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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
