SDA9410-B13 Datasheet, PDF(65/179 Page) Micronas – Display Processor and Scan Rate Converter using Embedded DRAM Technology Units

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SDA9410-B13 Datasheet, PDF (65/179 Pages) Micronas – Display Processor and Scan Rate Converter using Embedded DRAM Technology Units

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SDA9410

Preliminary Data Sheet

Application modes and memory concept

Steps MEM-

ORG-

MEMM

ORG-

MEMS

MEM-

WRM

MEM-

WRS

MEM-

RDS

Operation

changing picture sizes of master and slave by

programming the corresponding decimation

IÂ²C Bus parameters

reducing the width below 512 pixel for the

master picture two fields can be stored

Table 57 Changing the picture sizes to double window format

Starting in SRC mode with a PIP insertion (step 1) at first a field based up conversion

mode must be chosen for both channels, e.g. AABB conversion for interlaced modes and

intrafield interpolation for progressive modes (step 2). Now the capacity for the master

channel can be reduced to 1 field (step 3). The free memory capacity is used to write the

slave data at two address areas in parallel corresponding to SRC-PIP configuration and

SSC configuration. In step 4 the reading of the slave channel data is switched to SSC

configuration. In the last step also the master channel is switched to SSC mode. In this

configuration we can store 1 field of the master channel and 2 fields of the slave channel.

The Joint Line Controller can be activated and joint line free display is possible.

Reducing the size of the master picture and enlarging the slave picture size is performed

in step 6 in table . During this phase we can get problems with joint line free display of

the master picture until the horizontal width is below 512 pixel. Now also the master

channel is enabled to store 2 fields and joint line free display is possible again (step 7).

In this configuration double window display is performed.

During all steps positioning of both pictures is free programmable to enable multiple

variations of the animation.

SSC-Mode, AABB (A+B):

-master picure becomes smaller

-slave picture becomes larger

SRC-PIP Mode, ABAB (A+B)

Figure 28 Completing the operations to a master slave exchange

Micronas

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