Specifications

I-52 EPSON S1C62N82 TECHNICAL HARDWARE
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
CSDC
Display memory
LCD drive switch (0FBH D3)
The LCD drive format can be selected with this switch.
When 1 is written: Static drive
When 0 is written: Dynamic drive
Reading: Valid
After an initial reset, dynamic drive (CSDC = 0) is selected.
(090H–0DFH)
The LCD segments are turned on or off according to this
data.
When 1 is written: On
When 0 is written: Off
Reading: Valid
By writing data into the display memory allocated to the
LCD segment (on the panel), the segment can be turned on
or off. After an initial reset, the contents of the display
memory are undefined.
The contents of the display memory is indefinite during initial reset
and until the display memory is initialized (i.e., through memory
clearing process from the CPU, etc.), the data of the memory and
the contents of LCD display will not match.
Perform display memory initialization through initializing processes.
Note