RfHCS362G/362F ASK/FSK 440 ～ 310 MHz KEELOQ code hopping transmitter

RfHCS362 is a monolithic integrated circuit chip integrating KEELOQ encoder and transmitter. It meets the requirements of American FCC Part l5.231 standard, European ERC 70-03E and EN 300 220-1. It can be used in the fields of RKE system, automatic alarm system, public door and garage door opener, identity mark, anti-theft alarm system and building entrance.

The main technical features are as follows:

·There is a tunable encoder oscillator on the chip, and the encoder data rate is 417 ～ 3334 b/s selectable;

·Yes E^twoPROM programming interface with nonvolatile E^twoPROM memory stores synchronization data;

·The encryption key of rfHCS362G is 2 × 64, the coding mode is PWM ／ MAN, and the modulation mode is ASK;

·The encryption key of rfHCS362F is 2 × 64, the coding mode is PWM/MAN, and the modulation mode is ASK/FSK;

·The encryption key is read protected;

·Clock output terminal with 4 frequency division of crystal oscillator (CLKOUT);

·The operating frequency is 310 ～ 440 MHz;

·The working voltage is 2.2~5.5 V;

·The output power is adjustable from -12 to+2 dBm;

·The emission current is 4.8 ～ 11.5 mA, and the standby current is less than 200 nA;

·Differential output structure, suitable for single ended antenna or double ended loop antenna connection.

ASK application circuit of rfHCS362

FSK application circuit of rfHCS362