NXP Semiconductors QN9020 mini DK User Manual

UM10895

QN9020 mini DK user guide

Rev. 4 — 12 November 2018 User manual

Document information

Info Content

Keywords mini DK, J-Link OB, UART, SWD, GPIO, LED, button, power supply,

buzzer

Abstract This user manual describes the features of the QN9020_MINIDK_Vx

board.

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 2 of 22

Contact information

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

For sales office addresses, please send an email to: [e-mail]

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Revision history

Rev Date Description

v.4 20181112 fixed

Figure 10.

v.3 20180417 Updated

Section 2.5, “QN9020 device”.

v.2 20160524 second release. Modifications:

• Section 1.2 “Additional resource” updated.

• Figure 5 updated.

• Section 2.6 “GPIO interface” updated.

• Section 3.1 “Schematics for QN9020 mini DK board” updated.

v.1 20150601 initial release

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 3 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

1. Introduction

This user manual describes the hardware details of the QN9020 mini Development Kit
(DK).

1.1 Kit contents

The QN9020 mini development kit includes the following:

• QN9020 mini development board

• QN9020 USB dongle

• USB cable

1.2 Additional resource

For additional resources, visit

http://www.nxp.com/products/microcontrollers-and-processors/more-processors/applicati
on-specific-mcus-mpus/bluetooth-low-energy-ble:BLUETOOTH-LOW-ENERGY-BLE

2. Hardware description

The QN9020 mini development 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 J-Link debug, and a GPIO/optional sensor board
connector.

A USB dongle is a Bluetooth device powered by the QN9020. It acts as a master when
communicating with the QN9020.

2.1 Hardware overview

The hardware blocks in the QN9020 mini DK, and the functional relationship of each main
component, are shown in

Figure 1.

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 4 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

The component layout on both the sides of the board is shown in Figure 2 and Figure 3.
The detailed information of each component is listed in

Ta bl e 1 .

Fig 1. The QN9020 functional diagram

Fig 2. The QN9020 board top view

aaa-018330

GPIO/SENSOR CONNECTOR GPIO/SENSOR CONNECTOR

GPIO/SENSOR CONNECTORBUTTON2

LED1

LED2

BUTTON1

RESET

Virtual UART

POWER

OnBoard

ANTENNA

RF

MATCHING

JLink OB

(ATSAM3U2C)

UART

SWD

QN9020

CR2032

USB

PORT

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 5 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Fig 3. The QN9020 board bottom view

Table 1. QN9020 board components list

Number Name Description

1 J-Link OB ATSAM3U2C; used to offer SWD and UART

interfaces for QN9020 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 QN9020 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 QN9020 GPIO port used for interface extension

12 LED1 used as output; see

Section 2.8

13 SWD resistors zero ohm resistors; shorted for QN9020 device

debug

14 UART interface used as communication port for QN9020 device

15 PCB antenna onboard Bluetooth antenna

16 QN9020 chip QN9020 chip

17 QN9020 reset button used for QN9020 hardware reset

18 CR2032 battery holder CR2032 battery holder

19 piezo buzzer buzzer: KLJ-1230

20 jumper used for power cycle ATSAM3U2CA

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 6 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

2.2 Default jumper settings on mini DK board

The jumpers on QN9020 mini DK are factory set to power the board over the USB. The
factory-set jumper and switch settings are shown in

Tab le 2 .

2.3 Power supply

The QN9020 board has two power supply modes:

1. Bus-power mode: The board can be powered using the USB cable. The onboard LDO
is used to regulate output voltage to 3 V and supplies power to all parts on the board.

2. Battery-power mode: The CR2032 supplies power to QN9020 and optional sensor
connector when it is in battery-power mode. The J-Link OB still uses the LDO as
power supply via USB cable. When using USB interface as a power supply, connect
the jumper J11 pin 2 and pin 3; see

Figure 4.

When using a CR2032 coin cell as a power supply, connect the jumper J11 pin 1 and
pin 2; see

Figure 5.

Table 2. QN9020 mini DK board components list

Jumper Pins to be shorted using

jumpers

Function

J11 2 and 3 USB powered

J12 1 and 2 VCC_QN9020 3.3 V

J13 1 and 2 VCC_MB 3.3 V

Fig 4. Connecting jumper J11 pin 2 and pin 3 to select USB as power supply

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 7 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

2.4 SEGGER J-Link OB part

The SEGGER J-Link OB offers the SWD and UART interface. Users can download or
update firmware into a QN9020 device by using the UART or SWD interface.
Furthermore, it is convenient to debug the program for a QN9020 device using SWD
interface.

To program or debug the QN9020 device using the SEGGER J-Link OB, the 0  resistors
R37, R38 should be soldered; see

Figure 6.

Fig 5. Connecting jumper J11 Pin1 and Pin 2 to select CR2032 coin cell as power supply

Fig 6. Connect R37, R38

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 8 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

In order to use a USB to UART bridge for the QN9020 download, the solder bridge SB3,
SB4 should be shorted; see Figure 7

.

2.5 QN9020 device

The QN9020 device is integrated with a BLE radio, controller, protocol stack and profile
software, and a high performance MCU on a single chip; see

Figure 8.

Fig 7. Short R35, R36

Fig 8. The QN9020 device

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 9 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

2.6 GPIO interface

In QN9020 mini development board version V7, the connectors J6, J7, J8 and J9 provide
GPIO connection. The net name is shown in

Figure 9.

In QN9020 mini development board version V8, connectors J6 and J7 provide GPIO
connection, as shown in

Figure 10.

2.7 QN9020 reset button

The reset button is used to provide hardware reset to the QN9020 device. When
programming the QN9020 using UART interface of SEGGER J-Link OB, the reset button
should be pressed first to ensure that QN9020 is in boot mode. See

Figure 11 for the

detailed circuit.

Fig 9. QN9020 version V7 GPIO connections

Fig 10. QN9020 version V8 GPIO connections

aaa-018338

1

nRESET

J9

P3.0_ADC-

2

34

56

78

910

P3.1_ADC+P3.2_SPI0-MISO

P3.3_SPI0-MOSIP3.4_SPI0-CLK

P3.5_SPI0-CSP3.6

QN_VCC_3.3 VGND

1

P0.0 UART0-TX

J6

P0.1_UART0-CTS

2

34

56

78

910

P0.2 UART0-RTSP0.3

P0.4P0.5

SWDIO/TMSSWCLK/TCK

QN_VCC_3.3 VGND

1

P2.0_UART1-RX

J8

P2.1_UART1-TX

2

34

56

78

910

P2.2P2.3_I2C-SDA

P2.4_I2C-SCLP2.5

P2.6_PWMP2.7_PWM

GNDQN_VCC_3.3 V

1

P1.0_SPI1-MISO

J7

P1.1_SPI1-MOSI

2

34

56

78

910

P1.2_SPI1-CSP1.3_SPI1-CLK

P1.4P1.5_PWM

P1.6_PWMP1.7_UART0-RX

GNDQN_VCC_3.3 V

Fig 11. QN9020 reset

aaa-018339

SW3

reset button

nRESET

12

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 10 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

2.8 LED

The QN9020 board offers two programmable LEDs, which are connected to the QN9020
device GPIO.

LED1 and LED2 are connected to GPIO P0.4 and P0.5 respectively. The connections are
shown in

Figure 12. The LEDs are powered-up when the corresponding GPIO outputs

switch to logic LOW level.

2.9 Button

The QN9020 board offers two buttons which are connected to QN9020 device GPIO.
Button 1 and button 2 are connected to GPIO P1.4 and P1.5 respectively. See

Figure 13

for detailed circuits.

When using the buttons, the GPIO P1.4 and P1.5 must be configured as inputs. Logic
LOW input is applied to QN9020 when a button is pressed.

Fig 12. LED circuit

aaa-018340

R20

LED1

LED2D2D3

R21

470 Ω

470 Ω

QN_VIO

P0.5

P0.4

Fig 13. Button circuit

aaa-018341

R15

P1.4

P1.5

button 1

SW1

2

3

1

4

R18

100 kΩ

100 kΩ

QN_VIO

button 2

SW2

2

3

1

4

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 11 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

2.10 Piezo buzzer

The piezo buzzer receives input from GPIO P2.6; see Figure 14. Refer to KLJ-1230 data
sheet for detailed information.

2.11 Optional sensor connector

These connectors are used as an interface to connect the sensor board. The pin name
definitions are shown in

Figure 15.

2.12 Current measurement

The jumper J12 is used to measure the QN9020 device current. In current test mode, the
digital ammeter should be connected in series with J12. In the other modes, pin 1 and
pin 2 of J12 are shorted. A jumper cap is used to short the pins.

Fig 14. Piezo buzzer circuit

aaa-018342

buzzer

12

P2.6_PWM

B1

Fig 15. Connecting the sensor board

aaa-018343

1

J5

QN_VIO

QN_VIO

2

3

4

5

QN_VIO

P3.0_ADC-

J10

1

2

3

4

5

P3.1_ADC+

P3.6

P2.3_I2C-SDA

P2.4_I2C-SCL

6

7

8

9

10

P0.3

R16

0 Ω

R22

0 Ω

R17

0 Ω

P0.4

P0.5

P3.3_SPIO-MOSI

P3.5_SPIO-CS

11

12

GND

6

7

8

9

10

11

12

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 12 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

3. Appendix - Schematics and PCB layout

3.1 Schematics for QN9020 mini DK board

QN9020 mini DK board schematics have three parts: J-Link, power and QN9020.

Figure 16, Figure 17 and Figure 18 are the same for all versions. The QN9020 schematic

in version V7 is shown in

Figure 19. In version V8, it is shown in Figure 20.

Fig 16. J-Link schematic for all QN9020 mini DK versions, part I

aaa-018546

SB6SB5

PB17

68

67

66

65

64

PB18

PB19

PB20

PB21

63

PB22

VDDPLL

73

72

71

70

69

GNDPLL

XIN

75

74

XOUT

PB9

PB10

PB14

NRST

57

56

55

54

53

TCK

TMS

TDO

PI_RST

PI_TCK

PI_TMS

PI_TDO

PI_TDI

C17

10 µF

C16

10 nF

C20

0.1 µF

C21

10 pF

C22

0.1 µF
R12

6.8 kΩ

R19

1 kΩ

C18
10 µF

C19

0.1 µF

VDDIN

52

51

VDDOUT

MB_VCC_3.3V

VCORE

MB_VCC_3.3V

VCORE

TDI

PB23

62

61

60

XIN

XOUT

VCORE

59

58

GND3

VDDIO3

VDDCORE3

PB24

ATSAM3U2CA

PB4

8

9

10

11

12

39 40 41 42 43 44 45 46 47 48 49 50

87 86 85 84 83 82 81 80 79 78 77 76

VDDCORE1

PA13

VCORE

TDlin

TMSin

TCKout

TMSout

TDIout

TCKout

TDOin

ENSPI

MB_VCC_3.3V

PA14

PA15

GNDANA

3

4

5

6

7

AD12BVREF

VDDANA

MB_VCC_3.3V

TCKin

RTCKin

1

2

ADVREF

PA22

PA30

PB3

PA20

19

20

21

22

23

PA21

PA23

VDDIO1

PA24

24

PA25

25

PA26

PA17

14

15

16

17

18

PB16

13

PA16

PB15

PA18

PA19

GNDBU

NRSTB

JTAGSEL

XOUT32

XIN32

PA12

FWVP

PA10

PA11

ERASE

TST

VDDBU

TX0

MB_VCC_3.3V

TP1

MB_VCC_3.3V

28 29 30 31 32 33 34 35 36 37 38

GND2

VDDIO2

PA8

PA9

PA4

PA5

PA2

PA3

26 27

PA0

PA1

TRSTin

TRSTout

TRESin

PA6

PA7

VDDCORE2

MB_VCC_3.3V

CTS

RTS

RX0

TRESout

RXData

TXData

VCORE

DFSDM

VDDUTMI

VBG

DHSDM

DHSDP

MB_VCC_3.3V

DHSDM

DHSDP

PA29

PA28

VDDCORE4

88

VDDIO4

PA31

VDDCORE

VCORE

GNDUTMI

DFSDP

DFSDM

DFSDP

LED_RED1

VCORE

MB_VCC_3.3V

ENSPI

LED_RED2

99 98 97 96 95 94 93 92 91 90 89

PB2

PB1

PB0

GND4

PB5

PA27

PB7

100

U1

PB8

PB6

PB13

PB12

PB11

xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 13 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Fig 17. J-Link schematic for all QN9020 mini DK versions, part II

miniusb_typeB

PRTR5VOU2X

J1

S1S4

69

1

2

3

4

5

78

U5

IO1

DFSON

DFSOP

DHSON

DHSOP

IO2

23

GNDVCC

14

V

D-

D+

ID

G

S2S3

CON10C

1

J4

10

MB_VCC_3.3V

29

PI_TMS

MB_VCC_3.3V

LED_RED1

MB_VCC_3.3V

D1 LED4

R13

220 Ω

LED_RED2

XOUT

XIN

MB_VCC_3.3V

D1 LED4

R14

220 Ω

Y1
12 MΩ

38

GND

47

PI_TCK

56

VS

PI_TDO

PI_TDI

PI_RST

C5

0.1 µF

R30

1 MΩ

R29

39 Ω

1 %

R28

39 Ω

1 %

C36

1 nF

C24

0.1 µF

C23

10 µF

MB_VCC_3.3V

VBUS

C6

0.1 µF

C7

0.1 µF
C8

0.1 µF

C9

0.1 µF
C10

0.1 µF

C11

0.1 µF

VCORE

ATSAM3U2CA

programming

interface

MB_VCC_3.3V

aaa-018344

MB_VCC_3.3V

C12

0.1 µF

C13

0.1 µF
C14

0.1 µF

C15

0.1 µF

GND

GND

VS

VBUS

VS

VBUS

P0.2_UART0-RTS

nRESETTRESout

T_RESET

TDOin

T_TDO

RTCKin

T_RTCK

TRESin

UART interface to QN9020

CTS

RTS

RXD

TXD

SB1

R26
0 Ω

R5

4.7 kΩ

R2

4.7 kΩR34.7 kΩR44.7 kΩ

C2
18 pF

32

41

C3
18 pF

R10

0 Ω

R11

0 Ω

solder_bridge

SB2

solder_bridge

SB3

solder_bridge

SB4

solder_bridge

P0.1_UART0-CTS

P0.0_UART0-TX

P1.7_UART0-RX

SWCLK/TCK

SWCLK/TCK

TCKout

T_TCK

TCKin

R8

150 Ω

J3

jump

SWDIO/TMS

JTAG interface to QN9020

SWDIO/TMS

TMSout

T_TMS

TMSin

R7

150 Ω

J2

jump

TDIout

T_TDI

TDIin

R9

0 Ω

TRSTout

T_TRST

TRSTin

R6

0 Ω

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 14 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Fig 18. Power schematic for all mini DK versions

aaa-018345

15

VIN

V5

VBUS

TP2

R25
0 Ω

VOUT

C29

0.1 µF

C26

10 nF

C30
10 µF
16 V

J13

J11

JUMP2

JUMP3

MB_VCC_3.3V

U2

GND

GND

2

GND

3

BAT1

battery

1

2

2

3

1

3

4

EN NR/FB

TPS73633

J12

R24

0 Ω

JUMP2

QN_VCC_3.3V

QN current test

Note:
connect jumper J11 PIN2, 3 LDO as a power supply
connect jumper J11 PIN1, 2 battery as a power supply

QN_VIO

xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 15 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Fig 19. QN9020 schematic in QN9020 mini DK board V7 and below

aaa-018346

1

nRESET

J9

P3.0_ADC-

2

34

56

78

910

P3.1_ADC+P3.2_SPI0-MISO

P3.3_SPI0-MOSIP3.4_SPI0-CLK

P3.5_SPI0-CSP3.6

QN_VCC_3.3 VGND

1

P0.0 UART0-TX

QN9020 GPIOQN9020 device

J6

P0.1_UART0-CTS

2

34

56

78

910

P0.2 UART0-RTSP0.3

P0.4P0.5

SWDIO/TMSSWCLK/TCK

QN_VCC_3.3 VGND

1

P2.0_UART1-RX

J8

P2.1_UART1-TX

2

34

56

78

910

P2.2P2.3_I2C-SDA

P2.4_I2C-SCLP2.5

P2.6_PWMP2.7_PWM

GNDQN_VCC_3.3 V

1

P1.0_SPI1-MISO

J7

P1.1_SPI1-MOSI

2

34

56

78

910

P1.2_SPI1-CSP1.3_SPI1-CLK

P1.4P1.5_PWM

P1.6_PWMP1.7_UART0-RX

GNDQN_VCC_3.3 V

R20

LED1

LED2D2D3

R21

470 Ω

470 Ω

QN_VIO

P0.5

P0.4

R15

P1.4

P1.5_PWM

button 1

SW1

2

3

1

4

R18

100 kΩ

100 kΩ

QN_VIO

button 2

SW2

2

3

1

4

buzzer

12

P2.6_PWM

B1

1

J5

QN_VIO

QN_VIO

2

3

4

5

QN_VIO

P3.0_ADC-

J10

1

2

3

4

5

P3.1_ADC+

P3.6

P2.3_I2C-SDA

P2.4_I2C-SCL

6

7

8

9

10

P0.3

R16

0 Ω
R22

0 Ω

R17

0 Ω

P0.4

P0.5

P3.3_SPIO-MOSI

P3.5_SPIO-CS

11

12

GND

6

7

8

9

10

11

12

SW3

reset button

nRESET

USER BUTTON

RESET BUTTON

USER LED BUZZER

CONNECTOR FOR SENSOR BOARD

12

P2_0

29

28

27

26

25

P2_1

P2_2

P2_3

P2_4

RFP

34

33

32

31

30

RFN

VDD2

C44

Y3

16 M
L5
15 nH

L4
10 µH

R31
100 kΩ

R32

56 kΩ

C39

2.2 nF

L2

L1

1.1 nH

6.2 nH

L3

2.0 nH

C46

A1

antenna

1.5 pF

C42

8.2 pF

C47

1.0 pF

C41
1 µF

100 nF

36

C43

100 nF

35

VSS2

RVDD

RSTN

P3_6

P2.0_UART1-RX

P2.1_UART1-TX

P2.2

P2.3_I2C-SDA

P2.4_I2C-SCL

P3.6

nRESET

QN9020

U6

nRESET

P0_3

8

9

10

11

12

13 14 15 16 17 18 19 20 21 22 23 24

48 47 46 45 44 43 42 41 40 39 38 37

P0_2

P0_1

P0_0

VSS1

P0_6

QN_VCC_3.3 V

SWCLK/TCK

SWDIO/TMS

GND

GND

QN_VCC_3.3 V

3

4

5

6

7

XTAL2_32K

VCC

1

2

P0_7

XTAL1_32K

P0_5

P0_4

P0.3

P0.2_UART0-RTS

P0.1_UART0-CTS

P0.0_UART0-TX

P0.5

P0.4

P1_1

P1_0

P2_7

P2_6

P2_5

P1_6

P1_5

VDD1

C37

100 nF

P1_7

P1_4

P1_3

P1_2

P1.1_SPI1-MOSI

P1.0_SPI1-MISO

P2.7_PWM

P2.6_PWM

P2.5

P1.6_PWM

P1.5_PWM

P1.7_UART0-RX

P1.4

P1.3_SPI1-CLK

P1.2_SPI1-CS

P3_5

C48

1 µF

XTAL1

XTAL2

VDD3

REXT

P3_0

P3_1

DCC49GND

VSS3

P3_2

P3_3

P3_4

P3.5_SPIOCS

P3.0_ADC-

P3.1_ADC+

P3.2_SPIOMISO

P3.3_SPIOMOSI

P3.4_SPIOCLK

C38

100 nF

C40

Y2

32.768 kHz

C45

22 pF

22 pF

xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 16 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

Fig 20. QN9020 schematic in QN9020 mini DK board V8

aaa-022819

QN9020 GPIOQN9020 device

1

P2.0_UART1-RX

J7

P2.1_UART1-TX

2

34

56

78

910

P2.2P2.3_I2C-SDA

P2.4_I2C-SCLP2.5

P2.6_PWMP2.7_PWM

GNDQN_VCC_3.3 V

11

P1.0_SPI1-MISOP1.1_SPI1-MOSI

12

13 14

15 16

17 18

19 20

P1.2_SPI1-CSP1.3_SPI1-CLK

P1.4P1.5_PWM

P1.6_PWMP1.7_UART0-RX

GNDQN_VCC_3.3 V

1

GND

J6

QN_VCC_3.3 V

2

34

56

78

910

P3.6P3.5_SPI0-CS

P3.4_SPI0-CLKP3.3_SPI0-MOSI

P3.2_SPI0-MISOP3.1_ADC+

P3.0_ADC-nRESET

11

GNDQN_VCC_3.3 V

12

13 14

15 16

17 18

19 20

SWCLK/TCKSWDIO/TMS

P0.5P0.4

P0.3P0.2_UART0-RTS

P0.1_UART0-CTSP0.0_UART0-TX

R20

LED1

LED2D2D3

R21

1 kΩ

1 kΩ

QN_VIO

P0.5

P0.4

R15

P1.4

P1.5_PWM

button 1

SW1

2

3

1

4

R18

100 kΩ

100 kΩ

QN_VIO

button 2

SW2

2

3

1

4

buzzer

12

P2.6_PWM

B1

1

J5

QN_VIO

QN_VIO

2

3

4

5

QN_VIO

P3.0_ADC-

J10

1

2

3

4

5

P3.1_ADC+

P3.6

P2.3_I2C-SDA

P2.4_I2C-SCL

6

7

8

9

10

P0.3

R16

0 Ω

R22

0 Ω

R17

0 Ω

P0.4

P0.5

P3.3_SPIO-MO

SI

P3.5_SPIO-CS11

12 GND

6

7

8

9

10

11

12

SW3

reset button

nRESET

USER BUTTON

RESET BUTTON

USER LED BUZZER

CONNECTOR FOR SENSOR BOARD

12

P2_0

29

28

27

26

25

P2_1

P2_2

P2_3

P2_4

RFP

34

33

32

31

30

RFN

VDD2

C44

Y3

16 M

L5
15 nH

L4
10 µH

R31
100 kΩ

R32

56 kΩ

C39

2.2 nF

L2

L1

1.1 nH

6.2 nH

L3

2.0 nH

C46

A1

antenna

1.5 pF

C42

8.2 pF

C47

1.0 pF

C41
1 µF

100 nF

36

C43

100 nF

35

VSS2

RVDD

RSTN

P3_6

P2.0_UART1-RX

P2.1_UART1-TX

P2.2

P2.3_I2C-SDA

P2.4_I2C-SCL

P3.6

nRESET

QN9020

U6

nRESET

P0_3

8

9

10

11

12

13 14 15 16 17 18 19 20 21 22 23 24

48 47 46 45 44 43 42 41 40 39 38 37

P0_2

P0_1

P0_0

VSS1

P0_6

QN_VCC_3.3 V

SWCLK/TCK

SWDIO/TMS

GND

GND

QN_VCC_3.3 V

3

4

5

6

7

XTAL2_32K

VCC

1

2

P0_7

XTAL1_32K

P0_5

P0_4

P0.3

P0.2_UART0-RTS

P0.1_UART0-CTS

P0.0_UART0-TX

P0.5

P0.4

P1_1

P1_0

P2_7

P2_6

P2_5

P1_6

P1_5

VDD1

C37

100 nF

P1_7

P1_4

P1_3

P1_2

P1.1_SPI1-MOSI

P1.0_SPI1-MISO

P2.7_PWM

P2.6_PWM

P2.5

P1.6_PWM

P1.5_PWM

P1.7_UART0-RX

P1.4

P1.3_SPI1-CLK

P1.2_SPI1-CS

P3_5

C48

1 µF

XTAL1

XTAL2

VDD3

REXT

P3_0

P3_1

DCC49GND

VSS3

P3_2

P3_3

P3_4

P3.5_SPIOCS

P3.0_ADC-

P3.1_ADC+

P3.2_SPIOMISO

P3.3_SPIOMOSI

P3.4_SPIOCLK

C38

100 nF

C40

Y2

32.768 kHz

C45

22 pF

22 pF

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 17 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

3.2 PCB layout

Fig 21. Silk screen top

aaa-018347

SWDIO

SWCLK

LED1R20

R18

P1.7-P1.0 P2.7-P2.0

P0.0-P0.7 P3.0-P3.6

QN9020_MINIDK_V7

R150121

R15

C24

D1

R28

R29

R13

R14

R25

R12
C21
C22
C14
C15

C9

J13

U5

TP2

J11

123

J12VCC

C26

C23

R24

U2

C29

C30

R30

C36

SW2SW1

QNVCC

VBAT

J13 power for U1
J12 power for U6
J11 power select

BUTTON2BUTTON1

D2

R21

C6R9R27

R23

J7

J8

J6

J4

J9

A1

R7

R8

C11

C5

U1

SEGGER

J-Link

TM

Technology

www.segger,com

D3

CTS

TXD

RXD

RTS

R37

R38

R34

R35

R36

C40

C46

C43

Y3

R32

C44

L3

Y2
C45

R2 R4 R3 R5

J1

C2

Y1

C20

C13

C19

C18

C17

C48

C38 C37

C41

R31

C42

C47

C39

L1

U6

L2

L5 L4

SW3

QN_RST

C8

C3

R22

GND

P3.5

P3.3

P0.5

P0.4

P0.3

SCL

SDA

P3.6

P3.1

P3.0 VCC

VCC

J10

J5

R17

R16

R33

R10
R11
R6

C12

C7

R26

R19

C10

TP1

C16

LED2

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 18 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

4. Abbreviations

Fig 22. Silk screen bottom

aaa-018348

P2.0

P2.2

P2.4

P2.6

GND

P1.0

P1.2

P1.4

P1.6

GND

VBUS
D­D+
GND

VCC

Vbat

B1

BAT1

123

P2.1

P2.3

P2.5

P2.7

VCC

P1.1

P1.3

P1.5

P1.7

VCC

GND

P3.6

P3.4

P3.2

P3.0

GND

P0.7

P0.5

P0.3

P0.1

VCC

P3.5

P3.3

P3.1

RESET

VCC

P0.6

P0.4

P0.2

P0.0

Table 3. Abbreviations

Acronym Description

UART Universal Asynchronous Receiver Transmitter

DK Development Kit

LDO Low DropOut

SWD Serial Wire Debug

PCB Printed-Circuit Board

BLE Bluetooth Low Energy

MCU MicroController Unit

GPIO General Purpose Input Output

ISP In System Programming

USB Universal Serial Bus

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 19 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

5. Legal information

5.1 Definitions

Draft

The document is a draft version only. The content is
still under internal review and subject to formal
approval, which may result in modifications or
additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or
completeness of information included herein and shall
have no liability for the consequences of use of such
information.

— 5.2 Disclaimers

Limited warranty and liability

Information in this document is believed to be
accurate and reliable. However, NXP Semiconductors
does not give any representations or warranties,
expressed or implied, as to the accuracy or
completeness of such information and shall have no
liability for the consequences of use of such
information. NXP Semiconductors takes no
responsibility for the content in this document if
provided by an information source outside of NXP
Semiconductors.

In no event shall NXP Semiconductors be liable for
any indirect, incidental, punitive, special or
consequential damages (including - without limitation ­lost profits, lost savings, business interruption, costs
related to the removal or replacement of any products
or rework charges) whether or not such damages are
based on tort (including negligence), warranty, breach
of contract or any other legal theory.

Notwithstanding any damages that customer might
incur for any reason whatsoever, NXP
Semiconductors’ aggregate and cumulative liability
towards customer for the products described herein
shall be limited in accordance with the Terms and
conditions of commercial sale of NXP
Semiconductors.

Right to make changes

NXP Semiconductors reserves the right to make
changes to information published in this document,
including without limitation specifications and product

descriptions, at any time and without notice. This
document supersedes and replaces all information
supplied prior to the publication hereof.

Suitability for use

NXP Semiconductors products are not designed,
authorized or warranted to be suitable for use in life
support, life-critical or safety-critical systems or
equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can
reasonably be expected to result in personal injury,
death or severe property or environmental damage.
NXP Semiconductors and its suppliers accept no
liability for inclusion and/or use of NXP
Semiconductors products in such equipment or
applications and therefore such inclusion and/or use
is at the customer’s own risk.

Applications

Applications that are described herein for any of these
products are for illustrative purposes only. NXP
Semiconductors makes no representation or warranty
that such applications will be suitable for the specified
use without further testing or modification.

Customers are responsible for the design and
operation of their applications and products using
NXP Semiconductors products, and NXP
Semiconductors accepts no liability for any assistance
with applications or customer product design. It is
customer’s sole responsibility to determine whether
the NXP Semiconductors product is suitable and fit for
the customer’s applications and products planned, as
well as for the planned application and use of
customer’s third party customer(s). Customers should
provide appropriate design and operating safeguards
to minimize the risks associated with their applications
and products.

NXP Semiconductors does not accept any liability
related to any default, damage, costs or problem
which is based on any weakness or default in the
customer’s applications or products, or the application
or use by customer’s third party customer(s).
Customer is responsible for doing all necessary
testing for the customer’s applications and products
using NXP Semiconductors products in order to avoid
a default of the applications and the products or of the

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 20 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

application or use by customer’s third party
customer(s). NXP does not accept any liability in this
respect.

Export control

This document as well as the item(s) described herein
may be subject to export control regulations. Export
might require a prior authorization from competent
authorities.

Evaluation products

This product is provided on an “as is” and “with all
faults” basis for evaluation purposes only. NXP
Semiconductors, its affiliates and their suppliers
expressly disclaim all warranties, whether express,
implied or statutory, including but not limited to the
implied warranties of non-infringement,
merchantability and fitness for a particular purpose.
The entire risk as to the quality, or arising out of the
use or performance, of this product remains with
customer.

In no event shall NXP Semiconductors, its affiliates or
their suppliers be liable to customer for any special,
indirect, consequential, punitive or incidental damages
(including without limitation damages for loss of
business, business interruption, loss of use, loss of
data or information, and the like) arising out the use of
or inability to use the product, whether or not based on
tort (including negligence), strict liability, breach of
contract, breach of warranty or any other theory, even
if advised of the possibility of such damages.

Notwithstanding any damages that customer might
incur for any reason whatsoever (including without
limitation, all damages referenced above and all direct
or general damages), the entire liability of NXP
Semiconductors, its affiliates and their suppliers and
customer’s exclusive remedy for all of the foregoing
shall be limited to actual damages incurred by
customer based on reasonable reliance up to the
greater of the amount actually paid by customer for
the product or five dollars (US$5.00). The foregoing
limitations, exclusions and disclaimers shall apply to
the maximum extent permitted by applicable law, even
if any remedy fails of its essential purpose.

Translations

A non-English (translated) version of a document is
for reference only. The English version shall prevail in
case of any discrepancy between the translated and
English versions.

— 5.3 Trademarks

Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.

NXP Semiconductors

UM10895

QN9020 mini DK user guide

© NXP Semiconductors N.V. 2018. All rights reserved.

For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]

Date of release: 12 November 2018

Document identifier: UM10895

Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.

6. Tables

Table 1. QN9020 board components list . . . . . . . . . . . . .5

Table 2. QN9020 mini DK board components list. . . . . . . 6

Table 3. Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 18

7. Figures

Fig 1. The QN9020 functional diagram . . . . . . . . . . . . . .4

Fig 2. The QN9020 board top view . . . . . . . . . . . . . . . . .4

Fig 3. The QN9020 board bottom view . . . . . . . . . . . . . .5

Fig 4. Connecting jumper J11 pin 2 and pin 3

to select USB as power supply . . . . . . . . . . . . . . .6

Fig 5. Connecting jumper J11 Pin1 and Pin 2 to select

CR2032 coin cell as power supply. . . . . . . . . . . . .7

Fig 6. Connect R37, R38 . . . . . . . . . . . . . . . . . . . . . . . . .7

Fig 7. Short R35, R36 . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Fig 8. The QN9020 device . . . . . . . . . . . . . . . . . . . . . . . .8

Fig 9. QN9020 version V7 GPIO connections . . . . . . . . .9

Fig 10. QN9020 version V8 GPIO connections . . . . . . . . .9

Fig 11. QN9020 reset . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Fig 12. LED circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Fig 13. Button circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Fig 14. Piezo buzzer circuit . . . . . . . . . . . . . . . . . . . . . . . 11

Fig 15. Connecting the sensor board. . . . . . . . . . . . . . . . 11

Fig 16. J-Link schematic for all QN9020 mini DK

versions, part I . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Fig 17. J-Link schematic for all QN9020 mini DK

versions, part II . . . . . . . . . . . . . . . . . . . . . . . . . .13

Fig 18. Power schematic for all mini DK versions . . . . . .14

Fig 19. QN9020 schematic in QN9020 mini DK

board V7 and below. . . . . . . . . . . . . . . . . . . . . . .15

Fig 20. QN9020 schematic in QN9020 mini DK

board V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Fig 21. Silk screen top . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Fig 22. Silk screen bottom . . . . . . . . . . . . . . . . . . . . . . . .18

UM10895 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.

User manual Rev. 4 — 12 November 2018 22 of 22

NXP Semiconductors

UM10895

QN9020 mini DK user guide

8. Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Kit contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Additional resource . . . . . . . . . . . . . . . . . . . . . . 3

2 Hardware description . . . . . . . . . . . . . . . . . . . . 3

2.1 Hardware overview . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Default jumper settings on mini DK board . . . . 6

2.3 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 SEGGER J-Link OB part . . . . . . . . . . . . . . . . . 7

2.5 QN9020 device . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.6 GPIO interface . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.7 QN9020 reset button . . . . . . . . . . . . . . . . . . . . 9

2.8 LED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.9 Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.10 Piezo buzzer. . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.11 Optional sensor connector . . . . . . . . . . . . . . . 11

2.12 Current measurement. . . . . . . . . . . . . . . . . . . 11

3 Appendix - Schematics and PCB layout . . . . 12

3.1 Schematics for QN9020 mini DK board . . . . . 12

3.2 PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 18

5 Legal information. . . . . . . . . . . . . . . . . . . . . . . 19

5.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.3 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6 Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

NXP:
QN9020DK598