參數(shù)資料
型號: SDA9589X
廠商: Electronic Theatre Controls, Inc.
英文描述: PIP IV Advanced SOPHISTICUS High-End Picture-In-Picture ICs
中文描述: 畫中畫四先進(jìn)SOPHISTICUS高端畫中畫,圖像芯片
文件頁數(shù): 21/102頁
文件大?。?/td> 2306K
代理商: SDA9589X
Micronas
4-21
SDA 9489X
SDA 9589X
System Description
Preliminary Data Sheet
The D1.5 mode is suited for displaying split screen on 16:9 tubes keeping the aspect
ratio. The DW1 format covers the full height of the screen.
4.6.6
There is a great variety of multi-pip modes available. Up to 11 different still pictures and
one moving picture can be shown. This is useful to give an overview over broadcasted
programmes (e.g. tuner-scan) or for supervising purposes. For multi-PiP modes only
three fixed picture sizes are available (1/9, 1/16 or 1/36). The picture size and
arrangement depends on the display mode (
DISPMOD
) and not on
SIZEHOR
or
SIZEVER
. Variable scaling is thus not possible in these modes. Because of limited
memory capacity, the number of frozen multi-pictures is limited dependent on picture
size to the number shown in the table below:
Multi-PiP Mode
Table 4-10
Maximum number of pictures in multi-PIP mode
The partial picture that is written is addressed via
WRPOS
. With
INFRM
, a frame for
separation of every PiP can be selected. This is adjustable to single or dual PIP mode
(
INFRMOD
). The current updated picture can be highlighted with
PIPHLT
. To avoid
garbage pictures after switching from one mode to another the selected picture can be
blanked with
PIPBLK
.
MPIPBG
defines wether the picture will be blanked with black or
with the adjusted background color.
For compatibility reasons to other devices, the
DISPMOD
register is split into two
segments. If a display mode is chosen that is not implemented, the PIP insertion is
switched off automatically (
PIPON
= ’0’). The sizes of the partial pictures correspond to
the sizes of the inset pictures of the single PIP modes.
picture sizes
maximum number of pictures
(including one live picture)
1/9
3
1/16
6
1/36
12
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