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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY
AGM1232T SERIES GRAPHIC MODULE VER1.2
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AGM1232T SERIES GRAPHIC MODULE VER1.2 REVISION RECORD
REVISION VER1.1 REVISION DATE 15/6-2006 PAGE CONTENTS MODIFY THE COVER,ADD CONTENT AND REVISION RECORD. 8 MAKE MODIFICATION TO MIN OF 9.0 TIMING CHARACTERISTICS
VER1.2
31/8-06
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AGM1232T SERIES GRAPHIC MODULE VER1.2 ※ CONTENTS
1.0 MECHANICAL DIAGRAM 2.0 MECHANICAL SPECS 3.0 ABSOLUTE MAXIMUM RATINGS 4.0 ELECTRICAL CHARACTERISTICS 5.0 OPTICAL CHARACTERISTICS 6.0 BLOCK DIAGRAM 7.0 PIN ASSIGNMENT 8.0 POWER SUPPLY 9.0 TIMING CHARACTERISTICS 10.0 RELIABILITY TEST 10.0 RELATION BETWEEN DISPLAY PATTERN AND DRIVERS 12.0 DISPLAY CONTROL INSTRUCTION 13.0 PRECAUTION FOR USING LCM
1.0
MECHANICAL DIAGRAM
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DISPLAYTRONIC
AGM1232T SERIES GRAPHIC MODULE VER1.2
2.0
MECHANICAL SPECS
122x32 Dots
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AGM1232T SERIES GRAPHIC MODULE VER1.2
Item 1. Overall Module Size 2. View Size 3. Active Area 4. View Angle Options 5. Dot Size 6. Dot Pitch 7. Duty 8. Controller IC 9. LC Fluid Options 10. Polarizer Options 11. Backlight Options 12. Temperature Range Options 57.0mm(W) x 20.0mm(H) 53.64mm(W) x 15.64mm(H) 6: O’ Clock, 12: O’ Clock 0.40mm(W) x 0.45mm(H) 0.44mm(W) x 0.49mm(H) 1/32 PT6520 OR COMPATIBLE STN, FSTN Reflective, Transflective, Transmissive LED Standard (0ºC ~ 50ºC), Wide (-20ºC ~ 70ºC) Description 97.5mm(W) x 32.6mm(H) x max 8.4mm(D)
3.0 ABSOLUTE MAXIMUM RATINGS
Item Operating temperature (Standard) Storage temperature (Standard) Operating temperature (Wide temperature) Storage temperature (Wide temperature) Input voltage Supply voltage for logic Supply voltage for LCD drive Symbol Top Tst Top Tst Vin Vdd- Vss Vdd- Vo Min 0 -10 -20 -30 Vss -0.3 5.0 Typ Max 50 60 70 80 Vdd 7.0 13.0 Unit ºC ºC ºC ºC V V V
4.0 ELECTRICAL CHARACTERISTICS
Item Input voltage (high) Input voltage (low) Symbol Vih Vil Condition H level L level -20ºC Recommended LC Driving Voltage Power Supply Current LED Power Supply Voltage Vdd - Vo 25ºC 70 Idd Vfled=(VLED+) -(VLED-) Vdd=3.3V Min 0.8VDD 0 4.0 2.05 6.5 Typ Max Vdd 0.2VDD 9.5 10 2.3 mA V V Unit V V
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AGM1232T SERIES GRAPHIC MODULE VER1.2
LED Power Supply Current Ifled 90 120 mA
5.0 OPTICAL CHARACTERISTICS
Item Cr (Contrast Ratio) 25ºC Mode A R B C A S B C MIN. 2.8 7.10 2.49 7.05 TYP. 3.05 7.70 2.99 7.55 MIN 80° 80° 80° 80° -
θ (Viewing Angle)
25ºC TYP. 85° 85° 85° 85° -
φ (Viewing Angle)
25ºC MIN TYP. 3 5° 3 5° 3 5° 3 5° -
Note: R: Reflective S: Transflective A: STN Gray B: STN Yellow C: FSTN
At: φ =0°, θ =0°
θ
Item Response time (rise) Response time (fall)
Symbol Tr Tf
Condition 25 ºC 25ºC
Min -
Typ 200 300
Max
Unit ms ms
6.0
BLOCK DIAGRAM
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AGM1232T SERIES GRAPHIC MODULE VER1.2
7.0
PIN ASSIGNMENT
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DISPLAYTRONIC
AGM1232T SERIES GRAPHIC MODULE VER1.2
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Symbol Vdd Vss Vo RST E1 E2 R/W AØ DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LEDLED+ Function Power Supply For Logic Circuit Ground Power Supply For LCD Driving Reset Enable for IC1 Enable for IC2 H: Data read L: Data write Instruction/Data Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 Power Supply for LED Power Supply for LED H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L 0V 2.05V Level
8.0
POWER SUPPLY
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AGM1232T SERIES GRAPHIC MODULE VER1.2 9.0 TIMING CHARACTERISTICS
Item
System cycle time Address setup time Address hold time Data hold time Data setup time Output disable time Access time Enable pulsewidth Read Write
Symbol
tCYC6 tAW6 tAH6 tDH6 tDS6 tOH6 tACC6 TEW Tr, Tf
Test Condition
Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a Fig. a CL=100 pF
Min.
2000 40 30 20 160 20 200 160
Typ.
-
Max.
120 180
Unit
ns ns ns ns ns ns
Rise and fall time
Fig. a, Fig. b
-
-
800
ns
t CYC6
E
t AW6
VIH1
t EW tr
tf
VIH1 VIL1 tH
R/W
VIL1
t AH6
VIH1 VIH1 VIL1 t
A0,CS
VIL1
t ACC6
t OH6
VIH1 VIH1 VIL1
DB0~DB7
Valid Data
VIL1
Fig. a Interface timing (data Read)
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AGM1232T SERIES GRAPHIC MODULE VER1.2
t CYC6
E
t AW6
VIH1
t EW tr t DS6
tf
VIH1 VIL1
R/W
VIL1
t AH6
VIH1 VIH1 VIL1
A0,CS
VIL1
t DH6
DB0~DB7
VIH1
VIH1
Valid Data
VIL1 VIL1
Fig. b Interface timing (data Write)
10.0 RELIABILITY TEST
Evaluations and Assessment* Storage Condition Operation at high temperature and humidity High temperature storage Low temperature storage Content 40ºC,90% RH,240hrs 60ºC, 240hrs -20ºC, 240hrs Current Consumption Twice initial value or less Twice initial value or less Twice initial value or less Oozing none none Contrast More than 80% of initial value More than 80% of initial value More than 80% of initial value Other Appearances No abnormality No abnormality No abnormality
*Evaluations and assessment to be made two hours after returning to room temperature (25ºC±5ºC). *The LCDs subjected to the test must not have dew condensation.
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AGM1232T SERIES GRAPHIC MODULE VER1.2 11.0 RELATION BETWEEN DISPLAY PATTERN AND DRIVERS
COM17 COM32
PT6520
PT6520
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AGM1232T SERIES GRAPHIC MODULE VER1.2 12.0 DISPLAY CONTROL INSTRUCTION
The display control instructions control the internal state of the PT6520. Instructions are received from MPU to PT6520 for the display control.
INSTRUCTION
A0
RD
R/W DB7
DB6
DB5
DB4 DB3 DB2
DB1
DB0
DESCRIPTION Turns display on or off. 0: OFF. 1:ON Sets display RAM Page in Page address register Sets display RAM column address in column address register Indicates the display data RAM displayed at the top of the screen. Reads the following status: BUSY ADC 0: Ready 1: Busy 1: CW output 0: CCW output ON/OFF RESET 0: Display on 1: Display off 0: Normal 1: Being Reset
Display ON/OFF Set Page Address Set Column (Segment address) Display Start Line
0 0
1 1
0 0
1 1
0 0
1 1
0 1
1 1
1 0
1
1/0
Page (0~3)
0
1
0
0
Column address (0~79)
0
1
0
1
1
0
Display start line (0~31)
ON/OFF
RESET
BUSY
ADC
Status Read
0
0
1
0
0
0
0
Write Display Data
1
1
0
Write Data
Writes data DB0~DB7 from bus into display data RAM. Reads data DB0~DB7 from display data RAM onto the data bus. 0 1 0 0 1 0 0 0 0 0 1 1 0/1 0/1 0/1 0 0 0 0: CW output,1: CCW output 1: Static drive, 0: Normal driving Select LCD duty cycle 1:1/32, 0: 1/16 Read-Modify-write ON Read-Modify-write OFF Software reset
Read Display Data Select ADC Static drive ON/OFF Select duty Read-Modify-Wreti END Reset
1 0 0 0 0 0 0
0 1 1 1 1 1 1
1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1
Read Data 0 0 0 0 0 0 0 0 1 0 1 0
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AGM1232T SERIES GRAPHIC MODULE VER1.2
13.0 PRECAUTION FOR USING LCM
1. When design the product with this LCD Module, make sure the viewing angle matches to its purpose of usage. 2. As LCD panel is made of glass substrate, Dropping the LCD module or banging it against hard objects may cause cracking or fragmentation. Especially at corners and edges. 3. Although the polarizer of this LCD Module has the anti-glare coating, always be careful not to scratch its surface. Use of a plastic cover is recommended to protect the surface of polarizer. 4. If the LCD module is stored at below specified temperature, the LC material may freeze and be deteriorated. If it is stored at above specified temperature, the molecular orientation of the LC material may change to Liquid state and it may not revert to its original state. Excessive temperature and humidity could cause polarizer peel off or bubble. Therefore, the LCD module should always be stored within specified temperature range. 5. Saliva or water droplets must be wiped off immediately as those may leave stains or cause color changes if remained for a long time. Water vapor will cause corrosion of ITO electrodes. 6. If the surface of LCD panel needs to be cleaned, wipe it swiftly with cotton or other soft cloth. If it is not still clean enough, blow a breath on the surface and wipe again. 7. The module should be driven according to the specified ratings to avoid malfunction and permanent damage. Applying DC voltage cause a rapid deterioration of LC material. Make sure to apply alternating waveform by continuous application of the M signal. Especially the power ON/OFF sequence should be kept to avoid latchup of driver LSIs and DC charge up to LCD panel. 8. Mechanical Considerations a) LCM are assembled and adjusted with a high degree of precision. Avoid excessive shocks and do not make any alterations or modifications. The following should be noted. b) Do not tamper in any way with the tabs on the metal frame. c) Do not modify the PCB by drilling extra holes, changing its outline, moving its components or modifying its pattern. d) Do not touch the elastomer connector; especially insert a backlight panel (for example, EL). e) When mounting a LCM makes sure that the PCB is not under any stress such as bending or twisting. Elastomer contacts are very delicate and missing pixels could result from slight dislocation of any of the elements. f) Avoid pressing on the metal bezel, otherwise the elastomer connector could be deformed and lose contact, resulting in missing pixels. 9. Static Electricity a) Operator Ware the electrostatics shielded clothes because human body may be statically charged if not ware shielded clothes. Never touch any of the conductive parts such as the LSI pads; the copper leads on the PCB and the interface terminals with any parts of the human body. b) Equipment There is a possibility that the static electricity is charged to the equipment, which has a function of peeling or friction action (ex: conveyer, soldering iron, working table). Earth the equipment through proper resistance 8 (electrostatic earth: 1x10 ohm). Only properly grounded soldering irons should be used. If an electric screwdriver is used, it should be well grounded and shielded from commutator sparks. The normal static prevention measures should be observed for work clothes and working benches; for the latter conductive (rubber) mat is recommended. c) Floor Floor is the important part to drain static electricity, which is generated by operators or equipment. There is a possibility that charged static electricity is not properly drained in case of insulating floor. Set the electrostatic earth (electrostatic earth: 1x108 ohm). d) Humidity Proper humidity helps in reducing the chance of generating electrostatic charges. Humidity should be kept over 50%RH. e) Transportation/storage The storage materials also need to be anti-static treated because there is a possibility that the human body or storage materials such as containers may be statically charged by friction or peeling. The modules should be kept in antistatic bags or other containers resistant to static for storage. f) Soldering
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AGM1232T SERIES GRAPHIC MODULE VER1.2
Solder only to the I/O terminals.Use only soldering irons with proper grounding and no leakage. Soldering temperature : 280°C ± 10°C Soldering time: 3 to 4 sec. Use eutectic solder with resin flux fill. If flux is used, the LCD surface should be covered to avoid flux spatters. Flux residue should be removed afterwards. g) Others The laminator (protective film) is attached on the surface of LCD panel to prevent it from scratches or stains. It should be peeled off slowly using static eliminator. Static eliminator should also be installed to the workbench to prevent LCD module from static charge. 10. Operation a) Driving voltage should be kept within specified range; excess voltage shortens display life. b) Response time increases with decrease in temperature. c) Display may turn black or dark blue at temperatures above its operational range; this is (however not pressing on the viewing area) may cause the segments to appear “fractured”. d) Mechanical disturbance during operation (such as pressing on the viewing area) may cause the segments to appear “fractured”. 11. If any fluid leaks out of a damaged glass cell, wash off any human part that comes into contact with soap and water. The toxicity is extremely low but caution should be exercised at all the time. 12. Disassembling the LCD module can cause permanent damage and it should be strictly avoided. 13. LCD retains the display pattern when it is applied for long time (Image retention). To prevent image retention, do not apply the fixed pattern for a long time. Image retention is not a deterioration of LCD. It will be removed after display pattern is changed. 14. Do not use any materials, which emit gas from epoxy resin (hardener for amine) and silicone adhesive agent (dealcohol or deoxym) to prevent discoloration of polarizer due to gas. 15. Avoid the exposure of the module to the direct sunlight or strong ultraviolet light for a long time. 16. The brightness of LCD module may be affected by the routing of CCFL cables due to leakage to the chassis through coupling effect. The inverter circuit needs to be designed taking the level of leakage current into consideration. Thorough evaluation is needed for LCD module and inverter built into its host equipment to ensure specified b
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