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DISPLAYTRONIC
XIAMEN ZETTLER ELECTRONICS CO., LTD.
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY
ACM2402C SERIES CHARACTER MODULE VER1.1 CUSTOMER APPROVAL
1.POLARIZER OPTIONS: R=REFLECTIVE F=TRANSFLECTIVE N=TRANSMISSIVE NEGATIVE M=TRANSMISSIVE POSITIVE 2.BACKLIGHT OPTIONS:N=NONE E=EL L=LED (Y-G ) C=CCFL 3. BACKLIGHT COLOR: A= AMBER B= BLUE G= GREEN W=WHITE R= RED RGB= RED+GREEN+BLUE 4.FLUID OPTIONS: T=TN F=FSTN Y=STN-YELLOW GREEN G=STN-GRAY B=STN-BLUE 5. VIEWING DIRECTION: B=BOTTOM VIEW(6 O'CLOCK) T=TOP VIEW(12 O'CLOCK) 6.TEMPERATURE RANGE: S=STANDARD TEMPERATURE RANGE H=DUAL POWER,WIDE TEMPERATURE RANGE W=SINGLE POWER,WIDE TEMPERATURE RANGE 7.OTHERS REQUIREMENT:
PART NO. :
APPROVAL CUSTOMER COMMENTS COMPANY CHOP
DISPLAYTRONIC ENGINEERING APPROVAL
DESIGN BY CHECKED BY APPROVED BY
ACM2402C SERIES CHARACTER MODULE VER1.1 REVISION RECORD
REVISION REVISION DATE PAGE CONTENTS
VER1.1
15/6-2006
MODIFY THE COVER,ADD REVISION RECORD.
CONTENT
AND
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
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ACM2402C SERIES CHARACTER MODULE VER1.1 CONTENTS
1.0 MECHANICAL SPECS 2.0 ABSOLUTE MAXIMUM RATINGS 3.0 ELECTRICAL CHARACTERISTICS 4.0 OPTICAL CHARACTERISTICS (TA=25C, VDD= 5.0V0.25V, TN LC FLUID) 4.1 OPTICAL CHARACTERISTICS (TA=25C, VDD= 5.0V0.25V, STN LC FLUID)' 5.0 BLOCK DIAGRAM 6.0 PIN ASSIGNMENT 7.0 POWER SUPPLY 8.0 TIMING CHARACTERISTICS 9.0 MECHANICAL DIAGRAM 10.0 RELIABILITY TEST 11.0 DISPLAY INSTRUCTION TABLE 12.0 STANDARD CHARACTER PATTERNS
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
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ACM2402C SERIES CHARACTER MODULE VER1.1 1.0 MECHANICAL SPECS
1. Overall Module Size 118.0mm(W) x 36.0mm(H) x max 14.0mm(D) for LED backlight version 118.0mm(W) x 36.0mm(H) x max 9.5mm(D) for reflective version 2. Dot Size 3. Dot Pitch 4. Duty 5. Controller IC 6. LC Fluid Options 7. Polarizer Options 8. Backlight Options 9. Temperature Range Options 0.60mm(W) x 0.65mm(H) 0.65mm(W) x 0.70mm(H) 1/16 SPLC780D or compatible TN, STN Reflective, Transflective, Transmissive LED Standard (0C ~ 50C), Wide (-20C ~ 70C)
2.0 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 2.7 3.0 5.0 4.6 Typ Max 50 60 70 80 Vdd 5.5 6.5 Unit C C C C V V V
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ACM2402C SERIES CHARACTER MODULE VER1.1 3.0 ELECTRICAL CHARACTERISTICS
Item Input voltage (high) Input voltage (low) Symbol Vih Vil Condition H level L level 0C Recommended LC Driving Voltage (Standard Temp) Vdd - Vo 25C 50C -20C Recommended LC Driving Voltage (Wide Temp) Vdd -Vo 25C 70C Idd Vfled Ifled Vdd=5.0V, fosc=270kHz R=6.8 R=6.8 Min 2.2 0 4.3 3.9 4.3 3.6 1.5 5.0 120 300 4.6 4.6 Typ Max Vdd 0.6 5.4 4.9 6.4 4.9 2.0 mA V mA V V Unit V V
Power Supply Current LED Power Supply Voltage LED Power Supply Current
4.0 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V0.25V, TN LC fluid)
Item Viewing angle (horizontal) Viewing angle (vertical) Contrast Ratio Response time (rise) Response time (fall) Symbol Cr Tr Tf Condition Cr 4.0 Cr 4.0 =0, =0 =0, =0 =0, =0 Min -25 -30 Typ 2 120 120 Max 30 150 150 ms ms Unit deg deg
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ACM2402C SERIES CHARACTER MODULE VER1.1 4.1 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V0.25V, STN LC fluid)
Item Viewing angle (horizontal) Viewing angle (vertical) Contrast Ratio Response time (rise) Response time (fall) Symbol Cr Tr Tf Condition Cr 2.0 Cr 2.0 =0, =0 =0, =0 =0, =0 Min -60 -40 Typ 6 150 150 Max 35 40 250 250 ms ms Unit deg deg
5.0 BLOCK DIAGRAM
1. Vss 2. Vdd 3. Vo 4. RS 5. R/W 6. E 7. DB0 8
~
U2
SEG1- 40 40 80 SEG 120 SEG41- 120
U1
COM 16 16
SEG 1 COM 1
LCD 24 X 2
COM16
14. DB7
15/+ BL+ 16/- BL-
LED BACKLIGHT
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ACM2402C SERIES CHARACTER MODULE VER1.1 6.0 PIN ASSIGNMENT
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15/+ 16/Symbol Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BL+ BLFunction Ground +5V LCD contrast adjust Register select Read / write Enable 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 BL+ Power Supply for BLWIDE TEMP RANGE Vr = 10K ~ 20K Vss Vo Vr -5V +5V Vdd Vss STANDARD TEMP RANGE Vo Vr +5V
7.0 POWER SUPPLY
Vdd
8.0 TIMING CHARACTERISTICS
Item Enable cycle time Enable pulse width Enable rise/fall time RS, R/W set up time RS, R/W hold time Data delay time Data set up time Data hold time Symbol tC tW tR , tF tSU tH tD tDSU tDH Test Condition Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. b Fig. a Fig. a, Fig. b Min. 500 220 40 10 60 20 Typ. Max. 25 120 Unit ns ns ns ns ns ns ns ns
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ACM2402C SERIES CHARACTER MODULE VER1.1
RS R/W E DB0~DB7
VIH1 VIL1 tSU
VIH1 VIL1 tH
V IL1 tW VIH1 VIL1 tR VIH1 VIH1 VIL1 tDSU tDH VIH1 tF tH
VIL1
VIL1
Valid Data
VIL1 tC VIL1
Fig. a Interface timing (data write)
RS R/W
VIH1 VIL1 tSU VIH1
VIH1 VIL1 tH VIH1
tW
tF VIH1 VIL1
tH
E DB0~DB7
VIH1 VIL1 tR tD VIH1 VIL1
tDSU
VIL1 tDH VIH1 VIL1
Valid Data
tC
Fig. b Interface timing (data read)
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ACM2402C SERIES CHARACTER MODULE VER1.1 9.0 MECHANICAL DIAGRAM
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ACM2402C SERIES CHARACTER MODULE VER1.1 10.0 RELIABILITY TEST
Evaluations and Assessment* Storage Condition Operation at high temperature and humidity High temperature storage Low temperature storage Content 40C,90% RH,240hrs 60C, 240hrs -20C, 240hrs Current Consumption Twice initial value or less Twice initial value or less Twice initial value or less Oozing none Contrast More than 80% of initial value More than 80% of initial value More than 80% of initial value Other Appearances No abnormality
none
No abnormality No abnormality
*Evaluations and assessment to be made two hours after returning to room temperature (25C5C). *The LCDs subjected to the test must not have dew condensation.
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ACM2402C SERIES CHARACTER MODULE VER1.1 11.0 DISPLAY INSTRUCTION TABLE
COMMAND R R/ DB DB DB DB SW7 6 5 4 DB 3 DB 2 DB 1 DB 0 DESCRIPTION Executing time fosc=250khz 1.64ms
Clear Display Cursor at Home
0
00
0
0
0
0
0
0
1
Clears Display & Returns to Address 0.
0
00
0
0
0
0
0
1
x
Returns Cursor to Address 0. Also returns the display being shifted to the original position. DDRAM contents remain unchanged. I/D: Set Cursor Moving Direction I/D=1: Increment I/D=0: Decrement S: Specify Shift of Display S=1: The display is shifted S=0: The display is not shifted
1.64ms
Entry Mode Set
0
00
0
0
0
0
1
I/D
S
40s
Display ON/OFF Control
0
00
0
0
0
1
D
C
B
Display D=1: Display on D=0: Display off Cursor C=1: Cursor on C=0: Cursor off Brink B=1: Brink on B=0: Brink off Moves cursor or shifts the display w/o changing DD RAM contents S/C=0: Cursor Shift (RAM unchanged) S/C=1: Display Shift (RAM unchanged) R/L=1: Shift to the Right R/L=0: Shift to the Left Sets data bus length (DL), # of display lines (N), and character fonts (F). DL=1: 8 bits F=0: 5x7 dots DL=0: 4 bits F=1: 5x10 dots N=0: 1 line display N=1: 2 lines display Sets CG RAM address. CG RAM data is sent and received after this instruction. Sets DD RAM address. DD Ram data is sent and received after this instruction. Reads Busy Flag (BF) and address counter contents.
40s
Cursor / Display Shift
0
00
0
0
1
S/C
R/L
x
x
40s
Function Set
0
00
0
1
DL
N
F
x
x
40s
Set CG RAM Address Set DD RAM Address Busy Flag / Address Read Write Data Read Data x: Don't Care.
0
00
1
Character Generator (CG) RAM Address
40s
0
01
Display Data (DD) RAM Address / Cursor Address
40s
0
1B F
Address counter used for both DD & CG RAM address
40s
1 1
0 1
Write Data Read Data
Writes data into DDRAM or CGRAM. Reads data from DDRAM or CGRAM.
46s 46s
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ACM2402C SERIES CHARACTER MODULE VER1.1 12.0 STANDARD CHARACTER PATTERNS
Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program.
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