NXP Semiconductors UM108 Series, Руководство пользователя, Страница: 5 / 23

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UM108xx All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved.
User manual Rev. 1.0 — 14 June 2016 5 of 23
NXP Semiconductors
UM108xx
QN9022 mini DK user guide
Fig 3. The QN9022 board bottom view
Table 1. QN9022 board components list
Number Name Description
1 J-Link OB ATSAM3U2C; used to offer SWD and UART
interfaces for QN9022 debug and communication
2 connector optional; used for connecting sensor board
3 debug port debug port for ATSAM3U2CA
4 mini USB port power and communication port
5 power source select jumper used for power source selection; see Section 2.3
6 current measurement jumper used to measure the QN9022 device power
consumption
7 LDO (TPS73630) 5 V to 3 V regulator
8 button1 used as input; see Section 2.9
9 button2 used as input; see Section 2.9
10 LED2 used as output; see Section 2.8
11 QN9022 GPIO port used for interface extension
12 LED1 used as output; see Section 2.8
13 SWD resistors zero ohm resistors; shorted for QN9022 device
debug
14 UART interface used as communication port for QN9022 device
15 PCB antenna onboard Bluetooth antenna
16 QN9022 chip QN9022 chip
17 QN9022 reset button used for QN9022 hardware reset
18 CR2032 battery holder CR2032 battery holder
19 piezo buzzer buzzer: KLJ-1230
20 jumper used for power cycle ATSAM3U2CA
21 External flash Used for storing application firmware