XIAMEN OCULAR OPTICS CO., LTD.
3
SOUTH2/F, GUANGXIA BUILDING, TORCH HIGH-TECH DEVELOPMENT ARER,
XIAMEN 361006.P.R.CHINA TEL: 86-592-5650516 FAX: 86-592-5650695
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Mechanical diagram
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Absolute maximum ratings
Item
Symbol
Min.
Max.
Unit
Supply voltage for logic
Vdd - Vss
0
6.5
Input voltage
Vin
0
Vdd
V
Operating temperature range
T0p
-20
70
Storage temperature range
Tst
-25
75
Ø
Interface pin connections
Pin No.
Symbol
Level
Description
1
Vdd
5.0V
Supply voltage for logic and LCD (+)
2
Vss
0V
Ground
3
V0
-
Operating voltage for LCD (variable)
4~11
DB0~DB7
H/L
Data bit 0~7
12
CS2
L
Chip select signal for IC2
13
CS1
L
Chip select signal for IC1
14
/RES
L
Reset signal
15
R/W
H/L
H: read (MUP<
module),L: write (MPU
>module)
16
D/I
H/L
H: data, L: instruction code
17
E
H, H L
Chip enable signal
18
VEE
-
Operating voltage for LCD (variable)
19
A
4.2V
Backlight power supply
20
K
0V
Backlight power supply