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OM25180FDKM Datasheet(PDF) 37 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 37 Page - NXP Semiconductors |
37 / 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 37 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend RETRIEVE_RF_CONFIG Description: This command is used to read an RF configuration. The register content available in the response. In order to know how many pairs are to be expected, the command RETRIEVE_RF_CONFIGURATION_SIZE has to be executed first. The payload parameters passed following the little endian approach (Least Significant Byte first). Condition: The field 'RF configuration ID' must be in the range from 0x00-0x1C or 0x80-0x9C, inclusive. If the condition is not fulfilled, an exception is raised. RF_ON Description: This command is used to switch on the internal RF field. If enabled the TX_RFON_IRQ is set after the field is switched on. RF_OFF Description: Table 35. RETRIEVE_RF_CONFIG PARAMETERS Payload length (byte) Value/Description Command code 10x14 Parameter 1 RF configuration ID: RF configuration for which the number of 32-bit registers has to be retrieved. Response 0...39 Array of up to 39 elements {RegisterAddress, RegisterContent} 1 byte RegisterAddress: Address of the register to read 4 bytes RegisterContent: Data of register addressed by this element Table 36. RF_ON Payload length (byte) Value/Description Command code 1 0x16 Parameter 1 Bit0 == 1: disable collision avoidance according to ISO18092 Bit1 == 1: Use Active Communication mode according to ISO18092 Response - - Table 37. RF_OFF Payload length (byte) Value/Description Command code 1 0x17 Parameter 1 dummy byte, any value accepted Response - - |
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