CLRC632 Datasheet, PDF (41/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
5.2.3.5 CoderControl Register
sets the clock rate and the coding mode
Name: CoderControl
Address:0x14
Product Specification Rev. 3.0; May 2003
CL RC632
Reset value: 00011001, 0x19
7
6
SendOne
0
Pulse
Access
r/w
r/w
Rights
5
4
3
CoderRate
r/w
r/w
r/w
2
1
0
TxCoding
r/w
r/w
r/w
Description of the bits
Bit
Symbol
Function
7 SendOnePulse Set to 1, forces to generate only one Mudulation (for ISO 15693 only). This is
used to switch to the next TimeSlot if the Inventory command is used.
This bit is not cleared automatically, it has to be re-set to 0 by the user.
6
0
These values shall not be changed
5-3
CoderRate This register defines the clock rate for Coder Circuit
000: MIFARE^® 848 kBaud
001: MIFARE^® 424 kBaud
010: MIFARE^® 212 kBaud
011: MIFARE^® 106 kBaud; ISO14443 A
100: ISO 14443-B
101: For I●CODE1 standard mode and ISO 15693 (~52.97kHz)
110: For I●CODE1 fast mode (~26.48kHz)
111: RFU
2-0
TxCoding
This register defines the bit coding Mode and Framing during Transmission
000: NRZ according ISO14443-B
001: MIFARE^®, ISO14443-A, (Miller coded)
010: RFU
011: RFU
100: For I●CODE1 standard mode (1 out of 256 coding)
101: For I●CODE1 fast mode (RZ coding)
110: For ISO 15693 standard mode (1 out of 256 coding)
111: For ISO 15693 fast mode (1 out of 4 coding)
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