CLRC632 Datasheet, PDF (3/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.4
6.4.1
6.4.2
Register Initialisation Files (Read/Write) .............................................................................................75
Start Up Register Initialisation File (Read/Write).................................................................................75
Shipment Content of Start Up Register Initialisation File ....................................................................76
Register Initialisation File (Read/Write)...............................................................................................77
Content of I●CODE1 and ISO15693 STart Up Register Values.........................................................78
Crypto1 Keys (Write Only)...................................................................................................................78
Key Format..........................................................................................................................................79
Storage of Keys in the E²PROM .........................................................................................................79
7
7.1
7.2
7.2.1
7.3
7.4
7.5
FIFO BUFFER.....................................................................................................................................80
Overview..............................................................................................................................................80
Accessing the FIFO Buffer ..................................................................................................................80
Access Rules.......................................................................................................................................80
Controlling the FIFO-Buffer .................................................................................................................81
Status Information about the FIFO-Buffer ...........................................................................................81
Register Overview FIFO Buffer ...........................................................................................................82
8
8.1
8.1.1
8.2
8.2.1
8.2.2
8.3
8.4
INTERRUPT REQUEST SYSTEM .....................................................................................................83
Overview..............................................................................................................................................83
Interrupt Sources Overview.................................................................................................................83
Implementation of Interrupt Request Handling....................................................................................84
Controlling Interrupts and their Status.................................................................................................84
Accessing the Interrupt Registers .......................................................................................................84
Configuration of Pin IRQ .....................................................................................................................84
Register Overview Interrupt Request System .....................................................................................85
9
9.1
9.2
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.3
9.3.1
9.3.2
9.3.3
9.3.4
9.4
TIMER UNIT ........................................................................................................................................86
Overview..............................................................................................................................................86
Implementation of the Timer Unit ........................................................................................................87
Block Diagram .....................................................................................................................................87
Controlling the Timer Unit....................................................................................................................88
Timer Unit Clock and Period ...............................................................................................................88
Status of the Timer Unit.......................................................................................................................89
TimeSlotPeriod ....................................................................................................................................89
Usage of the Timer Unit ......................................................................................................................90
Time-Out- and Watch-Dog-Counter ....................................................................................................90
Stop Watch ..........................................................................................................................................91
Programmable One-Shot Timer ..........................................................................................................91
Periodical Trigger ................................................................................................................................91
Register Overview Timer Unit .............................................................................................................92
10 POWER REDUCTION MODES ..........................................................................................................93
10.1 Hard Power Down ...............................................................................................................................93
10.2 Soft Power Down.................................................................................................................................93
3
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