6
PIN No.
Port
Description
I/O
(V)
1-35
SEG1-35
LCD segment.
O
2.5
36-39
NC
No connection.
-
0
40-43
COM1-4
LCD common.
O
2.5
44-49
KS1-6
Key data output.
O
0.9
50-54
KI1-5
Key data input.
I
0
55
TEST
Connecting to ground.
-
0
56
VDD
+5V power supply.
-
5.1
57
VDD1
Ground through capacitor.
-
3.3
58
VDD2
Ground through capacitor.
-
1.7
59
VSS
Ground.
-
0
60
OSC
CR oscillator.
-
3.9
61
DO
Key data output.
O
4.4
62
CE
Chip enable.
I
0
63
CLK
LCD clock.
I
0
64
DI
LCD data input.
I
0
crw405u.book Page 6 Thursday, January 14, 2010 2:17 PM
Содержание CR-W405U
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