXREQ pin.
TXHE[10:0]
Relative position of falling edge on the TTXREQ pin.
LUMADLY[1:0]
This 2-bit value can be used to program the luminance delay on the CVBS/B output.
TXRM
0 = REQUEST mode, TTXREQ pin outputs request.
1 = CLOCK mode, TTXREQ pin outputs teletext clock.
TXE
0 = Disable teletext.
1 = Enable teletext.
TXBF1[8:0]
First line of teletext, field one; TXBF1 + 1 = Std. PAL line number.
TXEF1[8:0]
Last line of teletext, field one; TXEF1= Std. PAL line number.
TXBF2[8:0]
First line of teletext, field two; TXBF2 + 313 = Std. PAL line number.
TXEF2[8:0]
Last line of teletext, field two; TXEF2 + 312 = Std. PAL line number.
ECCF2
0 = Disable closed-caption encoding on field 2.
1 = Enable closed-caption encoding on field 2.
ECCF1
0 = Disable closed-caption encoding on field 1.
1 = Enable closed-caption encoding on field 1.
ECCGATE
0 = Normal closed-caption encoding.
1 = Enable closed-caption encoding constraints. After encoding, future encoding is disabled until a complete
pair of new data bytes is received. This prevents encoding of redundant or incomplete data.
DACOFF
0 = Normal operation.
1 = Disable DAC output current and internal voltage reference. This will limit power consumption to just the
digital circuits.
The DACOFF bit is forced high after power-up until either 8 fields have been output or register 0x67 (0xCE in
8-bit subaddress) has been written.
YC16
0 = 8-bit mode: YCrCb data is input on P[7:0] as 8-bit multiplexed video.
1 = 16-bit mode: YCrCb data is input on P[7:0] and Y[7:0], where multiplexed CrCb is input on P[7:0].
D7
D6
Function
0
0
No delay
0
1
1 pixel clock delay
1
0
2 pixel clock delay
1
1
3 pixel clock delay
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| BT8920EPJ | Analog-to-Digital Converter， 16-Bit |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| BT864AKRF | 制造商:CONEXANT 制造商全稱:CONEXANT 功能描述:YCrCb to NTSC/PAL Digital Video Encoder |
| BT864KPF | 制造商:BT 功能描述:COLOR SIGNAL ENCODER, PQFP52 |
| BT864KPF-ES1 | 制造商:BT 功能描述:864KPF-ES1 |
| BT865A | 制造商:CONEXANT 制造商全稱:CONEXANT 功能描述:High Performance YCrCb to NTSC/PAL Digital Video Encoders |
| BT865AKPF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Color Encoder Circuit |
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