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参数资料
| 型号： | LC7464M |
| 元件分类： | 摇控器 |
| 英文描述： | INFRARED, TRANSMITTER IC, PDSO24 |
| 封装： | MFP-24 |
| 文件页数： | 5/7页 |
| 文件大小： | 240K |
| 代理商： | LC7464M |
LC7464M
No.3588–5/7
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 as shown in the follow-
ing figure, Note that when the appropriate mask option is
selected, function codes 97H, A7H, B7H, C7H, D7H,
E7H and F7H can be generated by holding down key 8
and one of keys 16, 24, 32, 40, 48, 56 and 64.
Data check code
The eight-bit data check code (DC0 to DC7) is generated
by adding the carry bits from the system code to the
product and function code bits. This code is used for
error detection. The data chek code is calculated using
the following equation.
DC=SC+GC0 to GC3+GC4 to GC7+FC0 to
FC3+FC4 to FC7
For example, when
SC=0H, GC=0B1H, FC=35H
DC=0H+1H+0BH+5H+3H=14H
Data Transmission Waveforms
Abbreviated transmission mode
Abbreviated mode detail
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
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