elektronica - sito web di adriano · pdf file · 2016-11-12wm-c1602m-1ynnb...
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WM-C1602M-1YNNb
Elektronica
4
✔✔✔ ✔
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History of Version
Version Contents Page Date Note
1 New Revision '96,04,18
2 Modifyied Spec Style '96,11,30
3 Modify IC KS0066U-00CC ST7066-0A '00,07,11
4 Modifyied IC ST7066-0A ST7066U-0A ’01,05,07
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Contents Page
1.Precautions in Use of LCM………………………………………….. 4
2.Introduction……………………………………………………………. 4
3.Module Classification Information…………………………………… 5
4.Mechanical Specification…………………………………………….. 6
5.Absolute Maximum Rating…………………………………………… 8
6.Electrical Characteristics……………………………………………. 8
7.Optical Characteristics………………………………………………. 9
8.Optical Definitions……………………………………………………. 9
9.Interface Pin Function………………………………………………… 11
10.Display Address……………………………………………..……….. 11
11.Block Diagram………………………………………………..……….. 12
12.Power supply for LCD module………………………………..…….. 13
13.Character Generator ROM Map……………………………………. 15
14.Specification of Quality Assurance…………………………….…… 16
15.Standard Specification for Reliability………………………….……. 23
16.Packing method………………………………………………………. 25
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1.Precautions in Use of LCM
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3.Module Classification Information
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4. Mechanical Specification & Diagram
4.1 Mechanical Specification
16 2
85
36.080.0
64.5 15.0
2.95
36
4.35
STN ( Yellow Mode / Reflective Type )
Duty cycle: 1/16 Bias: 1/5
9.5
3.65 5.05
0.55 0.50
0.60 0.55
---
6
ST7066U-0A or Equivalent
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4.2 Mechanical Diagram
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5. Absolute Maximum Ratings
6. Electrical Characteristics
VCC
Ta=25℃
Ta=25℃
Ta=25℃
Ta=25℃
Ta=25℃
VDD=5V
Ta=25℃
4.7
4.3
0.7VCC
-0.3
+3.9
-
-
5.0
4.5
-
-
-
2.0
-
5.3
4.7
+0.6
VCC
3.0
+0.4
VDD-VSS
VDD-VO
VDD-VO
VDD-VSS
0 -
-
-
-
-
+7.0
VCC+0.3
+50
+80
VCC+0.3
-20
-0.3
-0.3
VCC-10.0
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7.Optical Characteristics
8.Optical Definitions
Response Time
Rise Time Decay Time (fall time tf)
90%
SelectedCondition
10%
tdtr
100%
Brightness
NonselectedCondition
NonselectedCondition
STN
CR≧2
CR≧2
Ta=25℃
Ta=25℃
Ta=25℃
-40
-40
-
-
-
-
-
200
200
6
+40
+40
300
300
-
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3:009:00
12:00
6:00
Eye
View Angle
y' (front)
x (right)
y (back)
(left) x'
φ
θ
View Direction
Driving Voltage
Brightness curve of nonselected segment
Brightness cure of selected segmentBrightness
B
B 1
2
Perpendicular line (θ=90°)
Contrast ration =Brightness at nonselected segment (B2)
Brightness at selected segment (B1)
Contrast ration (CR)
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9.Interface Pin Function
NO SYMBOL LEVEL FUNCTION
1 VSS - GND ( 0V )
2 VDD - VCC ( +5V ± 5% )
3 VO - CONTRAST ADJUSTMENT
4 RS H/L REGISTER SELECT SIGNAL
5 R/W H/L READ / WRITE SELECTION
6 E H,H→L ENABLE SIGNAL
7 DB0 H/L DATA BIT 0
8 DB1 H/L DATA BIT 1
9 DB2 H/L DATA BIT 2
10 DB3 H/L DATA BIT 3
11 DB4 H/L DATA BIT 4
12 DB5 H/L DATA BIT 5
13 DB6 H/L DATA BIT 6
14 DB7 H/L DATA BIT 7
15 NC - -
16 NC - -
10.Display Address
Relations between DD RAM addresses and positions on the LCD are shown below.The DD RAM address (ADD)is set in the address counter (AC) and is represented in hexadecimal.
16 ×××× 2 Line Display
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1600 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
Display Position
DD RAM Address
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11.Block Diagram
a. Data Resistor ( DR ) : DR is a register used for temporary storage of the date read/write from/into DDRAM and CG RAM.
b. Instruction Register ( IR ) : IR is a register available for storing the instruction codes and addressinformation of display data ( DD ) RAM and character generator ( CG ) RAM.
c. BUSY FLAG ( BF ) : When the BUSY FLAG is "1", it shows that LCM is in internal operation and it cannot accept the next instruction.
d. Character Generator ( CG ) ROM : This ROM generates character pattern from 8 -bit character codeand provides 192 character patterns.
e. Character Generator ( CG ) RAM : This RAM allows the user to rewrite the character patterns freelyaccording to the program.
f. Address Counter ( AC ) : This address counter is used to give the address information of DD RAM andCG RAM.
g. Display Data ( DD ) RAM : This display data RAM is used to store the display data expressed by 8 - bitcharacter code. The capacity is 80×8 bits and data for 80 characters can be storage.
h. Cursor and Blink Control Circuit : This circuit generates the cursor and blink.
D0-D3
D4-D7
E
R/W
RS
DD RAM
CG ROM
CG
LCD
RAM
Driving CircuitP to S registor
BUSYFLAG
IR
DECODER
AC
DR
I/OBUFFER
Cursor and Blink CKT.
COM.DrivingCircuit
Timing Control Circuit
VDD
VO
VSS
Block Diagram
BacklightA
K
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12.Power Supply for LCD Module
12.Power Supply for LCD Module
12.1 LCD Driving Source ( 1/5 Bias )
R1VDD
+5V
VEE
R2
R3
R4
R5
VR
V1
V2
V3
V4
V0=V5
V LCD
V V DD V LCDV V DD V LCDV V DD V LCDV V DD V LCDV V DD V LCD
115
225
335
445
5
= −
= −
= −
= −
= −
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12.2 Signal Supply Voltage Types
LCM
VDD
V0
VSS
VRVDD
VDD-VO
VDD-VO:LCD Driving Voltage
12.3 Dual Supply Voltage Types
V DDV DDV DDV DD
V SSV SSV SSV SS
V OV OV OV OL CML CML CML CM
V DDV DDV DDV DD
V EEV EEV EEV EEV RV RV RV R
VDD-VOVDD-VOVDD-VOVDD-VO
VDD-VO:LCD Driving Voltage
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13.Character Generator ROM Mop