bt865a Conexant Systems, Inc., bt865a Datasheet - Page 53
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bt865a
Manufacturer Part Number
bt865a
Description
Ycrcb To Ntsc/pal Digital Video Encoder
Manufacturer
Conexant Systems, Inc.
Datasheet
1.BT865A.pdf
(71 pages)
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Bt864A/Bt865A Data Sheet
100138C
02/17/03
NONINTL
SQUARE
ESTATUS
RGBO
DCHROMA
ECBAR
SCRESET
EVBI
EACTIVE
ECLIP
PAL-N
0 = Interlaced operation.
1 = Noninterlaced operation.
0 = CCIR601 operation.
1 = Square pixel operation.
0 = The I2C read-back information contains the version number.
1 = The I2C read-back information contains closed-captioning status and field number.
0 = Normal operation.
1 = Enable RGB outputs.
The RGBOUT pin is logically ORed with the RGBO register bit.
0 = Normal operation.
1 = Blank chroma.
0 = Normal operation.
1 = Enable color bars.
0 = Normal operation. The subcarrier phase is reset to zero at the beginning of each color field
1 = Disable subcarrier reset event at beginning of field sequence.
0 = Video is blanked during the vertical blanking interval.
1 = Enable active video during vertical blanking interval. Setup is added during VBI, if SETUPDIS = 0,
0 = Black burst (only if ECBAR = 0).
1 = Enable normal video.
0 = Normal operation.
1 = Enable clipping; DAC values less than 63 are made 63. This limit corresponds to roughly one-fourth
0 = PAL-BDGHI operation when VIDFORM[3:0] set appropriately.
1 = PAL-N operation when VIDFORM[3:0] set appropriately.
sequence.
and scaling of YCrCb pixels is always based on 100% blank to white, i.e., normal PAL input scaling.
of the sync height.
Conexant
Internal Registers
2-5