User's Manual

H&D Wireless AB, SPB209A Application Note page 5 ( 14)

1453- SPB209A Rev E

GPIO13

BT/NFC to Host Wake

GPIO14

Host to WLAN Wake

GPIO15

Host to BT/NFC Wake

2.5.5 NFC Wake up

The NFC support contactless wake up functionality giving a trigger on a GPIO pin depending on the activities

on the RF interface, when an antenna is connected to the NFC_ANT P and _N pins.

2.6 NFC Interface

The NFC Interface provides RFID and NFC functionality.

Supported features:

 Protocol support fir ISO 14443A/B, ISO 15693, NFCIP-2, NFC-Forum, EMV contactless targets with a

data rate up to 848 Kbps.

 Reader/Writer, Card Emulation and Peer-to-Peer (P2P) modes

 Low Power and sleep modes

 Programmable Carrier detection level for Card Emulation mode

 Programmable field detection level for RF anti-collision when operating as Reader or Active Target.

The NFC chip can also be accessed via the I2C interface pin SDA and SCL provided that the SPB209A device

is powered. Support standard 100kHz and Fast 400kHz mode.

2.7 RF interface

The SPB209A EVK is prepared with a chip dual band antenna optimal for quick evaluation of the SPB209A

RF module.

Designing custom application board with the SPB209A RF module the following RF parametrical

requirements shall be considered:

 The RF output pin impedance is 50 ohm and shall be connected to an antenna with VSWR better

than 2:1.

 The RF antenna gain must be maximum 1.8 dBi for the 2.4 GHz band and equal or less than 4.9 dBi

for the 5GHz band. The exception is when using Chip Antenna WE-MCA: 7488910245 that has a

peak gain of 3.0 dBi but is only approved to be used in the 2.4 GHz band.

A custom NFC antenna will need to be selected with a maximum size of 45 x 45 mm. NFC antenna is

soldered down with two pin interface to the side of the SPB209A EVK.

For further information, please refer to the document “Hardware Design Guide SPB209A Application Note”.

2.8 Operational Mode

2.8.1 General

The SPB209A can be operated as STA or AP using a Linux Host platform. The STA operation use the Linux

WPA supplicant and the AP operation us Linux HostAPD. RF testing and FCC/ETSI certification shall use

equivalent software tools provided by H&D Wireless Sales up on request.