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SAA7113H pdf datasheet
消耗积分:5 |
格式:rar |
大小:666 |
2008-08-27
李明
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The 9-bit video input processor is a combination of a two-channel analog preprocessing
circuit including source selection, anti-aliasing filter and ADC, an automatic clamp and
gain control, a Clock Generation Circuit (CGC), a digital multistandard decoder
(PAL BGHI, PAL M, PAL N, combination PAL N, NTSC M, NTSC-Japan, NTSC N and
SECAM), a brightness, contrast and saturation control circuit, a multistandard VBI data
slicer and a 27 MHz VBI data bypass.
The pure 3.3 V CMOS circuit SAA7113H, analog front-end and digital video decoder, is a
highly integrated circuit for desktop video applications. The decoder is based on the
principle of line-locked clock decoding and is able to decode the color of PAL, SECAM and
NTSC signals into ITU-R BT 601 compatible color component values. The SAA7113H
accepts as analog inputs CVBS or S-video (Y/C) from TV or VTR sources. The circuit is
I2C-bus controlled.
The integrated high performance multistandard data slicer supports several VBI data
standards:
• Teletext 625 lines: WST (World Standard Teletext) and CCST (Chinese teletext)
• Teletext 525 lines: US-WST, NABTS (North-American Broadcast Text System) and
MOJI (Japanese teletext)
• Closed caption: Europe and US (line 21)
• Wide Screen Signalling (WSS)
• Video Programming Signal (VPS)
• Time codes (VITC EBU/SMPTE)
• High-speed VBI data bypass for Intercast application.
circuit including source selection, anti-aliasing filter and ADC, an automatic clamp and
gain control, a Clock Generation Circuit (CGC), a digital multistandard decoder
(PAL BGHI, PAL M, PAL N, combination PAL N, NTSC M, NTSC-Japan, NTSC N and
SECAM), a brightness, contrast and saturation control circuit, a multistandard VBI data
slicer and a 27 MHz VBI data bypass.
The pure 3.3 V CMOS circuit SAA7113H, analog front-end and digital video decoder, is a
highly integrated circuit for desktop video applications. The decoder is based on the
principle of line-locked clock decoding and is able to decode the color of PAL, SECAM and
NTSC signals into ITU-R BT 601 compatible color component values. The SAA7113H
accepts as analog inputs CVBS or S-video (Y/C) from TV or VTR sources. The circuit is
I2C-bus controlled.
The integrated high performance multistandard data slicer supports several VBI data
standards:
• Teletext 625 lines: WST (World Standard Teletext) and CCST (Chinese teletext)
• Teletext 525 lines: US-WST, NABTS (North-American Broadcast Text System) and
MOJI (Japanese teletext)
• Closed caption: Europe and US (line 21)
• Wide Screen Signalling (WSS)
• Video Programming Signal (VPS)
• Time codes (VITC EBU/SMPTE)
• High-speed VBI data bypass for Intercast application.
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