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LC7461 Просмотр технического описания (PDF) - SANYO -> Panasonic

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LC7461 Infrared Remote Control Transmitter IC SANYO
SANYO -> Panasonic SANYO
LC7461 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
LC7461M
(a) Custom code
The custom code, which consists of 13 bits (C0 to C12) in all, is used to distinguish between receiving sets.
Pin-selectable
6 bits
Mask ROM
7 bits
C6 to C12 are fixed by the mask ROM and C0 to C5 are pin-settable.
In this example C0 to C5 are
set as follows:
C0 C1 C2 C3 C4 C5
011001
The custom codes are controlled by Sanyo to avoid duplication.
(b) Key data
KEY No. D0 D1 D2 D3 D4 D5 D6 D7
0
00000000
1
10000000
2
01000000
3
11000000
4
00100000
5...
1...
0...
1...
0...
0...
0...
0...
0...
28
00111000
29
10111000
30
01111000
31
11111000
Multi-press
KEY No. D0 D1 D2 D3 D4 D5 D6 D7
20, 21 1 0 1 0 1 1 0 0
20, 22 0 1 1 0 1 1 0 0
20, 23 1 1 1 0 1 1 0 0
. D6, D7 may be preset to ‘‘0’’,‘‘1’’ beforehand (mask
option).
When multi-press of key No.20 and one of key No.21, 22, 23 is done, multi-bit D5 will be set to ‘‘1’’, with no priority given
in key entry.
(H: Key-ON state)
Key 20 Keys 20, 21 Key 21 Transmit
data
multi-press data
stop
transmit data transmit transmit
Key 22
data
transmit
Keys 20, 22
multi-press data
transmit
No.2119-5/7
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