Seiko Instruments G1216B1N000 user manual Seiko Instruments Inc

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Seiko Instruments Inc.

Head Office

Components Overseas Marketing & Sales Department

1-8, Nakase, Mihama-ku, Chiba-shi, Chiba 261, Japan

Phone: 043-211-1213 FAX: 043-211-8035

Seiko Instruments U.S.A. Inc.

Electronic Components Division

2990 W. Lomita Blvd., Torrance Calif. 90505, USA Phone: 310-517-7770 FAX: 310- 517-7792

Seiko Instruments GmbH

Siemensstrasse 9b, 63263 Neu-Isenburg, Germany Phone: 49-6102-297-0 FAX: 49-6102-297-222 Seiko Instruments ( H. K. ) Ltd. Sales Division

4-5/F, Wyler Centre 2, 200 Tai Lin Pai Road, Kwai Chung, N.T., Kowloon, Hong Kong Phone: 852-4218611 FAX: 852-4805479

Seiko Instruments Taiwan Inc.

5F-1 No. 99, SEC.2, Chung Shan N. Rd., Taipei 104, Taiwan, R.O.C. Phone: 886-2-563-5001 FAX: 886-2-521-9519

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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 DB3Circuit Configuration CS2 CS1V c, V d, V f CS R/W FRMMSB LSBBusy Page COM3 COM1COM2 COM4Operational Amplifier Bias R2= 9 4 R1= 5 R1 Operating Instructions MPUCS1 CS2 To DB7 450140 Test point RL = 2.4 k = 11 kReset time Rise time 200Function Detailed explanation Display ON/OFF CodeD/I 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