CLRC663 Datasheet, PDF (71/132 Pages) NXP Semiconductors – Contactless reader IC

NXP Semiconductors
CLRC663
Contactless reader IC
Table 69. Status register (address 0Bh)
Bit
7
6
5
Symbol
-
-
Crypto1On
Access
RFU
RFU
dy
rights
4
-
RFU
3
-
RFU
2
1
0
ComState
r
Table 70. Status bits
Bit
Symbol Description
7 to 6 -
RFU
5
Crypto1On Indicates if the MIFARE Crypto is on. Clearing this bit is switching the
MIFARE Crypto off. The bit can only be set by the MFAuthent command.
4 to 3 -
RFU
2 to 0 ComState ComState shows the status of the transmitter and receiver state machine:
000b ... Idle
001b ... TxWait
011b ... Transmitting
101b ... RxWait
110b ... Wait for data
111b ... Receiving
100b ... not used
9.6.3 RxBitCtrl
Receiver control register.
Table 71. RxBitCtrl register (address 0Ch);
Bit
7
6
5
4
Symbol
ValuesAfterColl
RxAlign
Access
r/w
r/w
rights
3
NoColl
r/w
2
1
0
RxLastBits
w
Table 72. RxBitCtrl bits
Bit
Symbol
Description
7
ValuesAfter If cleared, every received bit after a collision is replaced by a zero. This
Coll
function is needed for ISO/IEC14443 anticollision
CLRC663
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.3 — 3 April 2012
171133
© NXP B.V. 2012. All rights reserved.
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