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OM25180FDKM Datasheet(PDF) 50 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 50 Page - NXP Semiconductors |
50 / 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 50 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend If the boot process is finished (indicated by the IDLE IRQ), the pin is switched to output mode and the pin can be used for general debug purpose. Recommended sequence is to set the RESET_N level to 0, set AUX2 pin level to 1 and release RESET_N to 1. Exiting the download mode is performed by setting the AUX2 pin to 0 and perform a reset of the PN5180. 11.7.2 Firmware update command set The PN5180 uses a dedicated host interface command set for download of new firmware. The physical SPI host interface is used for download of a new firmware image. Security features are implemented to avoid intentional or unintentional modifications of the firmware image. The access to the IC is locked based on authentication mechanism to avoid unauthorized firmware downloads. The integrity of the firmware is ensured based on a secure hash algorithm, The Firmware image can be identified based on a version number, which contains major and minor number. For security reasons, the download of a smaller major version number than currently installed on the PN5180 is not possible. 11.8 RF Functionality 11.8.1 Supported RF Protocols 11.8.1.1 ISO/IEC14443 A/MIFARE functionality The physical level of the communication is shown in Figure 19. |
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