PCF7991AT PDF Datasheet
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Description
This is Advanced Basesation IC. INTEGRATED CIRCUITS
DATA SHEET
PCF7991AT Advanced Basestation IC
Product Speci cation (Rev. 1998 Apr 20)
printed 1998 Apr 20
Philips Semiconductors
Advanced Basestation IC
CONTENTS
1
2
3
4
5
6
6.1 6.2
7
8
8.1 8.2 8.3 8.4 8.5 8.5.1 8.5.2 8.5.3 8.5.4 8.5.5 8.5.6 8.6 8.7 8.8 8.8.1
9
9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8
10
11
12
13
14
15
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
BLOCK DIAGRAM
QUICK REFERENCE DATA
PINNING INFORMATION
Pinning Diagram Pin Description
MINIMUM APPLICATION CIRCUITRY
FUNCTIONAL DESCRIPTION
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
DEFI.