Seiko Instruments user manual USER’S Manual, AN.No.G1216B1N000-3D0E

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AN.No.G1216B1N000-3D0E

LIQUID CRYSTAL DISPLAY MODULE

G 1 2 1 6 B 1 N 0 0 0

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Contents AN.No.G1216B1N000-3D0E USER’S ManualCopyright 1993 by Seiko Instruments Inc Contents General Symbol Conditions Min Typ Max Unit Input High +80 Temperature StoragePower supply voltage Voltage25 C Vopr=13.0 Viewing angle Min Typ Max Unit Remark∅ = 25 C Vopr=13.0 Contrast 25 C Vopr=13.0−20 To +70 Storage temp. range AN.No.G1216B1N000-3D0E Definition of response timeNumber of LED LedaChips=20 LedcDB1 DB0DB2 DB3CS2 CS1 Circuit ConfigurationV c, V d, V f FRM CS R/WLSB MSBBusy Page COM2 COM1COM3 COM4Operational Amplifier Bias R2= 9 4 R1= 5 R1 MPU Operating InstructionsCS1 CS2 140 450To DB7 Test point RL = 2.4 k = 11 kRise time 200 Reset timeDetailed explanation Display ON/OFF Code FunctionD/I DB7 DB0 AN.No.G1216B1N000-3D0E Display start line CodeDisplay start line=0 Display start line=1 Display start line =2 Display start line=3AN.No.G1216B1N000-3D0E Address page set Code Display Data RAM Address ConfigurationReset =10 k Ω Voltage V opr 13.5 13.0 12.5 11.5 10.5=1.2 k Ω Variable resistor=LED forward voltage =Input voltage power voltageV=Allowable LED forward current a Leda LedcZ80 PIO MPU Connection DiagramD0 to D7 A0 to A7 DB0 to DB7 A0 to A15 Decoder Iorq RST CS1Precautions 11, 12, 17 9, 11, 12, 17, 18, 19LC drive voltage 10, 16, 17Seiko Instruments Inc