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PCF7946AT

Philips
Part Number PCF7946AT
Manufacturer Philips
Description Security Transponder Plus Remote Keyless Entry
Published Dec 19, 2007
Detailed Description www.DataSheet4U.com Philips Semiconductors Product Profile Security Transponder plus Remote Keyless Entry, HITAG2PLUS F...
Datasheet PDF File PCF7946AT PDF File

PCF7946AT
PCF7946AT

Overview
www.
DataSheet4U.
com Philips Semiconductors Product Profile Security Transponder plus Remote Keyless Entry, HITAG2PLUS Features • Compatible with Security Transponder, PCF7936AS.
• Rolling Code Generator for keyless entry • 14-pin SO package Transponder • 64/32 bit mutual authentication • 32 bit unique device identification number • Fast authentication, 39ms • 48 bit Secret Key • 128 bit user memory (EEPROM) • EEPROM read/write in cipher mode • EEPROM read/write protection capability • Excellent sensitivity in read and write mode Code Hopping Generator • Four user buttons (15 + 1 commands) • LED acknowledgment of transmission • 42 bit unidirectional code hopping • 48 bit Remote Secret Key • 114 bit message with run-in, device identification, function code, terminator and parity bits • Automatic code synchronisation via transponder • Programmable data rate and frame repetition rate • Clock input to support external data rate reference • Manchester encoding General Description PCF7946AT...


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