NXP Semiconductors QN908 series Bedienungsanleitung

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DK User Guide

Rev. <MM.mm> — 27 April 2016 DK User Guide

Document information

Info Content

Keywords QN908x DK, User Guide

Abstract This document is an introduction of QN908x DK V1.2 board

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NXP Semiconductors

QN908x

DK User Guide

<DOC_ID> All information provided in this document is subject to legal disclaimers.

Application note

Rev. <

.mm>

—

27 April 2016

Contact information

For more information, please visit: http://www.nxp.com

Revision history

Rev Date Description

0.1 20160818 Initial release

0.2 20160908 Update Figures, schematics and PCB layout according to QN908x DK board V1.0, add

QN9080 QFN Module board information.

0.3 20161110 Update pictures, schematics according to QN908x DK board V1.1, add current test using

DC Power Analyzer. Add notes about using battery as power supply for QN9080 module.

0.4 20170117 Update pictures, schematics according to QN908x DK board V1.2, and change the jumper

default settings.

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QN908x

<DOC_ID> All information provided in this document is subject to legal disclaimers.

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Rev. <MM.mm>

—

27 April 2016

1. Introduction

QN908x DK board is designed for QN908x HVQFN and WLCSP package IC evaluation

and development. It is very convenient to evaluate QN908x’s functions and performance.

There are also some useful peripherals, like GPIOs, PMod and Arduino interface. J-Link

and J-Trace functions are all supported for debugging QN908x. ISP download function is

also supported and very easy to use.

1.1 Purpose

This document introduces all functions of QN908x DK V1.2 board,and descripts all parts

on QN908x DK V1.2 board in details.

1.2 Kit contents

The QN9080 DK includes the following:

•QN9080DK board

•QN9080 USB dongle

•USB cable

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QN908x

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2. Hardware description

The QN9080 DK board provides easy access to peripherals such as

buttons, piezo buzzer and LED. The board also provides useful interfaces such as a USB

port for UART communication and CMSIS-DAP debug, and standard Arduino & Pmod

connector.

A USB dongle is a Bluetooth device powered by the QN9080. It acts as a master/slave

when

communicating with the QN9080 devices..

2.1 Hardware overview

QN908x DK V1.2 board is shown in Figure 1. The detailed information is listed in Table 1.

Figure 1 Board overview

Table 1 QN908x DK V1.2 board’s mar information list.

Number Name Description

1 QN908x USB port

QN908x USB Port, it provides power supply to the

whole board and USB signal path to QN908x

Module

2 LPC4322 USB port

LPC4322 USB Port, it provides power supply to the

whole board and the USB signal path is connected

to LPC4322

3 LPC4322 LPC4322 works as JTAG/SWD Link bridge

4 QN908x Module QN908x Module board has two types of board

according to QN908x chip package: HVQFN and

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WLCSP

5 Jumper JP1

Jumper to select JTAG/SWD Link bridge target,

Open: On board target (Default)

Short: Off board target

6 Jumper JP5

Jumper to set LPC4322 DFU mode,

Short: DFU mode enable

Open: Normal mode (Default)

7 Jumper JP7

QN908x Module power supply voltage select

Jumper:

1-2: 1.8V Power supply

2-3: 3.0V Power supply

8 Jumper JP8

Jumper to select QN908x ISP UART path mode,

Short: UART path enable (Default)

Open: UART path disable

9 Jumper JP11

Jumper to select QN908x external I2C path mode,

Short: I2C path enable (Default)

Open: I2C path disable

10 Header J5 and J7 QN908x GPIO for test and compatible to Arduino

board interface

11 Header J4 and J6 QN908x GPIO for test and compatible to Arduino

board interface

12 Jumper JP12,

JP13, JP14 Jumper to select Power Consumption Test

13 Header J8 PMod interface connector, compatible to PMod

14 J-Link Connector Used to offer JTAG/SWD interfaces for off-board

target

15 Jumper JP2 Jumper to select QN908x Power supply source,

on-board power or EXT power

16 Button3 SW3 Button3 used to reset QN908x chip

17 Button1 SW1 Button1 is a function button defined by user

18 Button2 SW2 Button2 is a function button defined by user

19 Jumper JP15 Jumper used to enable QN908x chip mode function

20 GND Pin GND pin used as test ground pin

21 Jumper JP16 Jumper used to cut off USB leakage, when DK

board powered by battery

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2.2 Default jumper settings on DK board

s shown in Figure 2, power, JTAG/SWD, UART and I2C enable jumpers are connected

in default. Table 2 and Table 3 show jumper’s function and how to connect.

Figure 2 Board jumper default settings

Table 2 QN9080A MINIDK board’s default jumper settings

Jumper Jumpers Setting Function

JP2 Pin 1,2 shorted QN908x on-board power

JP7

Pin 1,2 shorted QN908x’s power(1.8V)

Pin 2,3 shorted QN908x’s power(3V)

JP8 Pin 1,2 open UART path disable

JP11 Pin 1, 2 open I2C path disable

JP16 Pin 1,2 shorted When DK board powered by

battery, leave it open

2.3 J-Link OB debugger

The J-Link MCUXpresso OB provides both SWD/JTAG and UART interface. Users can

download or update firmware into a QN908x device by using the UART or JTAG/SWD

interface. There is the J-Link connector for programming and debugging off-board target,

shown in Figure 3.

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QN908x

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Figure 3 J-Lin connector

2.4 QN9080 Module

QN908x IC integrates a BLE radio, controller, protocol stack and profile software on a

single chip, which can provide a flexible and easy way to use BLE SoC solution. It also

includes a high performance MCU (32-bit ARM Cortex-M4F), on-chip memory, and

peripherals for users to develop a truly single chip wireless MCU solution.

Shown in Figure 4.

Figure 4 QN9080 Module Board

QN908x Module has MIFA antenna on front of board. So it can work without external

antenna. There is a RF connector that is with switch on RF front-end. You can easily do

RF test by connecting a RF cable to the RF connector.

2.5 GPIO and Arduino interface

On QN908x DK board, the connectors J4, J5, J6 and J7 provide all GPIO connection

output. And it is also compatible to Arduino board interface. The interface schematic is

shown in Figure 5.

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QN908x

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Figure 5 QN908x DK board GPIO and Arduino interface

2.6 QN908x reset button

The reset button is used to provide hardware reset to the QN908x device. Shown in

Figure 6.

Figure 6 Reset button

2.7 ISP mode jumper

“JP15” is the ISP mode jumper which is used to set QN908x ISP mode. When the jumper

is shorted, the chip mode “PB02” pin is connected to GND and this function is enabled.

When the jumper is open, the ISP mode function is disabled. Shown in Figure 7.

Figure 7 Chip mode jumper

2.8 JTAG interface

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QN908x

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The board provides a SWD/JTAG interface for the usage of external debugger. Shown in

Figure 8.

Figure 8 JTAG interface

2.9 Buttons

As shown in Figure 9 for detailed circuits, the DK board offers three buttons. When using

the buttons “SW1” and “SW2”, the GPIO must be configured as inputs. Logic LOW input

is applied to GPIO when a button is pressed.

Figure 9 Buttons

The button “SW3” is used to reset QN908x chip. Press down the button, QN908x will be

reset.

2.10 LED

The board offers a three colors RGB LED. The connections are shown in Figure 10. The

LED will light up when the corresponding GPIO outputs switch to logic High level. The

control pins of GPIO are QN_PA13, QN_PA25 and QN_PA31. The GPIO QN_PA13 can

work at PWM out mode. So that the brightness of LED can change with PWM pulse

width.

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QN908x

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Application note

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27 April 2016

Figure 10 LED

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