XIAMEN OCULAR OPTICS GDM12864HLCM User Manual Download Page 9

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XIAMEN OCULAR OPTICS CO., LTD.

SOUTH2/F, GUANGXIA BUILDING, TORCH HIGH-TECH DEVELOPMENT ARER,
XIAMEN 361006.P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695

Block diagram

VDD-Vo:LCD DRIVING VOLTAGE

VSS

VR:10K~20K

VEE

VDD

V o

LCM

VEE

/RET

VDD

VSS

DB0~DB7

R/W E

A
K

IC3

GND

SEG65~128

LED BACKLIGHT MODULE

+5V

IC1

SEG1~64

IC2

LCD PANEL

COM 1~64

IC4

*Note

1/64 duty, 1/9 bias
V

>V1>V2>V3>V4>V5>V

Summary of Contents for GDM12864HLCM

Page 1: ...64HLCM Liquid Crystal Display Module For product support contact XIAMEN OCULAR OPTICS CO LTD South2 F Guangxia Building Torch Hi tech Industrial Development Area Xiamen China 36100 Tel 86 592 5650516...

Page 2: ...TEL 86 592 5650516 FAX 86 592 5650695 CONTENTS Mechanical diagram Absolute maximum ratings Interface pin connections Optical characteristics Electrical characteristics KS0107B KS0108B Write or read c...

Page 3: ...temperature range Tst 25 75 Interface pin connections Pin No Symbol Level Description 1 Vdd 5 0V Supply voltage for logic and LCD 2 Vss 0V Ground 3 V0 Operating voltage for LCD variable 4 11 DB0 DB7...

Page 4: ...d Vss 4 75 5 0 5 25 Supply voltage for LCD Vdd V0 9 5 V Logic Idd 2 5 Supply current for LCD Iee 1 0 mA 25 9 5 Operating voltage for LCD Recommended Vdd v0 H level Vih High level 0 7Vdd Vdd Input volt...

Page 5: ...ster mode 1 128 Duty 0 2 4 Supply Current IEE Master mode 1 128 Duty 0 1 mA 5 Operating fop1 Master mode External Duty 50 600 Frequency fop2 Slave mode 0 5 1500 kHz Notes 1 Applies to input terminals...

Page 6: ...VEE 8 17V Ta 30 to 85 Item Symbol Condition Min Typ Max Unit Note Operating voltage VDD 4 5 5 5 VIH1 0 7VDD VDD 1 Input High voltage VIH2 2 0 VDD 2 VIL1 0 0 3VDD 1 Input Low voltage VIL2 0 0 8 2 Outp...

Page 7: ...nit E cycle Tc 1000 ns E high level width Twh 450 ns E low level width Twl 450 ns E rise time Tr 25 ns E fall time Tf 25 ns Address set up time Tasu 140 ns Address hold time Tah 10 ns Data set up time...

Page 8: ...TD 8 SOUTH2 F GUANGXIA BUILDING TORCH HIGH TECH DEVELOPMENT ARER XIAMEN 361006 P R CHINA TEL 86 592 5650516 FAX 86 592 5650695 Read timing tWL tC tF tR tAH tAH tASU tASU tWH tD tWH MPU Read timing DB0...

Page 9: ...R CHINA TEL 86 592 5650516 FAX 86 592 5650695 Block diagram VDD Vo LCD DRIVING VOLTAGE VSS VR 10K 20K VEE VDD Vo LCM VEE RET VDD VSS DB0 DB7 R W E A K CS RS 3 8 V0 IC3 GND VR 3 SEG65 128 8 3 5 5 8 LED...

Page 10: ...ormal 1 Reset Set Address Y address 0 0 0 1 Y address 0 63 Sets the Y address in the Y address counter Set Display Start Line 0 0 1 1 Display start line 0 63 Indicates the display data RAM displayed a...

Page 11: ...B0 0 0 1 1 AC5 AC4 AC3 AC2 AC1 AC0 5 Status Read RS R W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 0 BUSY 0 ON OFF RESET 0 0 0 0 l BUSY When BUSY is 1 the Chip is executing internal operation and no instructio...

Page 12: ...lay data RAM is latched in output register When CS1B to CS3 is in active mode and R W H RS L status data busy check can read out To read the contents of display data RAM twice access of read instructi...

Page 13: ...display on off flip flop synchronized by CL signal 7 X Page Register X page register designates pages of the internal display data RAM Count function is not available An address is set by instruction...

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