WP2002A-Y-JCS Datasheet, PDF (6/18 Pages) DB Lectro Inc – WP2002A-Y-JCS

7.Interface Pin Function
Pin No. Symbol
1
V_SS
2
V_DD
3
※V_BT
Level
Description
0V Ground
5.0V Supply Voltage for logic
(Variable) Operating voltage for PLED Brightness adjhstment
4
RS
H/L H: DATA, L: Instruction code
5
R/W
H/L H: Read(MPU→Module) L: Write(MPU→Module)
6
E
H,H→L Chip enable signal
7
DB0
H/L Data bit 0
8
DB1
H/L Data bit 1
9
DB2
10
DB3
11
DB4
12
DB5
13
DB6
14
DB7
15
NC
H/L Data bit 2
H/L Data bit 3
H/L Data bit 4
H/L Data bit 5
H/L Data bit 6
H/L Data bit 7
－
16
NC
－
※Brightness Control
VBT Brightness(nits) Power consumption(measured with random texts)
2.5V 20(typical)
50mW
3.0V 45(typical)
63mW
Note:1.When random texts pattern is running,averagely,at any instance,about 1/4 of pixels will be
on.
2.If VBT is not operated within 2V and 3V,non-uniformity display may occur.
3.You have to use the saving mode by VBT 2.5V in order to make long life.
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