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NXP Semiconductors PN5180 - 4.2 PN5180 Register access

NXP Semiconductors PN5180
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NXP Semiconductors
AN11744
PN5180 Evaluation board quick start guide
AN11744 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
Application note Rev. 1.3 — 2 February 2018
COMPANY PUBLIC 371213 18 / 45
1. 0x6a = Get Application ID command of MIFARE DESFire EV1
Figure 17. PN5180 NFC Cockpit: Activation of a MIFARE DESFire EV1 card + Get Application ID
Similar functionality does exist for ISO/IEC 14443 A and B, for NFC type F, for ISO/IEC
15693 and I-Code ILT communication.
Be aware that a LOAD_RF_CONFIG command must be executed manually before the
corresponding protocol settings are loaded from the EEPROM into the registers. This can
be used to perform
1. <Load Protocol> (e.g. type A 106)
2. <Field On>
3. <Single REQA> (using the EEPROM settings)
4. Select a TX register, e.g. RF_CONTROL_TX, enable
TX_SET_BYPASS_SC_SHAPING
5. Change some register bits, and write back into RAM
6. <Single REQA> shows the register changes (probing the field and checking the
envelop)
This allows an easy and quick optimization of Tx and Rx parameters before changing the
EERPOM.
1. <Load Protocol> (e.g. type A 106)
2. <Single REQA> (using again the EEPROM settings)
4.2 PN5180 Register access
The PN5180 NFC Cockpit allows the reading and writing of all the PN5180 registers (see
Fig 18).

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