SDA9189X Datasheet, PDF (13/55 Pages) Siemens Semiconductor Group – Quarter PIP Processor

SDA 9189X
2
System Description
2.1 Display Modes
8 single- and 10 multi-PIP display modes are available. Decimation, memory controlling,
framing and on-screen display insertion depend on the selected display mode
(PIPMOD).
In the multi-PIP modes the complete inset picture can contain up to 9 partial pictures
(see diagrams below). One of the partial pictures shows a moving picture, whereas the
others show still pictures. The partial picture that has to be written is addressed via
I²C Bus. The addresses (WRPOS) for the individual pictures are shown in the diagrams.
The same addresses serve to choose the position of the moving picture. The multi-PIP
modes allow tuner scanning.
Four display modes are provided for applications with 16:9 inset signals or displays
(see table 1). The single-PIP display modes 15 and 18 can be used to display 4:3 inset
signals on 16:9 displays. To show 16:9 inset signals on 4:3 displays the single-PIP
display modes 16 and 19 have been added. By means of multi-PIP display mode 17
a POP picture on a 16:9 display can be created.
If a display mode is chosen that is not realized (modes 9, 12, and 20 to 31), the
PIP insertion is switched off automatically (PIPON = ‘0’).
Table 1
Display Mode (PIPMOD)
0
(00000)
1
(00001)
2
(00010)
3
(00011)
4
(00100)
5
(00101)
6
(00110)
7
(00111)
8
(01000)
9
(01001)
10 (01010)
11 (01011)
12 (01100)
13 (01101)
Picture Size, Picture Configuration
1 × 1/4
1 × 1/9
1 × 1/16
1 × 1/36
4 × 1/16, 2 rows of 2 pictures
4 × 1/16, side by side
4 × 1/16, one upon another
9 × 1/36, 3 rows of 3 pictures
2 × 1/9, side by side
Not realized (PIPON = ‘0’)
8 × 1/36, 2 rows of 4 pictures
2 × 1/9, one upon another
Not realized (PIPON = ‘0’)
8 × 1/36, 2 columns of 4 pictures one upon another
Semiconductor Group
13
03.96