Silan
Semiconductors
TX-2B/RX-2B
2. ENCODE/DECODE TIMING
Any function key
Encode output
1st word 2nd word 3rd word
1
2
3
4
5
6
7
8
end code
Decode output
9ms
9ms
SI
(n) W1
1ms
8ms
8ms
Decode output
T
T=17ms+(nW1)x1ms
TESTING CIRCUIT
(The oscillator frequency of TX-2B, RX-2B is 128KHz, the oscillator resistor is 160KΩ and 250KΩ respectively)
forward
f
osc=128kHz
14
1
13
2
12
11
TX-2B
4
10
5
9
6
8
7
16
1
15
2
14
3
13
12
11
6
10
7
9
8
RX-2B
3
4
5
f
osc=128kHz
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2002.03.29
6