No. | parte # | Fabricante | Descripción | Hoja de Datos |
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Microchip Technology |
KEE LOQ Code Hopping Encoder Security • • • • • • Programmable 28-bit serial number Programmable 64-bit encryption key Each transmission is unique 66-bit transmission code length 32-bit hopping code 34-bit fixed code (28-bit serial number, 4-bit button code, 2-bit status) • Encry |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER Security • • • • • • Programmable 28/32-bit serial number Programmable 64-bit encryption key Each transmission is unique 67-bit transmission code length 32-bit hopping code 35-bit fixed code (28/32-bit serial number, 4/0-bit function code, 1-bit statu |
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Microchip Technology |
KEELOQ Code Hopping Encoder Security • • • • • • Programmable 28-bit serial number Programmable 64-bit encryption key Each transmission is unique 66-bit transmission code length 32-bit hopping code 34-bit fixed code (28-bit serial number, 4-bit button code, 2-bit status) • Encr |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER Security • Programmable 28-bit serial number • Programmable 64-bit encryption key • Each transmission is unique • 66-bit transmission code length • 32-bit hopping code • 34-bit fixed code (28-bit serial number, 4-bit button code, 2-bit status) • Encr |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER Security • • • • • • Programmable 28/32-bit serial number Programmable 64-bit encryption key Each transmission is unique 67-bit transmission code length 32-bit hopping code 35-bit fixed code (28/32-bit serial number, 4/0-bit function code, 1-bit statu |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER AND TRANSPONDER |
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Microchip Technology |
KEELOQ CODE HOPPING DECODER Security • • • • • Secure storage of Manufacturer’s Code Secure storage of transmitter’s keys Up to four transmitters can be learned KEELOQ code hopping technology Normal and secure learning mechanisms PDIP, SOIC LRNIN LRNOUT NC MCLR GND S0 S1 S2 S3 |
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Microchip Technology |
KEELOQ CODE HOPPING DECODER Security • • • • • Encrypted storage of manufacturer’s code Encrypted storage of encoder decryption keys Up to seven transmitters can be learned KEELOQ code hopping technology Normal and secure learning mechanisms HCS515 Code Hopping Decoder PACKAGE |
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Microchip Technology |
Code Hopping Encoder and Transponder Security • • • • • Programmable 64-bit encoder crypt key Two 64-bit IFF keys Keys are read protected 32-bit bi-directional challenge and response using one of two possible keys 69-bit transmission length • 32-bit hopping code, • 37-bit nonencrypted p |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER Security • Programmable 28-bit serial number • Programmable 64-bit crypt key • Each transmission is unique • 66-bit transmission code length • 32-bit hopping code • 28-bit serial number, 4-bit button status, low battery indicator transmitted • Crypt |
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Microchip Technology |
KEELOQ CODE HOPPING ENCODER Security • Encrypted Storage of Manufacturer’s Code • Encrypted Storage of Crypt Keys • Up to Seven Transmitters can be Learned • KEELOQ Code Hopping Technology • Normal and Secure Learning Mechanisms Operating • 3.0V—5.5V Operation • Internal Oscil |
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Microchip Technology |
KeeLoq Security: KeeLoq HCS410 Transponder Decoder Using a PIC16C56 |
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