OM25180FDKM datasheet(50/149 Pages) NXP

Part #	OM25180FDKM

Description	High-performance multi-protocol full NFC Forum-compliant frontend

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Manufacturer	NXP [NXP Semiconductors]

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PN5180

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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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