LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 1
WaveShare LCD12864-ST
Inquiry & Order:
[email protected]
After Service:
[email protected]
Address:
Waveshare Electronics Rm 621, Dynamic World Building Zhenhua Rd, Futian District Shenzhen, China
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 2
•REVISION RECORD
REV. NO. 1
REV. DATE 20/10/07
DESCRIPTION OF REVISION PAGE
INITIAL RELEASE
ALL
REMARK
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 3
CONTENTS
1. FEATURES ……………………………………………...........................…. 4 2. MECHANICAL SPEC ……………………………………………………..…. 4 3. ABSOLUTE MAXIMUM RATING ………………………..…………………. 5 4. ELECTRICAL CHARACTERISTICS …..………………………………… … 5 5. ELECTRO-OPTICAL CHARACTERISTICS .…………...…………………. 6 6. QC/QA PROCEDURE ......………………………………...………………... 7 7. RELIABILITY .……...…………………………………………………..……... 8 8. BLOCK DIAGRAM ..……………………………………………………….… 9 9. POWER SUPPLY …………………..……………………………………….. 9 10. TIMIING DIAGRAM ……………………………….…..………….……….... 10 11. AC CHARACTERISTICS……………………………………………………. 11 12. INSTRUCTION SET ……..…………….………………………..…………... 12 13. HANDLING PRECAUTION.……..……..…………………………………... 14 14. EXTERNAL DIMENSION .....……..…………………………….………….. 17 15. INTERFACE .....……..…………………………….………………………….. 18
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 4
1. FEATURES
•Display construction…………… 128*64 DOTS •Display mode ……………………… STN / Yellow Green •Display type ……………………… Positive Transmissive •Viewing direction………………… 6 o’clock •Operating temperature…………… Indoor •Driving voltage…………………… Single power •Driving method……………………… 1/33 duty, 1/6bias •Type…………………………………… COB (Chip On Board) •Number of data line……………… 8-bit parallel •Connector…………………………… Pin
2. MECHANICAL DATA
ITEM Module size Viewing area
Size Dot
Pitch Diameter of mounting hole
Weight
WIDTH 93.0 70.7 0.48 0.52
HEIGHT 70.0 38.8 0.48 0.52 2.7
About 50
THICKNESS 12.7(MAX)
-
UNIT mm mm mm mm mm g
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
3. ABSOLUTE MAXIMUM RATINGS
20/10/07 1.1 5
4. ELECTRICAL CHARACTERISTICS
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 6
5. ELECTRO-OPTICAL CHARACTERISTICS
ITEM Contrast ratio Response time (rise)
SYMBOL K
Tr
CONDITION φ=0
φ=0
MIN. TYP. MAX. UNIT NOTE
1.4 4
-
-
1
-
250 300
ms
2
Response time (fall)
Tf
φ=0
250 350
ms
2
φ
Viewing angle
K ≥2.0
θ
Note 1: Definition of Contrast Ratio “K”
K=
Brightness of Brightness of
non-selected segment(A) selected segment(B)
Brightness Curve of 90% A selected area
Brightness Curve of non-selected area
Brightness
B 10%
Vop Driving Voltage
-40 -- +40 -30 -- +30
deg.
Note 2: Definition of Optical Response Time
3
Non-selected Selected Non-selected
100% Brightness
0%
90% 10%
Rise Time
Fall Time
Note 3: Definition of Viewing Angle
Left Right
Top Top Viewing Angle
θ
∅∅ Viewing Surface
Bottom
θ
Bottom Viewing Angle
Please select either top or bottom viewing angle
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 7
6. QC/QA PROCEDURE
Parts QA Dept.
Parts
LCD Mfg. Dept.
LCM QA Dept.
Parts Acceptance Inspection
Soldering
1. Function & Appearance & Dimension: Sample Test
2. Reliability: Random Sampling
Soldering Inspection
Soldering Condition
LCM Assembling
Heat Cycle Aging
High Temp. Test
Inspection
Packaging
1. Function,Appearance & Dimension: Random Sampling 2. Package Product & Label:
Random Sampling 3.Electro-optical Characteristic:
100% Inspection 4. Reliability: Random Sampling
1. Dimension: Sample Test 2. Function: 100% Inspection
-10~60℃ (1 Cycle=6 Hrs). 2 Cycle: 100% Inspection
Function & Appearance: 100% Inspection (ex. 50℃)
1. Function & Appearance: 100% Inspection
2. Dimension: Random Sampling
Package Condition & Label: 100% Inspection
Outgoing Inspection
Storage/Shipping
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 8
7. RELIABILITY
•Operating life time:
Longer than 50000 hours (at room temperature without direct irradiation of sunlight)
•Reliability Characteristics:
Item High temp Low temp. High humidity Thermal shock
Vibration
Test
60℃ / 200 Hrs
-10℃ / 200 Hrs
40℃ * 90%RH / 200 Hrs
-10℃→25℃→60℃→25℃ /5 Cycles (30min) (5min) (30min) (5min)
1.Operating time: Thirty minutes exposure in each direction (x, y, z) 2.Sweep Frequency (1min):10Hz→ 55Hz →10Hz 3.Amplitude: 0.75mm double amplitude
Criterion
5Total current consumption should be below double of initial value 5Contrast ratio should be within initial value±50% 5No defect in cosmetic and operational function is allowable
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12864-ST
DATE VER. PAGE
20/10/07 1.1 9
8. BLOCK DIAGRAM & 9.POWER SUPPLY
256X32
LCD MOUDULE SPECIFICATION FOR APPROVAL
Waveshare LCD12.