Infrared Remote Control Transmitter circuit using LC7461M IC
Remote Control Transmitter circuit
Infrared Remote Control Transmitter IC using LC7461M
Functions
32 3 functions keys
13-bit custom codes
Operating supply voltage range Vdd=1.8 to 3.6V
Supply current at the standby mode Idd=1uA or less
Double-press operation keys (no priority given)
On-chip oscillator (ceramic resonator : connected externally)
Features
The custom code consist of 7 bits to be fixed by the on-chip ROM and 6 bits being pin-settable. Sixty-four custom codes may be selected externally (no diode required).
Minimum number if external parts required.
