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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RFHCS362G 데이터시트(PDF) 1 Page - Microchip Technology |
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RFHCS362G 데이터시트(HTML) 1 Page - Microchip Technology |
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1 / 60 page  © 2002 Microchip Technology Inc. Preliminary DS41189A-page 1 rfHCS362G/362F General: • Combination KEELOQ encoder and synthesized UHF ASK/FSK transmitter in a single package • Operates on a single lithium coin cell - <200 nA typical standby current - 4.8 to 11.5 mA transmit current - 2.2 to 5.5V operation • Integrated solution with minimum external parts • Separate pin-outs for KEELOQ encoder and RF transmitter provides for design flexibility Code Hopping Encoder: • Programmable minimum code word completion • Battery low signal transmitted to receiver with pro- grammable threshold • Non-volatile EEPROM storage of synchronization data • Easy to use EEPROM programming interface • PWM or Manchester modulation • Selectable encoder data rate 417 to 3334 bps • On-chip tunable encoder oscillator • RF Enable output for transmitter control • Button inputs have internal pull-down resistors • Elapsed time and button queuing options • Current limiting on LED output • 2-bit CRC for error detection UHF ASK/FSK Transmitter: • Conforms to US FCC Part 15.231 regulations and European ERC 70-03E and EN 300 220-1 requirements • VCO phase locked to quartz crystal reference; allows narrow receiver bandwidth to maximize range and interference immunity • Crystal frequency divide by 4 output (CLKOUT) • Transmit frequency range (310 – 440 MHz) set by Crystal frequency • ASK Modulation • FSK Modulation through crystal pulling (rfHCS362F) • Adjustable output power: -12 dBm to +2 dBm • Differential output configurable for single or double ended loop antenna • Automatic power amplifier inhibit until PLL lock Pin Diagrams Security: • Programmable 28/32-bit serial number • Two programmable 64-bit encryption keys • Programmable 60-bit seed • Each 69-bit transmission is unique with 32 bits of hopping code • Encryption keys are read protected Applications: • Automotive Remote Keyless Entry (RKE) systems • Automotive alarm systems • Automotive immobilizers • Community gate and garage door openers • Identity tokens with usage counters • Burglar alarm systems • Building access Device Features Encrypt Keys Encoding Transmitter rfHCS362AG 2 x 64 PWM/MAN ASK rfHCS362AF 2 x 64 PWM/MAN ASK/FSK SOIC VSS S2 XTAL S3/RFENOUT VDD LED/SHIFT S1 RFENIN CLKOUT PS/DATAASK VDDRF S0 LF 2 3 4 5 6 7 8 9 •1 17 16 14 13 12 11 10 15 18 DATA ANT2 NC VSSRF ANT1 SSOP VSS S2 DATAFSK S3/RFENOUT VDD LED/SHIFT S1 RFENIN CLKOUT PS/DATAASK VDDRF S0 LF 2 3 4 5 6 7 8 9 •1 19 18 16 15 14 13 12 17 20 DATA NC VSSRF ANT2 ANT1 10 11 FSKOUT XTAL KEELOQ® Code Hopping Encoder with UHF ASK/FSK Transmitter |
유사한 부품 번호 - RFHCS362G |
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유사한 설명 - RFHCS362G |
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