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PCF7941

Philips
Part Number PCF7941
Manufacturer Philips
Description Security Transponder and RISC Controller
Published Jul 2, 2006
Detailed Description www.DataSheet4U.com Philips Semiconductors Preliminary Information Product Profile Security Transponder and RISC Cont...
Datasheet PDF File PCF7941 PDF File

PCF7941
PCF7941

Overview
www.
DataSheet4U.
com Philips Semiconductors Preliminary Information Product Profile Security Transponder and RISC Controller, STARC lite Features • Compatible with Security Transponder, PCF7936AS.
• RISC Programmable Keyless Entry features • 384 Bit EEPROM • 16-Pin SO package Transponder • 64/32 bit mutual authentication calculation unit • 32 bit unique device identification number • 48 t bit Secre Key • Fast mutual authentication (39 ms) • EEPROM read/write protection capability • Excellent 5 sensitivity in read and write mode (3 µT) RISC Controller • Advanced 8-bit RISC architecture • 4 Kbyte ROM, 64 Byte RAM • On-chip < RC oscillator ( ±10%) • Short instruction execution time (as fast as 1µs) • 11 I/O ports, general purpose • Code hopping based on transponder calculation unit • Code hopping synchronization via transponder • Clock input to serve as external data rate reference • Programmable battery low detection • Low power consumption (300 µA, PD 300 nA) • Single battery cell ope...


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