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NXP Semiconductors
UM10883
PN7462 family Quick Start Guide - Development Kit
UM10883
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.6 — 14 May 2018
319816
23 of 120
8. GPIO header and LEDs
9. USB interface - micro USB connector X3
Note: on the bottom side is placed smartcard connector
4.2.1 Power circuitry
The power circuit consists of the power socket, diode bridge, selection jumper JP2 and
two low dropout linear voltage regulators. Power options include USB and External but
for the best performance external power source is recommended.
Fig 24. PNEV7462C supply
4.2.2 PN7462AU block
The main part on the evaluation board is PN7462AU. It features a 32-bit ARM Cortex-
M0-based NFC microcontroller offering a one chip solution to build contact and
contactless applications.
Key features are:
•
20 MHz Cortex-M0 core
-
80/160 kB Flash, 12 kB RAM, 4 kB EEPROM
•
State-of-the-art RF interface: Full NFC, EMVCo 2.6
-
Read/Write, Card Emulation & Peer-to-Peer Modes
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Transmitter current up to 250 mA
-
Full MIFARE family support,
•
DPC for optimized antenna performance
•
Extensive host and peripheral interfaces
-
Host/slave & master interfaces: I2C, SPI, USB, HSUART, I2CM, SPIM
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Optional contact interface (PN7462): UART, ISO/IEC 7816, EMVCo 4.3
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12 to 21 GPIOs