
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
4
Confidential
10.3
10.4
Stand By Mode....................................................................................................................................94
Receiver Power Down.........................................................................................................................94
11
11.1
11.2
11.3
11.4
START UP PHASE.............................................................................................................................95
Hard Power Down Phase....................................................................................................................95
Reset Phase........................................................................................................................................95
Initialising Phase .................................................................................................................................95
Initialising the Parallel Interface-Type.................................................................................................96
12
OSCILLATOR CIRCUITRY ................................................................................................................97
13
13.1
13.2
13.3
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
TRANSMITTER PINS TX1 AND TX2.................................................................................................98
Configuration of TX1 and TX2.............................................................................................................98
Operating Distance versus Power Consumption ................................................................................99
Antenna Driver Output Source Resistance.........................................................................................99
14
14.1
14.2
14.3
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
RECEIVER CIRCUITRY ...................................................................................................................103
General..............................................................................................................................................103
Block Diagram...................................................................................................................................103
Putting the Receiver into Operation..................................................................................................104
15
15.1
15.2
15.3
15.3.1
Active Antenna Concept....................................................................................................................109
15.3.2
Driving Two RF-Parts........................................................................................................................109
SERIAL SIGNAL SWITCH ...............................................................................................................107
General..............................................................................................................................................107
Block Diagram...................................................................................................................................107
Registers Relevant for the Serial Signal Switch................................................................................108
16
MIFARE
HIGHER BAUDRATES....................................................................................................110
17
ISO14443 B.......................................................................................................................................111
18
18.1
18.2
18.3
18.3.1
Basic States ......................................................................................................................................114
18.3.2
StartUp Command 3F
hex
....................................................................................................................114
CL RC632 COMMAND SET.............................................................................................................112
General Description...........................................................................................................................112
General Behaviour ............................................................................................................................112
CL RC632 Commands Overview......................................................................................................112