Display Module - Nokia RM-235 Service Manual

RM-235
System module and user interface
Figure 52 I/O expander and keyboard matrix

Display module

Display module
HW51 supports S1D13747 display controller (D2450). S1D13747 controlling is done via LOSSI IF and data is
transferred via VISSI 12 bit IF. The display is connected to display controller shared MESSI 8 bit bus.
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