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SED1520 Series
SED1520
Series
Contents
OVERVIEW ..........................................................................................................................................................2-1
FEATURES...........................................................................................................................................................2-1
BLOCK DIAGRAM ................................................................................................................................................2-2
PACKAGE OUTLINE ............................................................................................................................................2-3
PAD ......................................................................................................................................................................2-4
Pad Arrangement.........................................................................................................................................2-4
PAD ARRANGEMENT .........................................................................................................................................2-5
PIN DESCRIPTION ..............................................................................................................................................2-6
(1) Power Pins .............................................................................................................................................2-6
(2) System Bus Connection Pins .................................................................................................................2-6
(3) LCD Drive Circuit Signals .......................................................................................................................2-7
BLOCK DESCRIPTION ........................................................................................................................................2-8
System Bus..................................................................................................................................................2-8
Display Start Line and Line Count Registers ...............................................................................................2-9
Column Address Counter.............................................................................................................................2-9
Page Register ..............................................................................................................................................2-9
Display Data RAM........................................................................................................................................2-9
Common Timing Generator Circuit ............................................................................................................2-10
Display Data Latch Circuit..........................................................................................................................2-10
LCD Driver Circuit ......................................................................................................................................2-10
Display Timing Generator ..........................................................................................................................2-10
Oscillator Circuit (SED1520*0A Only) ........................................................................................................2-11
Reset Circuit ..............................................................................................................................................2-11
COMMANDS ......................................................................................................................................................2-14
Summary....................................................................................................................................................2-14
Command Description ...............................................................................................................................2-15
SPECIFICATIONS ..............................................................................................................................................2-20
Absolute Maximum Ratings .......................................................................................................................2-20
Electrical Specifications .............................................................................................................................2-20
APPLICATION NOTES.......................................................................................................................................2-26
MPU Interface Configuration......................................................................................................................2-26
LCD Drive Interface Configuration .............................................................................................................2-27
LCD Panel Wiring Example .......................................................................................................................2-29
Package Dimensions .................................................................................................................................2-30