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OM25180FDKM Datasheet(PDF) 44 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 44 Page - NXP Semiconductors |
44 / 149 page ![]() PN5180 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.0 — 7 October 2016 240930 44 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend 0x91 DPC_GUARD_FAST_ MODE RW 2 15-0 Guard time after AGC fast mode has been triggered. This happens in the following scenarios: - End of Receive - End of Transmit - After a gear switch Time base is 1/20 MHz (Example: Value of 2000 is equal to 100 s) 0x93 DPC_GUARD_SOF_ DETECTED RW 2 15-0 Guard time after SoF or SC detection. This is to avoid any DPC regulation between SoF/SC and actual begin of reception. Time base is 1/20MHz (Example: Value of 2000 is equal to 100 s) 0x95 DPC_GUARD_FIELD_ON RW 2 15-0 Guard time after Gear Switch during FieldOn instruction. Time base is 1/20MHz (Example: Value of 2000 is equal to 100 s) 0x97 up to firmware version 3.5: PCD_SHAPING_LUT_SIZE RW 1 7-0 Number of elements for the PCD Shaping 0x98-0xE7 from firmware version 3.6 onwards: RW 1 7-0 Number of elements for the PCD Shaping and RX settings 4-0 The lower nibble consists of the Number of elements for the PCD Shaping 7-5 The upper nibble consists of the Number of elements for the RxGain. up to firmware version 3.5: PCD_SHAPING_LUT RW 64 - PCD Shaping configuration lookup table: Each word contains the following configuration information: 3-0 DPC Gear 7-4 TAU_MOD_FALLING (Sign bit + 3-bit value) 11-8 TAU_MOD_RISING (Sign bit + 3-bit value) 15-12 RESIDUAL_CARRIER (Sign bit + 3-bit value) 31-16 Bitmask identifying technology and baud rate: 0000b - A106 0001b - A212 0010b - A424 0011b - A848 0100b - B106 0101b - B212 0110b - B424 0111b - B848 1000b -F212 1001b -F424 1010b - 15693 ASK 100 1011b - 15693 ASK 10 1100b - ISO18000 3M3 Table 41. EEPROM Addresses …continued EEPROM Address (HEX) Field / Value Access Size (bytes) Bits Comments |
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