CLRC632 Datasheet, PDF (78/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
Product Specification Rev. 3.0; May 2003
CL RC632
6.3.4 CONTENT OF I●CODE1 AND ISO15693 START UP REGISTER VALUES
To enable the I●CODE1 functionality the following table gives an overview on the start up values for
communication according t to the I●CODE1 and ISO15693 scheme
E²PROM Byte
Address
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
Reg.
Address
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
Value
Description
00 Page: free for user
58
TxControl: Transmitter pins TX1 and TX2 switched off, bridge driver configuration,
modulator driven from internal digital circuitry
3F CwConductance: Source resistance of TX1 and TX2 to minimum.
05
ModGsCfg: Source resistance of TX1 and TX2 at the time of Modulation, to determine the
modulation index
2C CoderControl: Selects the bit coding mode and the framing during transmission
3F
ModWidth: Pulse width for “used code (1 out of 256, RZ or 1 out of 4)” pulse coding is set to
standard configuration.
3F ModWidthSOF Pulse width of SOF
00 TypeBFraming
00 Page: free for user
8B RxControl1: Amplifier gain is maximum.
00 DecoderControl: A bit-collision always evaluates to HIGH in the data bit stream.
54 BitPhase: BitPhase is set to standard configuration.
68 RxThreshold: MinLevel and CollLevel are set to maximum.
00 BPSKDemControl
41
RxControl2: Use Q-clock for the receiver, ‘Automatic Receiver Off’ is switched on,
decoder is driven from internal analog circuitry.
00 ClockQControl: Automatic Q-clock Calibration’ is switched on.
00 Page: free for user
08 RxWait: Frame Guard Time is set to six bit clocks.
0C ChannelRedundancy: Channel Redundancy is set according to I●CODE1.
FE CRCPresetLSB: CRC-Preset value is set according to I●CODE1.
FF CRCPresetMSB: CRC-Preset value is set according to I●CODE1.
00 TimeSlot Period : defines the time for the I●CODE1 time slots
00 MFOUTSelect: Pin MFOUT is set to LOW.
00 PreSet27
00 Page: free for user
3E FIFOLevel: WaterLevel: FIFO buffer warning level is set to standard configuration.
0B TimerClock: TPreScaler is set to standard configuration, timer unit restart function is switched off.
02 TimerControl: Timer is started at the end of transmission, stopped at the beginning of reception.
00 TimerReload: TReloadValue: the timer unit preset value is set to standard configuration
02 IRQPinConfig: Pin IRQ is set to high impedance.
00 PreSet2E
00 PreSet2F
Table 6-7: Content of I●CODE1 Start Up Configuration
6.4 Crypto1 Keys (Write Only)
The MIFARE^® Classic security requires specific keys to encrypt the communication on the contactless
interface. These keys are named as crypto1 keys.
78
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