Philips PCF7991AT
The PCF7991AT is a fully integrated Advanced Basestation IC, ABIC, designed for car immobilizer systems providing read and write access to an identification transponder. The device is intended for use with the Philips transponder family (PCF79xx) as well as other transponder types operating at 125 kHz and employing ASK, Amplitude Shift Keying for write and AM/PM for the read operation. The receiver characteristics (amplifier gain, filter cutoff frequencies) can be optimized to system and transponder requirements.| Part No. | PCF7991AT |
|---|---|
| Datasheet | PCF7991AT Download |
| Manufacturer |  Philips |
| Description | Advanced Basesation-IC |
| Buy | Stock & Price |
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION BLOCK DIAGRAM QUICK REFERENCE DATA PINNING INFORMATION Pinning Diagram PinDESCRIPTION
MINIMUM APPLICATION CIRCUITRY FUNCTIONALDESCRIPTION
Power Supply Antenna driver Modulator Oscillator Receiver Synchron Demodulator Bandpass Filter, Amplifier and Digitizer Phase Measurement Determining the Sampling Time Data Amplitude Comparison System Diagnostics Power-on reset Power-down modes Serial Interface Serial Interface Mode COMMAND SET READ_TAG WRITE_TAG_N WRITE_TAG READ_PHASE SET_SAMPLING_TIME GET_SAMPLING_TIME SET_CONFIG_PAGE GET_CONFIG_PAGE LIMITING VALUES DC CHARACTERISTICS AC CHARACTERISTICS PACKAGE DEFINITIONS LIFE SUPPORTAPPLICATIONS
Product Specification (Rev. 1998 Apr 20) PCF7991AT printed 1998 Apr 20 2 Philips Semiconductors Advanced Basestation IC Product Specification (Rev. 1998 Apr 20) PCF7991AT 1FEATURES
● Fully integrated single chip basestation● Compatible with PCF79xx transponder family
● Robust antenna coil power driver s...
