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OM25180FDKM Datasheet(PDF) 36 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 36 Page - NXP Semiconductors |
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36 / 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 36 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend Description: This instruction is used to update the RF configuration within the EEPROM. The command allows updating dedicated EEPROM addresses, in case the complete set does not require to be updated. The payload parameters passed following the little endian approach (Least Significant Byte first). Condition: The size of the array of ‘Configuration data’ must be in the range from 1 – 42, inclusive. The array data elements must contain a set of ‘RF Configuration byte’, ‘Register Address’ and ‘Value’. The field ‘RF Configuration byte’ must be in the range from 0x00 – 0x1C or 0x80-0x9C, inclusive. The address within field ‘Register Address’ must exist within the respective RF configuration. The ‘Register Value’ contains a value which will be written into the given register and must be 4 bytes long. If the condition is not fulfilled, an exception is raised. RETRIEVE_RF_CONFIG_SIZE Description: This command is used to retrieve the size (number of 32-bit registers) of a given RF configuration. The size is available in the response to this instruction. 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. Parameter 1...42 Array of up to 42 elements {RF configuration byte, Register Address, Register value} 1 byte RF Configuration byte: RF configuration for which the register has to be changed. 1 byte Register Address: Register Address within the given RF technology. 4 bytes Register value: Value which has to be written into the register. Response - - Table 34. RETRIEVE_RF_CONFIG_SIZE PARAMETERS Payload length (byte) Value/Description Command code 1 0x14 Parameter 1 RF configuration ID: RF configuration for which the number of registers has to be retrieved. Response 1 Number of registers for the selected “RF configuration ID” Table 33. UPDATE_RF_CONFIG PARAMETERS Payload length (byte) Value/Description |
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