Name Pin Description A0-A11 1-8, 10-13 Address pins, used for address encoding, can be set to \"0\", \"1\", \"f\" (floating), D0-D5 7-8, 10-13 Data input terminal, one of which is \"1\" means that a code is sent, internal pull-down Vcc 18 Power positive terminal (+) Vss 9 Power negative terminal (-) TE 14 Encoding start terminal, used for encoding transmission of multiple data, low level is valid; OSC1 16 Oscillator resistor input terminal, and the resistor connected to OSC2 determines the oscillation frequency; OSC2 15 Oscillator resistor oscillator output terminal; Dout 17 Encoding output terminal (normally low level)
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