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SDA9410-B13 Datasheet(PDF) 66 Page - Micronas

Part No. SDA9410-B13
Description  Display Processor and Scan Rate Converter using Embedded DRAM Technology Units
Download  179 Pages
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Maker  MICRONAS [Micronas]
Homepage  http://www.micronas.com
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SDA9410-B13 Datasheet(HTML) 66 Page - Micronas

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SDA9410
Preliminary Data Sheet
Application modes and memory concept
66
Micronas
Starting with the double window configuration (figure 27 on page 64) the procedure is
continued with an animation to perform an exchange of the master and slave sources to
get a display like it is shown in figure 28 on page 65.
In step 8 the picture size of the master channel is decreased and the size of the slave
picture is increased continuously. When the width of the slave picture exceeds 512 pixel
only one field can be stored (step 9). Joint line free display of the slave channel is not
always possible in this configuration. When full size slave picture format and 1/9 master
picture size is reached (step 10) an exchange of master and slave channel is possible.
Unstable picture phases can be avoided when the display raster phase is adapted to the
slave channel before the hardware exchange of both sources is done. For display phase
raster shifting see "Master slave switch" on page 68.
Now we can activate the SRC mode again. At first we just change the mode maintaining
the field based conversions (step 12). Then the slave data configuration of the memory
is changed to SRC configuration (step 13) and at last the master channel memory
capacity is enlarged to 2 fields (step 14) and frame based up conversion modes are
enabled (step 15).
Steps MEM-
OP
ORG-
MEMM
ORG-
MEMS
MEM-
WRM
MEM-
WRS
MEM-
RDS
Operation
8
01
1
1
0
0
X
changing picture sizes of master and slave by
programming the corresponding decimation I²C
Bus parameters
9
01
1
0
0
1
X
exceeding a width of 512 pixel for the slave
picture only one field can be stored
10
01
1
0
0
1
X
further changes of picture sizes until full size
slave picture and 1/9 size master picture is
displayed
11
01
0
1
1
0
X
switching synchronization to slave channel and
exchanging the inputs
12
00
0
1
011switching to SRC mode using still field based up
conversion
13
00
0
1
010slave channel reading is switched to SRC
memory configuration
14
00
1
1
000also the master channel works frame based
15
00
1
1
000programming STOPMOM and STOPMOS to
frame based up conversion
Table 58
Performing a master slave exchange


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