NXP Semiconductors NFC Tandem, Руководство пользователя, Страница: 9 / 18

NXP Semiconductors
NFC Tandem User Manual
447202 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
User manual Rev. 0.2 — 17 August 2018
COMPANY PUBLIC 9 / 18
Figure 6. NFC Tandem reader matching re-adjusting
3.2.4 Step 4 - Check Ntag tuning
•
Enable NTAG mode (see Step 1)
• Check resonance frequency
– Use contactless method to check reflection on the antenna
– Should be around 14.0 – 14.5 MHz
3.3 Software
Even if sharing the same I
2
C bus, PN7150 and NTAG I
2
C plus are independent from
software perspective.
Refer to the respective software support for more information:
For PN7150 refer to
[1] , and for NTAG I
2
C plus see [2] .