CLRC63201TSLASH0FE datasheet(4/163 Pages) PHILIPS

4 / 163 page

Philips Semiconductors

Product Specification Rev. 3.0; May 2003

Multiple Protocol Contactless Reader IC

CL RC632

Confidential

10.3

Stand By Mode....................................................................................................................................94

10.4

Receiver Power Down.........................................................................................................................94

START UP PHASE .............................................................................................................................95

11.1

Hard Power Down Phase ....................................................................................................................95

11.2

Reset Phase........................................................................................................................................95

11.3

Initialising Phase .................................................................................................................................95

11.4

Initialising the Parallel Interface-Type .................................................................................................96

OSCILLATOR CIRCUITRY ................................................................................................................97

TRANSMITTER PINS TX1 AND TX2 .................................................................................................98

13.1

Configuration of TX1 and TX2.............................................................................................................98

13.2

Operating Distance versus Power Consumption ................................................................................99

13.3

Antenna Driver Output Source Resistance .........................................................................................99

13.3.1 Source Resistance Table ..................................................................................................................100

13.3.2 Formula for the Source Resistance...................................................................................................101

13.3.3 Calculating the Effective Source Resistance ....................................................................................101

13.4

Pulse Width .......................................................................................................................................102

RECEIVER CIRCUITRY ...................................................................................................................103

14.1

General..............................................................................................................................................103

14.2

Block Diagram ...................................................................................................................................103

14.3

Putting the Receiver into Operation ..................................................................................................104

14.3.1 Automatic Clock-Q Calibration ..........................................................................................................104

14.3.2 Amplifier.............................................................................................................................................105

14.3.3 Correlation Circuitry...........................................................................................................................106

14.3.4 Evaluation and Digitizer Circuitry ......................................................................................................106

SERIAL SIGNAL SWITCH ...............................................................................................................107

15.1

General..............................................................................................................................................107

15.2

Block Diagram ...................................................................................................................................107

15.3

Registers Relevant for the Serial Signal Switch................................................................................108

15.3.1 Active Antenna Concept....................................................................................................................109

15.3.2 Driving Two RF-Parts ........................................................................................................................109

MIFARE

® HIGHER BAUDRATES ....................................................................................................110

ISO14443 B.......................................................................................................................................111

CL RC632 COMMAND SET .............................................................................................................112

18.1

General Description...........................................................................................................................112

18.2

General Behaviour ............................................................................................................................112

18.3

CL RC632 Commands Overview ......................................................................................................112

18.3.1 Basic States ......................................................................................................................................114

18.3.2 StartUp Command 3Fhex....................................................................................................................114

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