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CLRC663 Datasheet(PDF) 104 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 104 Page - NXP Semiconductors |
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104 / 177 page ![]() NXP Semiconductors CLRC663 High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus Bit Symbol Description 3h - pulse starts at beginning of third bit quarter Note: If DMillerEn is set, DPulseType must be set to 1h. 3 DInvert If set the envelope of data is inverted. 2 to 0 DEnvType Specifies the type of envelope used for transmission of data packets. The selected envelope type is applied to the pseudo bit stream. 0h - Direct output 1h - Manchester code 2h - Manchester code with subcarrier 3h - BPSK 4h - RZ (pulse of half bit length at beginning of second half of bit) 5h - RZ (pulse of half bit length at beginning of bit) 6h - RFU 7h - RFU Table 206. TxDataMod bits...continued 9.16.4 TxSymFreq Bit 7 6 5 4 3 2 1 0 Symbol S32SCFreq S32BFreq S10SCFreq S10BFreq Access rights r/w r/w r/w r/w Table 207. TxSymFreq (address 4Ch) Bit Symbol Description 7 S32SCFreq Specifies the frequency of the subcarrier of symbol2 and symbol3: 0b ... 424 kHz 1b ... 848 kHz 6 to 4 S32BFreq Specifies the frequency of the bit stream of symbol2 and symbol3: 000b ... RFU 001b ... RFU 010b ... 26 kHz 011b ... 53 kHz 100b ... 106 kHz 101b ... 212 kHz 110b ... 424 kHz 111b ... 848 kHz 3 S10SCFreq Specifies the frequency of the subcarrier of symbol0 and symbol1: 0b ...424 kHz 1b ...848 kHz 2 to 0 S10BFreq Specifies the frequency of the bit stream of symbol0 and symbol1: 000b ... RFU 001b ... RFU 010b ... 26 kHz 011b ... 53 kHz Table 208. TxSymFreq bits CLRC663 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 5.3 — 3 January 2024 104 / 177 |
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