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参数资料
| 型号： | LC7465M |
| 元件分类： | 摇控器 |
| 英文描述： | INFRARED, TRANSMITTER IC, PDSO30 |
| 封装： | MFP-30 |
| 文件页数： | 5/8页 |
| 文件大小： | 259K |
| 代理商： | LC7465M |
LC7465M
No.3590–5/8
Tables 2 and 3 show the relationships between GCL and
L0 to L2, and between GCH and H0 to H2, respectively.
Table 2. GCL product codes
Table 3. GCH product codes
Function code
The eight-bit function code (FC0 to FC7) is determined
by the number of the key pressed and the SEL and FCS1
to FCS3 inputs.
When SEL is LOW, bits FC3 and FC7 of the function
codes for the 64 keys are determined by FCS1 and FCS3,
respectively, as shown in tabel 4 and the following figure.
n
i
P
d
e
t
a
r
e
n
e
g
e
d
o
C
0
L1
L2
L
0
O
K
000
1
O
K
100
2
O
K
010
3
O
K
110
4
O
K
001
5
O
K
101
6
O
K
011
7
O
K
111
n
i
P
d
e
t
a
r
e
n
e
g
e
d
o
C
0
H1
H2
H
0
O
K
000
1
O
K
100
2
O
K
010
3
O
K
110
4
O
K
001
5
O
K
101
6
O
K
011
7
O
K
111
Table 4. Function code generation when SEL is LOW
1
S
C
F2
S
C
F3
S
C
F
e
d
o
c
n
o
i
t
c
n
u
F
0
C
F1
C
F2
C
F3
C
F4
C
F5
C
F6
C
F7
C
F
W
O
L
×
W
O
L
–––0–––0
H
G
I
H
×
W
O
L
–––1–––0
W
O
L
×
H
G
I
H
–––0–––1
H
G
I
H
×
H
G
I
H
–––1–––1
Note
× = don’t care
= key press code
The function codes when SEL is LOW, FCS1 is HIGH
and FCS3 is LOW are shown in the following figure. For
example, when key 23 is pressed, the generated function
code is 2EH.
When SEL is HIGH, the function codes for keys 1 to 32
are fixed, and bits FC3, FC6 and FC7 of the function
codes for keys 33 to 64 are determined by FCS1 to FCS3
as shown in table 5 and the following figure.
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