LC7982A Datasheet, PDF (6/18 Pages) Sanyo Semicon Device – LCD Dot Matrix Graphics Display Controller

Pin Assignment
LC7982A
Block Diagram
Top view
DB0 to DB7
Data
input
register
Dot counter
Dot register
Refresh address
counter (1)
Refresh address
counter (2)
Cursor address
counter
Busy
flag
Data
output
register
Mode
control
Instruction
register ^Control
signal
register _Control
signal
Line address
counter
Cursor signal
generator
Oscillator
circuit
Character
generator
ROM
Multiplexer
Parallel to series
converter
Parallel to series
converter
MD0 to MD7
Expansion
ROM
RD0 to RD7
• When expansion ROM is used, MA0 to MA11 are used as the RAM address and MA12 to MA15 are used as the
expansion ROM address.
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