Seiko Instruments G1216B1N000-3D0E user manual Copyright 1993 by Seiko Instruments Inc

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AN.No.G1216B1N000-3D0E

This manual provides technical information covering functions and operational instructions for the G1216 liquid crystal display modules made by Seiko Instruments Inc. Please read through this manual before operating the product. Distribution of this manual to third parties for any purpose other than operation of the product is prohibited. The descriptions herein are subject to change without prior notice.

	Revision Record
Version	Revision	Date
1	Original	December 1993

Copyright 1993 by Seiko Instruments Inc.

Printed in Japan

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Contents USER’S Manual AN.No.G1216B1N000-3D0ECopyright 1993 by Seiko Instruments Inc Contents General Power supply voltage +80 Temperature StorageSymbol Conditions Min Typ Max Unit Input High Voltage∅ = 25 C Vopr=13.0 Contrast Min Typ Max Unit Remark25 C Vopr=13.0 Viewing angle 25 C Vopr=13.0AN.No.G1216B1N000-3D0E Definition of response time −20 To +70 Storage temp. rangeChips=20 LedaNumber of LED LedcDB2 DB0DB1 DB3V c, V d, V f Circuit ConfigurationCS2 CS1 CS R/W FRMMSB LSBBusy Page COM3 COM1COM2 COM4Operational Amplifier Bias R2= 9 4 R1= 5 R1 CS1 CS2 Operating InstructionsMPU To DB7 450140 Test point RL = 2.4 k = 11 kReset time Rise time 200D/I FunctionDetailed explanation Display ON/OFF Code Display start line=0 Display start line=1 AN.No.G1216B1N000-3D0E Display start line CodeDB7 DB0 Display start line =2 Display start line=3Display Data RAM Address Configuration AN.No.G1216B1N000-3D0E Address page set CodeReset =1.2 k Ω Voltage V opr 13.5 13.0 12.5 11.5 10.5=10 k Ω Variable resistor=Allowable LED forward current a =Input voltage power voltageV=LED forward voltage Leda LedcD0 to D7 A0 to A7 DB0 to DB7 A0 to A15 Decoder MPU Connection DiagramZ80 PIO Iorq RST CS1Precautions 9, 11, 12, 17, 18, 19 11, 12, 1710, 16, 17 LC drive voltageSeiko Instruments Inc

Copyright￿ 1993 by Seiko Instruments Inc.

Copyright 1993 by Seiko Instruments Inc.