Freescale Semiconductor USB-KW40Z User Manual

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Freescale Semiconductor, Inc.

User’s Guide

Document Number: USBKW40ZUG

Rev. 0, 10/2015

Freescale USB Development Board USB-KW40Z User's Guide

1 About this guide

This manual describes the Freescale USB-KW40Z development platform. The USB-KW40Z board is a small, cost-effective evaluation and development board for application prototypes and demonstration of the MKW40Z160 SoC family of devices. This evaluation board offers an easy-to-use mass-storage device mode flash programmer, a virtual serial port, classic programming, and run-control capabilities.

The MKW40Z160 SoC is an ultra low-power, highly integrated single-chip device that enables Bluetooth Low Energy (BLE) and/or IEEE® Std. 802.15.4/RF connectivity for portable, extremely low-power embedded systems. The MKW40Z160 SoC family integrates a radio transceiver operating in the 2.36 GHz to 2.48 GHz range supporting a range of FSK/GFSK and O-QPSK modulations, and ARM Cortex®- M0+ MCU, 160 KB flash memory and 20 KB SRAM, BLE Link Layer hardware, 802.15.4 packet processor hardware, and peripherals optimized to meet the requirements of the target applications.

Contents

1. About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.1.FCC guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.2.Regulatory approval for Canada (IC RSS 210) . . . 3

2.3.Electrostatic discharge considerations . . . . . . . . . . 3

2.4.Disposal instructions . . . . . . . . . . . . . . . . . . . . . . . 3

3. USB-KW40Z overview and description . . . . . . . . . . 4

3.1.Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.2.Board features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.3.Serial and debug adapter . . . . . . . . . . . . . . . . . . . . 6

4. USB-KW40Z development board . . . . . . . . . . . . . . . 7

4.1.USB-KW40Z board overview . . . . . . . . . . . . . . . . 7

4.2.Functional description . . . . . . . . . . . . . . . . . . . . . . 9

4.3.Schematic, board layout, and bill of material . . . 16

5. PCB manufacturing specifications . . . . . . . . . . . . . . 21

5.1.Single PCB construction . . . . . . . . . . . . . . . . . . . 21

5.2.Panelization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.3.Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.4.Solder mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.5.Silk screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.6.Electrical PCB testing . . . . . . . . . . . . . . . . . . . . . 23

5.7.Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.8.Hole specification/tool table . . . . . . . . . . . . . . . . 23

5.9.File description . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6. Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

1.1 Audience

This manual is intended for system designers.

Safety information

2 Safety information

2.1 FCC guidelines

This equipment is for use by developers for evaluation purposes only and must not be incorporated into any other device or system. This device may not be sold to the general public. Integrators will be responsible for reevaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

FCC approval of this device only covers the original configuration of this device as supplied. Any modifications to this product, including changes shown in this manual, may violate the rules of the Federal Communications Commission and Industry Canada and make operation of the product unlawful.

2.1.1 Labeling

FCC labels are physically located on the back of the board.

2.1.2 Operating conditions

This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference that may cause undesired operation.

2.1.3 Exposure limits

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. The antenna(s) used for this equipment must be installed to provide a separation distance of at least 8 inches (20 cm) from all persons.

2.1.4 Antenna restrictions

An intentional radiator is designed to ensure that no antenna other than that furnished by the responsible party is used with the device. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator is considered sufficient to comply with the provisions of this Section. The manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited. This requirement does not apply to carrier current devices or to devices operated under the provisions of Sections 15.211, 15.213, 15.217, 15.219, or

15.221 of the IEEE Std. 802.15.4. This requirement does not apply to intentional radiators that must be professionally installed, such as perimeter protection systems and some field disturbance sensors, or to other intentional radiators which, in accordance with Section 15.31(d), must be measured at the installation site. However, the installer is responsible for ensuring that the proper antenna is employed so that the limits in this Part are not exceeded.

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Safety information

2.2 Regulatory approval for Canada (IC RSS 210)

This equipment complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

1. This board may not cause interference, and

2. This board must accept any interference, including interference that may cause undesired operation of the device.

2.2.1 26 PART 5 – Appendix

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes:

1. l'appareil ne doit pas produire de brouillage, et

2. l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

2.3 Electrostatic discharge considerations

Although damage from electrostatic discharge (ESD) is much less common on these devices than on early CMOS circuits, normal handling precautions should be used to avoid exposure to static discharge. Qualification tests are performed to ensure that these devices can withstand exposure to reasonable levels of static without suffering any permanent damage.

All ESD testing is in conformity with the JESD22 Stress Test Qualification for Commercial Grade Integrated Circuits. During the device qualification ESD stresses were performed for the human body model (HBM), the machine model (MM) and the charge device model (CDM).

All latch-up test testing is in conformity with the JESD78 IC Latch-Up Test.

When operating or handling the development boards or components, Freescale strongly recommends using at least the grounding wrist straps plus any or all of the following ESD dissipation methods:

• Flexible fabric, solid fixed size, or disposable ESD wrist straps

• Static control workstations, static control monitors, and table or floor static control systems

• Static control packaging and transportation materials and environmental systems

2.4 Disposal instructions

This product may be subject to special disposal requirements. For product disposal instructions, refer to

freescale.com/productdisposal.

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USB-KW40Z overview and description

3 USB-KW40Z overview and description

3.1 Introduction

The USB-KW40Z development platform is an evaluation environment based on the Freescale MKW40Z160 SoC device. The MKW40Z160 SoC integrates a radio transceiver operating in the 2.36 GHz to 2.48 GHz range, supporting a range of FSK/GFSK and O-QPSK modulations, an ARM Cortex-M0+ MCU into a single package.

Freescale supplements the MKW40Z160 SOC with tools and software that include hardware evaluation and development boards, software development IDE, applications, drivers, custom PHY usable with IEEE Std. 802.15.4 compatible MAC, BLE Link Layer, and enables the Bluetooth Low Energy protocol to be used in the MBAN frequency range for proprietary applications.

3.2 Board features

3.2.1 USB-KW40Z board

The USB-KW40Z development board contains the MKW40Z160 device it is one of the simplest reference design utilizing the on chip USB block for power and communication. The USB-KW40Z is a small form factor self-contained board for evaluation of wireless application and can be used as a packet sniffer. The USB type-A connection is used with USB enabled hardware such as a computer.

Figure 1 shows the USB-KW40Z development platform.

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Figure 1. USB-KW40Z development board

USB-KW40Z overview and description

The USB-KW40Z development board includes the following features:

• Based on the Freescale ultra low-power MKW40Z160 SoC BLE device

• Fully compliant IEEE Std. 802.15.4, 2006, transceiver supporting 250 kbit/s O-QPSK data in

5.0 MHz channels and full spread-spectrum encode and decode

• Fully compliant Bluetooth v4.1 Low Energy (BLE)

• Full IEEE 802.15.4 compliant wireless node with KSDK enable software

• Reference design area with small footprint, low-cost RF node

— Differential input/output port used with external balun for single port operation

— Low external component count

— Programmable output power from –20 dBm to +5 dBm at the MMCX connector, no harmonic

trap using bypass mode of operation

— Receiver sensitivity: –102 dBm, typical (@1% PER for 20 byte payload packet), for 802.15.4

at the MMCX connector

— Receiver sensitivity: -91 dBm for BLE applications at the MMCX connector

• Integrated PCB inverted meander type antenna and MMCX (Micro-Miniature Coaxial) RF port

• Bypass operation mode

• 32 MHz reference oscillator

• 32 kHz reference oscillator

• 2.4 GHz frequency operation (ISM and MBAN)

• Reset switch drive to MKW40Z160.

• Reset switch drive to debug interface (OpenSDA)

• Cortex 10-pin (0.05 inch) SWD debug port for target MCU

• Cortex 10-pin (0.05 inch) JTAG port for OpenSDA updates

• Integrated open-standard serial and debug interface (OpenSDA)

• 2 Blue LED indicators primary drive thought MKW40Z160 MCU, also connected to MK22FN512

• 1 Push button switch drive to MKW40Z160 MCU, also connected to MK22FN512

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USB-KW40Z overview and description

Figure 2 shows the main board features and I/O headers for the Freescale USB-KW40Z board.

Figure 2. USB-KW40Z component placement

3.3 Serial and debug adapter

The USB-KW40Z development board can be enabled with OpenSDA v2.1, a serial and debug adapter circuit that includes an open-source hardware design, an open-source bootloader, and debug interface software. It bridges serial and debug communications between a USB host and an embedded target processor. The hardware circuit is based on a Freescale Kinetis K22F family microcontroller (MCU). OpenSDAv2.1 enables the CMSIS-DAP bootloader, an open-source mass storage device (MSD) bootloader, and the CMSIS-DAP Interface firmware (also known as the mbed interface), that provides a MSD flash programming interface, a virtual serial port interface, and a CMSIS-DAP debug protocol interface. For more information on the OpenSDAv2.1 software, see mbed.org and

https://github.com/mbedmicro/CMSIS-DAP.

NOTE

Driver considerations, you must install a windows driver that can be downloaded from the following link:

https://developer.mbed.org/handbook/Windows-serial-configuration

USB-KW40Z comes pre-programed with a sniffer application. In order to enable this board with OpenSDA feature and as a development board, refer to the following:

freescale.com/USB-KW40Z/startnow

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USB-KW40Z development board

4 USB-KW40Z development board

4.1 USB-KW40Z board overview

The USB-KW40Z board is an evaluation board based on the Freescale MKW40Z160 SoC. The USB-KW40Z provides a platform to evaluate the MKW40Z160 SoC device and to develop software and applications. The core device is accompanied by a the 32 MHz reference oscillator crystal, RF circuitry including antenna, and supporting circuitry.

The USB-KW40Z board is intended as the core PCB for MKW40Z160 device evaluation and application development, and can be used as a simple standalone valuation solution or as packet sniffer.

4.1.1 PCB features

The USB-KW40Z board provides the following features:

• USB small form factor

• 4-Layer metal, 0.062 inch thick FR4 board

• LGA footprint and power supply bypass mode

• Printed Meander Antenna and footprint for installing a (user supplied) MMCX connector

• 32 MHz reference oscillator crystal

• 32 kHz crystal provided for optional timing oscillator

• Secondary (MK22FN512) device to use as voltage regulator and MCU processor for BLE sniffer.

4.1.2 Form factor

Figure 3 shows the USB-KW40Z development board layout and footprint.

Figure 3. USB-KW40Z top side (component side) footprint

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USB-KW40Z development board

Figure 4 shows a footprint of the USB-KW40Z with the location of the headers.

Figure 4. USB-KW40Z I/O headers location

4.1.3 Board level specifications

Table 1. USB-KW40Z specifications

Parameter Min Typ Max Units Notes/Conditions

General

Size (PCB: X, Y) — — 18.5 x 61.4

0.73 x 2.42mminches

Layer build (PCB) — 1.57

0.062

Dielectric material (PCB) — — — — FR4

Power

Current consumption — — — mA Varies with operational mode, Refer to

Tem per atur e

Operating temperature (see note) -40 +25 +70 °C Operating temperature is limited to +70 °C

Storage temperature -30 +25 +70 °C

802.15.4 Frequency range 2405 — 2480 MHz All 16 channels in the 2450 MHz band

BLE Frequency range 2400 — 2483 MHz All 40 channels in the 2450 MHz band

ISM and MBAN Frequency range 2360 — 2483 MHz

RF Receiver

—mm

inches

4-Layer

datasheet.

due to switches. Basic circuit is good for a maximum temperature of +85 °C.

Saturation (maximum input level) — +0 — dBm Refer to datasheet

Sensitivity for 1% packet error rate (PER) (+25 °C) 802.15.4

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— -102 — dBm Refer to datasheet

USB-KW40Z development board

Table 1. USB-KW40Z specifications (continued)

Parameter Min Typ Max Units Notes/Conditions

Sensitivity for 1% packet error rate (PER) (+25 °C) BLE

RF Transmitter

RF Power Output -20 — +5 dBm Programmable in steps.

2nd harmonic — ≤50 ≤40 dBm —

3rd harmonic — ≤50 ≤40 dBm —

Regulatory Approval

FCC — — — — Product is approved according to the FCC

CE (ETSI) — — — — Product is approved according to the EN

CE (EMC) — — — — Product is approved according to the EN

Safety

UL — — — — Product is approved according to the IEC

Environment

— -94 — dB Refer to datasheet

At the MMCX connector with no trap.

part 15 standard

300 328 V1.7.1 (2006-10) standard

301 489-1 V1.6.1 (2005-09) and EN 301 489-17 V1.2.1 (2002-08) standards

60950-1 and EN 60950-1, First Edition standards

RoHS — — — — Product complies with the EU Directive

2002/95/EC of 27 January 2003

WEEE — — — — Product complies with the EU Directive

2002/95/EC of 27 January 2003

Trap will add 1 to 2 dB of loss.

4.2 Functional description

The USB-KW40Z is built around the Freescale MKW40Z160 SoC in a 48-pin LGA package. The USB-KW40Z features a IEEE Std. 802.15.4 and BLE 2.4 GHz radio frequency transceiver and a Kinetis family ultra low-power, mixed-signal ARM Cortex-M0+ microcontroller in a single package. This board is intended as a simple evaluation platform and as a building block for application development. The four-layer board provides the MKW40Z160 with its required RF circuitry and a 32 MHz reference oscillator crystal. The layout for this base level functionality can be used as a reference layout for your target board. Figure 5 shows a simple block diagram.

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USB-KW40Z development board

Figure 5. USB-KW40Z block diagram

4.2.1 RF performance and considerations

The USB-KW40Z board’s integrated transceiver includes a 1 mW nominal output power PA with internal voltage controlled oscillator (VCO), integrated transmit/receive switch, on-board power supply regulation, and full spread-spectrum encoding and decoding. Key specifications for the MKW40Z160 SoC are:

• Nominal output power is set to 0 dBm

• Programmable output power from -20 dBm to +5 dBm at the MMCX, no harmonic trap

• Typical sensitivity is -102 dBm (@1% PER for 25 °C) at the MMCX (802.15.4)

• Typical sensitivity is -91 dBm (@1% PER for 25 °C) at the MMCX (BLE)

• Frequency range is 2360 to 2480 MHz

• Differential bidirectional RF I/O port with integrated transmit/receive switch

• Meander printed metal antenna for a small footprint, low cost design

• Uses a minimum number of RF marching components and external 50:100 balun

An external 50 (bal): 100 (unbal) balun connects a single-ended 50 ohm port to the differential RF port of the MKW40Z160 SoC’s transceiver. The layout has provision for out-of-band signal suppression (components L3 and C20) if required. Figure 6 shows the typical topology for the RF circuitry. The RF connector J4 has been included in the design for measurement purposes and is used as a DNP.

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USB-KW40Z development board

Figure 6. USB-KW40Z RF circuitry

4.2.2 Clocks

The USB-KW40Z provides two clock sources to the MKW40Z160:

• 32 MHz Reference Oscillator - Figure 7 shows the external 32 MHz external crystal Y1. This mounted crystal must meet the specifications outlined in the AN3251 application note. The IEEE Std. 802.15.4 requires that the frequency be accurate to less than ±40 ppm.

— Capacitors C4 and C5 provide the bulk of the crystal load capacitance. At 25 °C, it is desired

to have the frequency accurate to ±10 ppm or less to allow for temperature variation.

• Optional 32.768 kHz Crystal Oscillator: Provision is also made for a secondary 32.768 kHz crystal Y2 (see Figure 8). This oscillator can be used for a low power accurate time base.

— The module comes provided with this Y2 crystal and its load capacitors C6 and C7.

— Load capacitors C6 and C7 provide the entire crystal load capacitance; there is no onboard trim

capacitance.

Figure 7. USB-KW40Z board’s 32 MHz reference oscillator circuit

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USB-KW40Z development board

Figure 8. USB-KW40Z board’s optional 32.768 kHz oscillator circuit

4.2.3 Power management

There is one way to power on the USB-KW40Z board, a J5 type-A connector to supply 5 V(V_USB) directly to the secondary MCU, that includes an internal regulator, 3.3 V output to enable theMKW40Z160 device. The USB-KW40Z power management circuit is shown in Figure 9.

Figure 9. USB-KW40Z power management circuit

Additionally, a green LED marked as D1 is available as a power indicator. For current measurements, users can isolate the MKW40Z160

device, through SH13 cut-trace, this will disable the VCC path (including

LED).

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USB-KW40Z development board

4.2.4 USB-KW40Z peripheral functions

The board includes two different MCUs, one dedicated to RF (MKW40Z160) acquisition and the second features an OpenSDA debugger and processor for BLE sniffer application (MK22FN512).

4.2.4.1 MKW40Z160 peripheral functions

The USB-KW40Z development board includes two push buttons: one for a general purpose peripheral function to assist in implementing targeted applications and the other dedicated to MKW40Z160 hardware reset.

The board also include three LEDs, two for general purposes and the other as a Power-On indicator.

Figure 10 shows the push buttons and LEDs for MKW40Z160.

The application LEDs (D2 and D3) are connected not only with MKW40Z, they also share this connection with the MK22FN512 MCU. You can isolate LEDs to remove or cut the trace over SH5 and SH6.

Figure 10. USB-KW40Z MKW40Z160 push button & LED

4.2.4.2 MK22FN512/Open SDA Interface

• The USB-KW40Z includes an OpenSDA circuitry based on the MK22FN512, that includes all the necessary components to enable communication and debugging, it also provides power output to all MKW40Z160 MCU, and all the necessary connections to interface with MKW40Z160

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peripherals. Figure 11 shows the OpenSDA circuitry based on the MK22FN512

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USB-KW40Z development board

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Figure 11. USB-KW40Z OpenSDA circuitry

USB-KW40Z development board

4.2.4.2.1 OpenSDA interface clock

The USB-KW40Z provides one clock source for the OpenSDA MK22FN512 MCU.

• 8 MHz Reference Oscillator - Figure 12 shows the external 8 MHz external crystal X1. This mounted crystal must meet MK22FN512 specifications. It also provides C44 and C45 to the bulk of the crystal load capacitance.

Figure 12. USB-KW40Z MK22FN512 8 MHz clock source

4.2.4.2.2 MK22FN512 peripheral functions

The USB-KW40Z OpenSDA interface circuit also includes one switch button, to assist in MK22FN512 MCU hardware reset. Figure 13 shows the push button for MK22FN512

Figure 13. USB-KW40Z MK22FN512 push button & LED

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USB-KW40Z development board

D D

C C

B B

A A

POWER ON

IN CIRCUIT

TEST GND

PROBING

SWITCH

MKW40 48-pin MCU

Place caps close to DUT

32MHz XTAL

SWD CONNECTOR KW40

RESET

32kHz XTAL

LEDS

100 Ohm controlled

impedance from DUT

to balun.

50 ohm controlled

impedence line from

Balun to SMA and F_Antenna

CAD NOTE:

Embed pads into

50 Ohm line.

HARMONIC TRAP

K22_SIN

K22_SS

K22_SCK

VDD_RF1, VDD_RF2 and VDD_XTAL

CAD NOTE: XTAL close to KW40

CAD NOTE:

MISO/MOSI POKA-YOKE:

Place both

resistors

with the same orientation

and provide same airgap

between MISO to MOSI resistors

terminals in a square fashion.

XTAL_32M

EXTAL_32M

RST_TGTMCU_B

BAL_C

Z_RF_N

Z_RF_P

RF_50 RF_ANT

RF_N

RF_P

UART0_RTS

UART0_CTS

UART0_TX

UART0_RX

VDCDC_IN

P3V3_KW40

GND

P3V3_KW40

P3V3_KW40 P3V3_KW40

P3V3_KW40

P3V3_K22F

P3V3_KW40

KW40_SWD_DIO

pg(3)

RST_TGTMCU_b pg(3,4)

KW40_SWD_CLK pg(3)

PTB2_KW40

XTAL_32K

EXTAL_32K

PTC0_KW40 PTC1_KW40

EXTAL_32M

XTAL_32M

KW40_SWD_CLK{3}

KW40_SWD_DIO{3}

RST_TGTMCU_b{3,4}

EXTAL_32K

XTAL_32K

PTB0_KW40

PTB1_KW40

PTC0_KW40

PTC1_KW40

I2C1_SDA

I2C1_SCL

PTB2_KW40

SPI_SS

SPI_SIN

SPI_SOUT

SPI_CLK UART_CTS

{3}

UART_RTS

{3}

UART_RXD

{3}

UART_TXD

{3}

BSM_FRAME

BSM_DATA

BSM_SCK

Drawing Title:

Size Document Number Rev

Date: Sheet

Page Title:

ICAPClassification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

MAIN SCHEMATIC

___ ___

SCH-xxxxxPDF: SPF-xxxxx

Drawing Title:

Size Document Number Rev

Date: Sheet of

Page Title:

ICAPClassification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

MAIN SCHEMATIC

___ ___

SCH-xxxxxPDF: SPF-xxxxx

Drawing Title:

Size Document Number Rev

Date: Sheet of

Page Title:

ICAPClassification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

MAIN SCHEMATIC

___ ___

SCH-xxxxxPDF: SPF-xxxxx

32.768KHZ

MH2

MH_80mil

MH4

MH_80mil

10.0K

SH12

C26

0.1UF

TP15

TP8

10.0K

C17

0.6PF

C20

1.8pF

DNP

C28

0.1UF C24

12PF

SW1

TL1015AF160QG

1 2

R14

330

RED

C29

0.1UF

R10

330

SW2

TL1015AF160QG

1 2

MKW40Z160VHT4

PTB3/ADC0_SE2/CMP0_IN4/CLKOUT/TPM1_CH1/RTC_CLKOUT/ERCLK32K19PTB16/EXTAL32K/I2C1_SCL/TPM2_CH021PTB17/XTAL32K/I2C1_SDA/TPM2_CH122PTB18/DAC0_OUT/ADC0_SE4/CMP0_IN2/I2C1_SCL/TPM_CLKIN0/TPM0_CH0/NMI23PTB0/I2C0_SCL/CMP0_OUT/TPM0_CH1/CLKOUT16PTB1/ADC0_SE1/CMP0_IN5/I2C0_SDA/LPTMR0_ALT1/TPM0_CH2/CMT_IRO17PTB2/ADC0_SE3/CMP0_IN3/TPM1_CH0

VDCDC_IN

DCDC_GND

VDD_1P8

VDD_1P45

VDD_0

VSSA

VREFH

VDDA

VDD_XTAL

VDD_RF2

VDD_RF1

VDD_1/VDD

GND9

GND8

GND7

GND6

GND5

GND4

GND3

GND2

GND1

PTA0/SWD_DIO/TSI0_CH8/SPI0_PCS1/TPM1_CH01PTA1/SWD_CLK/T SI0_CH9/TPM1_CH12PTA2/RESET/TMP0_CH33PTA16/TSI0_CH10/SPI1_SOUT/TPM0_CH04PTA17/TSI0_CH11/SPI1_SIN/TPM_CLKIN15PTA18/TSI0_CH12/SPI1_SCK/TPM2_CH06PTA19/TSI0_CH13/SPI1_PCS0/TPM2_CH1

ADC0_DP0/CMP0_IN0

ADC0_DM0/CMP0_IN1

PSWITCH

EXTAL_32M29XTAL_32M30DCDC_LP11DCDC_LN

PTC0/ANT_A/I2C0_SCL/UART0_CTS/TPM0_CH1

PTC1/ANT_B/I2C0_SDA/UART0_RTS/TPM0_CH2/BLE_ACTIVE

PTC2/TSI0_CH14/TX_SWITCH/I2C1_SCL/UART0_RX/CMT_IRO/DTM_RX

PTC3/TSI0_CH15/RX_SWITCH/I2C1_SDA/UART0_TX/DTM_TX

PTC4/TSI0_CH0/EXTRG_IN/UART0_CTS/TPM1_CH0

PTC5/TSI0_CH1/LPTMR0_ALT2/UART0_RTS/TPM1_CH1

PTC6/TSI0_CH2/I2C1_SCL/UART0_RX/TPM2_CH0

PTC7/TSI0_CH3/SPI0_PCS2/I2C1_SDA/UART0_TX/TPM2_CH1

PTC16/TSI0_CH4/SPI0_SCK/I2C0_SDA/UART0_RTS/TPM0_CH3

PTC17/TSI0_CH5/SPI0_SOUT/UART0_RX/DTM_RX

PTC18/TSI0_CH6/SPI0_SIN/UART0_TX/DTM_TX

PTC19/TSI0_CH7/SPI0_PCS0/I2C0_SCL/UART0_CTS/BLE_ACTIVE

DCDC_CFG

RF_P

RF_N

GND10

GND11

GND12

GND13

GND14

GND15

GND16

C25

12PF

TP16

DNP

TP7

TP2

11pF

SH10 0

C27

0.1UF

32MHZ

1 4

TP3

MH1

MH_80mil

11pF

MH3

MH_80mil

TP4

2.2nH

DNP

10.0K

12PF

SH14

HDR 2X5

1 2

3 4657 8

9 10

GREEN

OUTIN

PROBE

MM8030-2600B

DNP

SH11 0

ANT1

MEANDER_ANT_HORZ

12PF

330

C19

10PF

R11

10.0K

DNP

RED

1000pF

2400MHz 50OHM

516

234

C23

12PF

TP14

TP1

4.3 Schematic, board layout, and bill of material

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

16 Freescale Semiconductor, Inc.

Figure 14. USB-KW40Z schematic rev. X1

USB-KW40Z development board

D D

C C

B B

A A

JTAG/SWD CONNECTOR K22FN512VMP12

8MHz XTAL

CAD NOTE: These capacit ors must be placed

as close to MCU as possible

POWER

ENABLE

KW40

PINFUNCT IONSUSED

NET NAMES

UART1_TGTMCU

I2C1_TGTMCU

SPI1_TGTMCU

RESET

BSM

LEDs

GPIOs

Switch

TGTMCU

OpenSDA

USB

CAD NOTE:

TX/RX POKA-YOKE:

Place both

resistors

with the same orientation

and provide same airgap

between TX to RX resistors

terminals in a square fashion.

XTAL0

EXTAL0

USBDM

USBDP

RST_K22F

UART1_CTS_K22F

UART1_RTS_K22F

UART1_TX_K22F

UART1_RX_K22F

JTAG_TCLK_K22F

JTAG_TDI/EZP_DI

JTAG_TDO/TRACE_SWO/EZP_DO

JTAG_TCLK/SWD_CLK/EZP_CLK

JTAG_TMS/SWD_DIO

RST_K22F

JTAG_TDI_K22F

JTAG_TDO_K22F

JTAG_TMS_K22F

JTAG_TCLK_K22F

JTAG_TDO_K22F

JTAG_TDI_K22F

K22_SCK

K22_SIN

K22_SS

SDA_SWD_EN

PTC6_K22

PTC7_K22

RST_K22F

EXTAL0

XTAL0

RST_TGTMCU_b_K22F

SDA_I2S_SIN

SDA_I2S_SOUT

SDA_I2S_SCK

SDA_I2S_SIN

SDA_SWD_OE_B

USBDM

USBDP

K40_USB_SHLD

USB_DP

V_USB_CONN

USB_DN

JTAG_TMS_K22F

PTB0_K22

PTB1_K22

PTA12_K22

r_SWD_DIO_TGTMCU

SDA_SWD_EN

SDA_SWD_EN SWD_CLK_TGTMCU

TC_74125_SPARE_I_TP

TC_74125_SPARE_O_TP

SDA_SWD_OE_B

SDA_I2S_SOUT

SDA_I2S_SCK

V_USB

P3V3_K22F

P3V3_KW40

P3V3_K22F

P3V3_KW40

V_USB

P3V3_K22F

GND

P3V3_K22F

RST_TGTMCU_b{3}

UART_RXD

{3}

UART_TXD

{3}

I2C1_SDA

I2C1_SCL

SPI_SS

SPI_SIN

SPI_SOUT

SPI_CLK

PTC0_KW40

PTC1_KW40

UART_CTS

{3}

UART_RTS

{3}

BSM_DATA

BSM_SCK

BSM_FRAME

BSM_FRAME_b

PTB0_KW40

PTB1_KW40

PTB2_KW40

RST_TGTMCU_b{3}

KW40_SWD_DIOpg(3)

KW40_SWD_CLK pg(3)

Drawing Title:

Size Document Number Rev

Date: Sheet

Page Title:

ICAP Classification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

USB INTERFACE

___ ___

SCH-xxxxx PDF: SPF-xxxxx

Drawing Title:

Size Document Number Rev

Date: Sheet of

Page Title:

ICAP Classification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

USB INTERFACE

___ ___

SCH-xxxxx PDF: SPF-xxxxx

Drawing Title:

Size Document Number Rev

Date: Sheet of

Page Title:

ICAP Classification: FCP: FIUO: PUBI:

X-USB-KW40Z

Wednesday, May 13, 2015

USB INTERFACE

___ ___

SCH-xxxxx PDF: SPF-xxxxx

C30

0.1UF

R15 1.0K

C36

0.1UF

SH9 0

C21

0.1UF

SH5 0

R17

1.0K

TP9

R13

10.0K

DNP

C34

0.01UF

C33

0.1UF

SH1 0

HDR 2X5

1 2

3 4657 8

9 10

NC7SZ14M5X

GND

Y4VCC

TP18

VD-D+G

USB_TYPE_A

S1A1A2A3A4

RT1

MINISMDC050F-2

1 2

74LVC125

4OE134A123OE103A92OE42A51OE11A

VCC

GND

4Y113Y82Y61Y

TP20

SH4

SH6 0

8.00MHZ

C16

0.1UF

R120DNP

R8 33

SH7 0

SW3

TL1015AF160QG

1 2

R16

1.0K

R24

27K

DNP

R20

10.0K

TP19

R22

27K

C45

18PF

DNP

R231.0K

R18

1.0K

SH2 0

C44

18PF

DNP

TP10

R25 1.0K

C32

0.1UF

R21

10.0K

PORT E

PORT A

PORT C

PORT B

PORT D

MK22FN512VMP12

PTC0/ADC0_SE14/SPI0_PCS4/PDB0_EXTRG/USB_SOF_OUT/FB_AD14

PTC1/LLWU_P6/ADC0_SE15/SPI0_PCS3/UART1_RTS/FTM0_CH0/FB_AD13/I2S0_TXD0/LPUART0_RTS

PTC10/ADC1_SE6b/I2C1_SCL/FTM3_CH6/I2S0_RX_FS/FB_AD5

PTC11/LLWU_P11/ADC1_SE7b/I2C1_SDA/FTM3_CH7/FB_RW

PTC2/ADC0_SE4b/CMP1_IN0/SPI0_PCS2/UART1_CTS/FTM0_CH1/FB_AD12/I2S0_TX_FS/LPUART0_CTS

PTC3/LLWU_P7/CMP1_IN1/SPI0_PCS1/UART1_RX/FTM0_CH2/CLKOUT/I2S0_TX_BCLK/LPUART0_RX

PTC4/LLWU_P8/SPI0_PCS0/UART1_TX/FTM0_CH3/FB_AD11/CMP1_OUT/LPUART0_TXB8PTC5/LLWU_P9/SPI0_SCK/LPTMR0_ALT2/I2S0_RXD0/FB_AD10/CMP0_OUT/FTM0_CH2

PTC6/LLWU_P10/CMP0_IN0/SPI0_SOUT/PDB0_EXTRG/I2S0_RX_BCLK/FB_AD9/I2S0_MCLK

PTC7/CMP0_IN1/SPI0_SIN/USB_SOF_OUT /I2S0_RX_FS/FB_AD8

PTC8/ADC1_SE4b/CMP0_IN2/FTM3_CH4/I2S0_MCLK/FB_AD7

PTC9/ADC1_SE5b/CMP0_IN3/FTM3_CH5/I2S0_RX_BCLK/FB_AD6/FTM2_FLT0

PTE0/CLKOUT32K/ADC1_SE4a/SPI1_PCS1/UART1_TX/I2C1_SDA/RTC_CLKOUT

PTE1/LLWU_P0/ADC1_SE5a/SPI1_SOUT/UART1_RX/I2C1_SCL/SPI1_SIN

RESET

VBAT

VDD1

VDD2

VDD3

VDDA

VREFH

ADC1_DM0/ADC0_DM3F2ADC1_DP0/ADC0_DP3G2ADC0_DM0/ADC1_DM3F1ADC0_DP0/ADC1_DP3

PTD0/LLWU_P12/SPI0_PCS0/UART2_RTS/FTM3_CH0/FB_ALE/FB_CS1/FB_TS/LPUART0_RTS

PTD1/ADC0_SE5b/SPI0_SCK/UART2_CTS/FTM3_CH1/FB_CS0/LPUART0_CTS

PTD2/LLWU_P13/SPI0_SOUT/UART2_RX/FTM3_CH2/FB_AD4/LPUART0_RX/I2C0_SCL

PTD3/SPI0_SIN/UART2_TX/FTM3_CH3/FB_AD3/LPUART0_TX/I2C0_SDA

PTD4/LLWU_P14/SPI0_PCS1/UART0_RTS/FTM0_CH4/FB_AD2/EWM_IN/SPI1_PCS0

PTD5/ADC0_SE6b/SPI0_PCS2/UART0_CTS/FTM0_CH5/FB_AD1/EWM_OUT/SPI1_SCK

PTD6/LLWU_P15/ADC0_SE7b/SPI0_PCS3/UART0_RX/FTM0_CH6/FB_AD0/FTM0_FLT0/SPI1_SOUT

PTD7/UART0_TX/FTM0_CH7/FTM0_FLT1/SPI1_SIN

VSSA

VREFL

PTA0/JTAG_TCLK/SWD_CLK/EZP_CLK/UART0_CT S/FTM0_CH5D3PTA1/JTAG_T DI/EZP_DI/UART0_RX/FT M0_CH6D4PTA2/JTAG_T DO/TRACE_SWO /EZP_DO/UART0_T X/FTM0_CH7E5PTA3/JTAG_TMS/SWD_DIO/UART0_RTS/FTM0_CH0D5PTA4/LLWU_P3/N MI/EZP_CS/FTM0_CH1G5PTA5/USB_CLKIN/FTM0_CH2/I2S0_ TX_BCLK/JTAG_T RSTF5PTA12/FTM1_CH0/I2S0_TXD0/FTM1_QD_PHAH6PTA13/LLWU_P4/FTM1_CH1/I2S0_TX_FS/FTM1_QD_PHBG6PTA18/EXTAL0/FTM0_FLT2/FTM_CLKIN0H8PTA19/XTAL0/FTM1_FLT0/FTM_CLKIN1/LPTMR0_ALT1G8PTB0/LLWU_P5/ADC0_SE8/ADC1_SE8/I2C0_SCL/FTM1_CH0/FTM1_QD_PHAF7PTB1/ADC0_SE9/ADC1_SE9/I2C0_SDA/FTM1_CH1/FTM1_QD_PHBF6PTB2/ADC0_SE12/I2C0_SCL/UART0_RTS/FTM0_FLT3E7PTB3/ADC0_SE13/I2C0_SDA/UART0_CTS/FTM0_FLT0E8PTB16/SPI1_SOUT/UART 0_RX/FTM_CLKIN0/FB_AD17/EW M_INE6PTB17/SPI1_SIN/UART0_T X/FTM_CLKIN1/FB_AD16/EW M_OUTD7PTB18/FTM2_CH0/I2S0_TX_BCLK/FB_AD15/FTM2_QD_PHAD6PTB19/FTM2_CH1/I2S0_TX_FS/FB_OE/FTM2_QD_PHB

VSS1

VSS2

VSS3

VREGIND2VOUT33E2USB0_DPE1USB0_DM

EXTAL32H4XTAL32

VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18

DAC0_OUT/CMP1_IN3/ADC0_SE23

C35

1000pF

SH8 0

TP17

TP6

330 OHM

1 2

C31

0.1UF

330 OHM

1 2

TP21

R190DNP

SH3 0

R7 33

SH13

C37

2.2UF

Freescale Semiconductor, Inc 17

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

USB-KW40Z development board

Figure 15. USB-KW40Z development board component location (top view)

Figure 16. USB-KW40Z development board test points

Figure 17. USB-KW40Z development board layout (top view)

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

18 Freescale Semiconductor, Inc.

USB-KW40Z development board

Figure 18. USB-KW40Z development board layout (bottom view)

4.3.1 Bill of materials

Table 2 details the common parts for all frequency bands.

Table 2. Bill of materials (common parts for all frequency bands) (Sheet 1 of 2)

Item Qty Reference Value Description Mfg. Name Mfg. Part Number

1 1 ANT1 MEANDER_ANT_

2 1 C17 0.6PF CAP CER 0.6PF 50V +/-0.05PF C0G

31C20 DNP 1.8PF CAP CER 1.8PF 50V 0.25PF C0G

4 1 C19 10PF CAP CER 10PF 50V 5% C0G 0402 AVX 04025A100JAT2A

5 2 C4,C5 11PF CAP CER 11PF 50V 1% C0G 0402 AVX 04025U110FAT2A

6 5 C6,C7,C23,C24,C25 12PF CAP CER 12PF 50V 5% C0G 0402 MURATA GRM1555C1H120JZ01D

7 2 C44,C45 DNP 18PF CAP CER 18PF 50V 5% C0G 0402 KEMET C0402C180J5GAC

8 2 C8,C35 1000PF CAP CER 1000PF 50V 5% C0G 0402 MURATA GRM1555C1H102JA01D

9 1 C34 0.01UF CAP CER 0.01UF 16V 20% X7R 0402 AVX 0402YC103MAT2A

10 11 C16,C21,C26,C27,C28,

11 1 C37 2.2UF CAP CER 2.2UF 6.3V 20% X5R 0402 KEMET C0402C225M9PACTU

12 1 D1 GREEN LED GRN SGL 30MA SMT 0805 LITE ON LTST-C171KGKT

13 2 D2, D3 RED LED RED CLEAR SGL 30MA SMT

14 2 J1,J6 HDR 2X5 HDR 2X5 TH 50MIL CTR 254H AU

15 1 J4 DNP MM8030-2600B CON COAX SMT 1.9MM SP 40H AU MURATA MM8030-2610B

16 1 J5 USB_TYPE_A CON 1X4 USB_TYPE_A_MALE RA

17 1 L3 2.2NH IND -- 2.2NH@500MHZ 220MA 4%

18 2 L4,L5 330 OHM IND FER BEAD 330OHM@100MHZ

C29,C30,C31,C32,C33, C36

HORZ

0.1UF CAP CER 0.1UF 10V 10% X5R 0402 KEMET C0402C104K8PAC

PCB MEANDER ANTENNA HORIZONTAL, NO PART TO ORDER

0402

0805

91L

SMT -- 178H AU

0402

2.5A -- SMT

NO PART TO ORDER NO PART TO ORDER

MURATA GRM1555C1HR60WA01

MURATA GRM1555C1H1R8CA01

LITE ON LTST-C171KRKT

SAMTEC FTSH-105-04-F-D

SAMTEC USB-AM-S-S-B-SM1

MURATA LQP15MN2N2B02

TDK MPZ2012S331A

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

Freescale Semiconductor, Inc 19

USB-KW40Z development board

Table 2. Bill of materials (common parts for all frequency bands) (Sheet 2 of 2)

Item Qty Reference Value Description Mfg. Name Mfg. Part Number

19 4 MH1,MH2,MH3,MH4 MH_80MIL REWORK HOLE NON-PLATED

20 2 R2,R3 0 RES MF ZERO OHM 1/16W 5% 0402 ROHM MCR01MZPJ000

21 1 R12 DNP 0 RES MF ZERO OHM 1/16W 5% 0402 ROHM MCR01MZPJ000

22 1 R19 0 RES TF ZERO OHM 1/16W

23 2 R7,R8 33 RES MF 33 OHM 1/16W 5% 0402 SMEC RC73L2Z330JTF

24 3 R9,R10,R14 330 RES MF 330 OHM 1/16W 5% 0402 VISHAY

25 6 R15,R16,R17,R18,R23,

26 5 R4,R5,R6,R20,R21 10.0K RES MF 10.0K 1/16W 1% AEC-Q200

27 2 R11,R13 DNP 10.0K RES MF 10.0K 1/16W 1% AEC-Q200

28 1 R22 27K RES MF 27K 1/16W 5% 0402 VISHAY

29 1 R24 DNP 27K RES MF 27K 1/16W 5% 0402 VISHAY

30 1 RT1 MINISMDC050F-2 FUSE PLYSW 0.5A 24V SMT TYCO ELECTRONICS MINISMDC050F-2

31 14 SH1,SH2,SH3,SH4,

32 3 SW1,SW2,SW3 TL1015AF160QG SW SPST PB 50MA 12V SMT E SWITCH TL1015AF160QG

33 14 TP1,TP2,TP3,TP6,TP7,

34 2 TP4,TP14 TPAD_030 TEST POINT PAD 30MIL DIA SMT,

35 1 TP16 DNP TEST POINT

36 1 U1 MKW40Z160VHT4 IC MCU XCVR 2.4GHZ BLUETOOTH

37 1 U5 MK22FN512VMP12IC MCU 32BIT 512KB FLASH 128KB

38 1 U6 NC7SZ14M5X IC INV SGL 1.65-5.5V SOT23-5 FAIRCHILD NC7SZ14M5X

39 1 U8 74LVC125 IC QUAD BUF LINE DRV TS 1.2-3.6V

40 1 X1 8.00MHZ XTAL 8.00MHZ RSN CERAMIC --

41 1 Y1 32MHZ XTAL 32MHZ 9PF -- SMT 3.2X2.5MM NDK EXS00A-CS02368

42 1 Y2 32.768KHZ XTAL 32.768KHZ SMT ROHS

43 1 Z1 2400MHZ 50OHM XFMR BALUN 2400 +/-100MHZ SMT MURATA LDB212G4005C-001

R25

SH5,SH6,SH7,SH8, SH9,SH10,SH11,SH12, SH13,SH14

TP8,TP9,TP10,TP15, TP17,TP18,TP19,TP20, TP21

1.0K RES MF 1.0K 1/16W 1% 0402 YAGEO AMERICA RC0402FR-071KL

0 ZERO OHM CUT TRACE 0402 PADS;

TPAD_040 TEST POINT PAD 40MIL DIA SMT,

WHITE

50MIL DRILL SIZE 65MIL SOLDERMASK TH, NO PART TO ORDER

AEC-Q200 RC0402

0402

NO PART TO ORDER

TEST POINT WHITE 40 MIL DRILL 180 MIL TH 109L

LOW ENERGY MAPLGA64

RAM 1.71-3.6V 120MHZ MAPBGA 64

DHVQFN14

SMT

COMPLIANT

NO PART TO ORDER NO PART TO ORDER

VISHAY INTERTECHNOLOGY

INTERTECHNOLOGY

VISHAY INTERTECHNOLOGY

INTERTECHNOLOGY

LAYOUT ELEMENT ONLY

NOTACOMPONENT NOTACOMPONENT

COMPONENTS CORPORATION

FREESCALE SEMICONDUCTOR

NXP SEMICONDUCTORS

MURATA CSTCE8M00G55-R0

EPSON ELECTRONICS

CRCW04020000ZS

CRCW0402330RJNED

CRCW040210K0FKED

CRCW040227K0JNED

LAYOUT ELEMENT ONLY

TP-105-01-09

MKW40Z160VHT4

MK22FN512VMP12

74LVC125ABQ,115

FC-135 32.7680KA-A3

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

20 Freescale Semiconductor, Inc.

PCB manufacturing specifications

NOTES

• USB-KW40Z includes neither J4 (the MMCX connector) nor the external antenna.

• For external measurements and/or external antenna usage, J4 should be installed and soldered in place.

• A 50 ohm MMCX connector is required; recommended part number MM8030-2600B from Murata.

• When selecting an external antenna to connect to the MMCX connector, choose an antenna designed for the desired frequency band. Operation with an external antenna may require a separate certification of your product.

5 PCB manufacturing specifications

This section provides the specifications used to manufacture the USB-KW40Z development printed circuit board (PCB) described in this guide.

The USB-KW40Z development platform PCBs must comply with the following:

• The PCB must comply with Perfag1D/3C (www.perfag.dk/en/)

• The PCB manufacturer’s logo is required

• The PCB production week and year code is required

— The manufacturer’s logo and week/year code must be stamped on the back of the PCB solder

mask

— The PCB manufacturer cannot insert text on the PCB either in copper or in silkscreen without

written permission from Freescale Semiconductor, Inc.

• The required Underwriter’s Laboratory (UL) Flammability Rating

— The level is 94V-0 ((http://ulstandards.ul.com/standard/?id=94)

— The UL information must be stamped on the back of the PCB solder mask

NOTE

• A complete set of design files for the MKW40Z160 development boards is available at the Freescale website (www.freescale.com/KW40Z) under “Software and Tools.” These reference designs should be used as a starting point for a custom application.

• The Freescale IEEE 802.15.4 / ZigBee Package and Hardware Layout Considerations Reference Manual, (ZHDCRM) is also available at the same web site to provide additional design guidance.

5.1 Single PCB construction

This section describes individual PCB construction details.

• The USB-KW40Z PCBs are four-layer, multi-layer designs

• The PCBs contain no blind, buried, or micro vias

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

Freescale Semiconductor, Inc 21

PCB manufacturing specifications

• PCB data:

— USB-KW40Z size: Approximately 18.5x 61.4 mm (0.73 x 2.42 inches)

— USB-KW40Z final thickness (Cu/Cu): 1.57 mm (0.62 inches) +/- 10% (excluding solder mask)

Table 3 defines some of the layers of the completed PCB. The artwork identification refers to the name of

the layer in commonly used terms.

Table 3. USB-KW40Z layer by layer overview

Layer Artwork Identification File Name

1 Silkscreen Top PSS.art

2 Top Layer Metal L1_PS.art

3 Ground Layer L2_GND.art

4 Signal Layer L3_INT_1.art

5 Bottom Layer Metal L4_SS.art

6 Silkscreen Bottom SSS.art

IMPORTANT: The USB-KW40Z development board contains high frequency 2.4 GHz RF circuitry. As a result, RF component placement, line geometries and layout, and spacing to the ground plane are critical parameters. Therefore, BOARD STACKUP GEOMETRY IS CRITICAL. Dielectric and copper thicknesses and spacing must not be changed; follow the stackup information provided with the reference design (see Figure 19) information provided with the reference design.

Figure 19. USB-KW40Z PCB stackup cross-section (four layer)

• Solder mask is required

• Silk screen is required

5.2 Panelization

The panel size can be negotiated depending on production volume.

5.3 Materials

The PCB composite materials must meet the following requirements:

• Laminate—the base material (laminate) must be FR4. If the laminate material is changed, the RF electrical characteristics may change and degrade RF performance.

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

22 Freescale Semiconductor, Inc.

PCB manufacturing specifications

• Copper foil

— Top and bottom copper layers must be 1 oz. copper

— Interior layers must be 1 oz. copper

• Plating—All pad plating must be Hot Air Levelling (HAL)

5.4 Solder mask

The solder mask must meet the following requirements:

• Solder mask type: Liquid Film Electra EMP110 or equivalent

• Solder mask thickness: 10–30 µm

5.5 Silk screen

The silk screen must meet the following requirements:

• Silk screen color: White

• Silk screen must be applied after application of solder mask if solder mask is required

• The silk screen ink must not extend into any plated-thru-holes

• The silk screen must be clipped back to the line of resistance

5.6 Electrical PCB testing

• All PCBs must be 100 percent tested for opens and shorts

• Impedance measurement - An impedance measurement report is not mandatory

5.7 Packaging

Packaging for the PCBs must meet the following requirements:

• Finished PCBs must remain in panel

• Finished PCBs must be packed in plastic bags that do not contain silicones or sulphur materials. These materials can degrade solderability

5.8 Hole specification/tool table

See the ncdrill-1-4.tap file included with the Gerber files and the FAB-28441.pdf file.

5.9 File description

Files included with the download include Design, Gerber, and PDF files. Gerber files are RS-274x format. Not all files included with the Gerber files are for PCB manufacturing.

PDF files included are:

• FAB-28441.pdf—USB- Board fabrication drawing

• GRB-28441.zip—USB- Metal layers, solder mask, solder paste and silk screen

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

Freescale Semiconductor, Inc 23

Revision history

• SPF-28441.pdf—USB- Schematic

Design files are in Allegro format with OrCAD schematic capture.

6 Revision history

Rev.

number

0 10/2015 Initial release

Date Substantive change(s)

Freescale USB Development Board USB-KW40Z User’s Guide, Rev. 0, 10/2015

24 Freescale Semiconductor, Inc.

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10/2015

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Freescale Semiconductor USB-KW40Z User Manual

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