參數(shù)資料
型號: BT865AKPF
英文描述: Color Encoder Circuit
中文描述: 顏色編碼器電路
文件頁數(shù): 42/76頁
文件大?。?/td> 1050K
代理商: BT865AKPF
1.0 Circuit Description
Bt864A/865A
1.15 Analog Outputs
YCrCb to NTSC/PAL Digital Video Encoder
1-32
Conexant
100138B
1.15.1 Luminance or CVBS (Y/CVBS) Output
Digital luminance information drives the 10-bit D/A converter that generates the
analog Y video output (
Figures 1-22
and
1-23
and
Tables 1-8
and
1-9
). This DAC
can also provide CVBS for SCART/PeriTV synchronization when RGBOUT is
enabled.
1.15.2 Chrominance or Red (C/R) Output
Digital chrominance information drives the 10-bit D/A converter that generates
the analog C video output (
Figures 1-24
and
1-25
and
Tables 1-10
and
1-11
). This
DAC can also provide Red for SCART/PeriTV when RGBOUT is enabled.
1.15.3 Composite Video or Blue (CVBS/B) Output
Digital composite video information drives the 10-bit D/A converter that
generates the analog NTSC or PAL video output (
Figures 1-26
and
1-27
and
Tables 1-12
and
1-13
). This DAC can also provide Blue for SCART/PeriTV when
RGBOUT is enabled. An optional luminance delay can be enabled on this pin (in
standard mode only) by setting the LUMADLY bits. The luma can be delayed 0 to
3 pixels (up to 200
245 ns) to compensate for group delays introduced in the
chroma path by external filters or vestigial sideband processing.
1.15.4 Composite Video or Green (CVBS/G) Output
Digital composite video information drives the 10-bit D/A converter that
generates the analog video output (
Table 1-14
). This DAC can also provide Green
for SCART/PeriTV when RGBOUT mode is enabled.
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