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CLRC663 Datasheet(PDF) 71 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 71 Page - NXP Semiconductors |
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CLRC663 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.3 — 3 April 2012 171133 71 of 132 NXP Semiconductors CLRC663 Contactless reader IC 9.6.3 RxBitCtrl Receiver control register. Table 69. Status register (address 0Bh) Bit 7 6 5 4 3 2 1 0 Symbol - - Crypto1On - - ComState Access rights RFURFU dy RFURFU r Table 70. Status bits Bit Symbol Description 7to 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. 4to3 - 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 Table 71. RxBitCtrl register (address 0Ch); Bit 7 6 5 4 3 2 1 0 Symbol ValuesAfterColl RxAlign NoColl RxLastBits Access rights r/w r/w r/w w Table 72. RxBitCtrl bits Bit Symbol Description 7 ValuesAfter Coll If cleared, every received bit after a collision is replaced by a zero. This function is needed for ISO/IEC14443 anticollision |
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