Seiko G1216 User Manual

AN.No.G1216B1N000-3D0ELIQUID CRYSTAL DISPLAY MODULEG 1 2 1 6 B 1 N 0 0 0USER’S MANUALSeiko Instruments Inc.

AN.No.G1216B1N000-3D0E- 7 -2. CIRCUIT CONFIGURATION2.1 Block DiagramThis product consists of two HD61202 segment drivers, an HD61203 common driver an

AN.No.G1216B1N000-3D0E- 8 -2.2.1 Block Diagram (Segment Driver)Input and Output BufferInstruction RegisterX, Y-AddressCounterZ-AddressCounterDisplay S

AN.No.G1216B1N000-3D0E- 9 -2.2.2 Functions and Operations of Main Blocks(1) Interface Control UnitThe interface control unit consists of the following

AN.No.G1216B1N000-3D0E- 10 -In order to read the content of the output register, the Chip Select must be selected, D/I must be 1,and R/W must be 1. W

AN.No.G1216B1N000-3D0E- 11 -(4) Display start line registerThe display start line register is a register which determines the line address (see Figure

AN.No.G1216B1N000-3D0E- 12 -62 63 641 2 3 4 5COM62COM63COM6400011111101000100010001000100010000111111000010000000001000011111110001 1 1 1 10 0

AN.No.G1216B1N000-3D0E- 13 - Y-address counterThis counter sets the address by instruction and is automatically advanced by the read/writeoperation.

AN.No.G1216B1N000-3D0E- 14 -3. OPERATING INSTRUCTIONS3.1 Terminal Functions8 I/O MPUCommon terminal for tristate input and output, and data bus.Func

AN.No.G1216B1N000-3D0E- 15 -3.2 Timing CharacteristicstftCYCtCYCR / W2.4V0.4VtDDRtDHRtAHtAH 2.0V0.8VtAStAS2.0V0.8VtDHWtDSWtAStAS2.0V 0.8VtAHtAHtr2.0V

AN.No.G1216B1N000-3D0E- 16 -3.3 Reset FunctionSetting the RST terminal to a low level when the power is on allows for initial setup. Display OFF Displ

AN.No.G1216B1N000-3D0E- i -This manual provides technical information covering functions and operationalinstructions for the G1216 liquid crystal disp

AN.No.G1216B1N000-3D0E- 17 -3.4 Instructions3.4.1 GeneralInstructions are listed on Table 2. Instructions other than the Status Read instruction wil

AN.No.G1216B1N000-3D0E- 18 -(2) Display start lineDB0CodeD/I DB71 1 A A A A A AR/W0 0Upper bitsLower bitsSets the display data RAM line address expre

AN.No.G1216B1N000-3D0E- 19 -(3) X-address (page) setDB0CodeD/I DB71 0 1 1 1 A A AR/W0 0Upper bitsLower bitsThe display data RAM “X” address (page) wh

AN.No.G1216B1N000-3D0E- 20 -(5) Status readON/OFFDB0CodeD/I DB7RESET0 0 0 0R/W1 0 0BUSYBUSY: When BUSY=1, it means that the the module is operating i

AN.No.G1216B1N000-3D0E- 21 -3.5 Contrast Adjustment and Power Supply ExampleThe LC panel viewing angle and display screen contrast are greatly affecte

AN.No.G1216B1N000-3D0E- 22 -Limit resistance “R” is calculated using the following equation. The resistance becomes the valueshown in Figure 11.R=VIN

AN.No.G1216B1N000-3D0E- 23 -3.7 MPU Connection DiagramG1216D/IRSTR/WDB0 to DB7ECS1CS2Z80AVDDVSSVLCZ80 PIODecoderD0 to D7A0 to A15RDIORQM1INTRDIORQM1IN

AN.No.G1216B1N000-3D0E- 24 -4. PRECAUTIONSSafetyIf the LCD panel is damaged, be careful not to get the liquid crystal in your mouth. If the liquidcr

AN.No.G1216B1N000-3D0EINDEX- A -Active display area... 2- B -Bias voltage ge

AN.No.G1216B1N000-3D0E- L -LC drive voltage ... 6, 21LC panel life time...

AN.No.G1216B1N000-3D0E- ii -CONTENTS1. GENERAL1.1 General...

Seiko Instruments Inc.Head OfficeComponents Overseas Marketing & Sales Department1-8, Nakase, Mihama-ku, Chiba-shi, Chiba 261, JapanPhone: 043-211

AN.No.G1216B1N000-3D0E- 1 -1. GENERAL1.1 GeneralThe G1216 is a very thin LCD module on which a full-dot matrix LCD panel and a CMOS IC driver areinte

AN.No.G1216B1N000-3D0E- 2 -1.3 Absolute Maximum Ratings (excluding LED backlight)Vss = 0 V-0.3VDD -19.0-0.3-20-30+20+20Ta = 25 C50 10%RH 65%RH 48 hrs

AN.No.G1216B1N000-3D0E- 3 -1.6 Optical CharacteristicsNote 4Note 3401006302300100200100035003.52.5Refer to notes1 and 2-15-201530507

AN.No.G1216B1N000-3D0E- 4 -Brightness of non-selected dot (reflection) B2C =Brightness of selected dot (reflection) B1tofftonSelected status(display O

AN.No.G1216B1N000-3D0E- 5 -(2) Electrical and optical characteristicsVmA4.40.94.13.8IF=90 mAVR=8 VVFIRForward voltageReverse currentTa = 25°CItemSym

AN.No.G1216B1N000-3D0E- 6 -1.9 DimensionsUnit: mmGeneral dimensional tolerance:±0.5Power supply voltage: +5.0 VGND: 0 VLC drive voltageData bus (LSB)