Infineon CYW9RPIWIFIBT-EVK User Manual
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Infineon CYW9RPIWIFIBT-EVK User Manual

Infineon CYW9RPIWIFIBT-EVK User Manual

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CYW9RPIWIFIBT-EVK Evaluation Kit user guide

About this document

Scope and purpose
®
Infineon's Wi-Fi - Bluetooth
Evaluation Kit with Raspberry Pi CM4 host (CYW9RPIWIFIBT-EVK) enables the
evaluation, prototyping, and development of a wide array of Internet of Things (IoT) and audio applications
using Infineon's AIROC
Wi-Fi and combos portfolio, which integrates IEEE 802.11a/b/g/n/ac/ax Wi-Fi and
™
®
Bluetooth
5.4 in a single-chip solution to enable small form factor (SFF) IoT designs. This kit uses the Raspberry
Pi Compute Module 4 (CM4) lite as the host, which helps users evaluate and develop Infineon's Wi-Fi combo
chipsets over the Linux platform.
Intended audience
This evaluation board is designed for technical specialists who are familiar with connectivity and are interested
®
in WiFi and Bluetooth
development on Linux platforms. It is intended to be used under laboratory conditions.
User guide
Please read the sections "Important notice" and "Warnings" at the end of this document
002-39815 Rev. **
www.infineon.com
2024-06-14

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Summary of Contents for Infineon CYW9RPIWIFIBT-EVK

  • Page 1: About This Document

    5.4 in a single-chip solution to enable small form factor (SFF) IoT designs. This kit uses the Raspberry Pi Compute Module 4 (CM4) lite as the host, which helps users evaluate and develop Infineon's Wi-Fi combo chipsets over the Linux platform.

  • Page 2: Important Notice

    Boards provided by Infineon Technologies. The design of the Evaluation Boards and Reference Boards has been tested by Infineon Technologies only as described in this document. The design is not qualified in terms of safety requirements, manufacturing and operation over the entire operating temperature range or lifetime.

  • Page 3: Safety Precautions

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide Safety precautions Safety precautions Note: Please note the following warnings regarding the hazards associated with development systems Table 1 Safety precautions Caution: The evaluation or reference board contains parts and assemblies sensitive to electrostatic discharge (ESD). Electrostatic control precautions are required when installing, testing, servicing or repairing the assembly.

  • Page 4: Table Of Contents

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide Table of contents Table of contents About this document ..............1 Important notice .
  • Page 5 CYW9RPIWIFIBT-EVK Evaluation Kit user guide Table of contents Disclaimer ................44 User guide 002-39815 Rev.

  • Page 6: Introduction

    Two tri-band dipole antennas USB Type-C to Type-C cable Quick start guide Figure 1 CYW9RPIWIFIBT-EVK Evaluation Kit Inspect the kit contents. If you find any part missing, contact your nearest Infineon sales office or Infineon Support for assistance. User guide 002-39815 Rev.

  • Page 7: Kit Details

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 1 Introduction Kit details The CYW9RPIWIFIBT-EVK Evaluation Kit consists of the following key features: • Raspberry Pi CM4 module as the host • M.2 E-Key radio module interface (2EA module connected by default) • USB Type-C connector for power and debug logs •...

  • Page 8: Getting Started

    • Hardware section describes the design details of the CYW9RPIWIFIBT-EVK hardware blocks Perform the following steps to get started with the Out of Box experience of the CYW9RPIWIFIBT-EVK Kit. Before you start, ensure that you have the following components: •...

  • Page 9: Getting Started With Serial Console Access

    Figure 4 Getting started with CYW9RPIWIFIBT-EVK Getting started with serial console access Perform the following steps to get access to the serial debug console of the CYW9RPIWIFIBT-EVK Kit. Before you power the kit, ensure that you have the following: •...

  • Page 10: Iot Resources And Technical Support

    Password : ifx Figure 5 USB-UART COM port setup IoT resources and technical support Infineon provides a wealth of product documentation at the Wireless Connectivity webpage to help you select the right IoT device for your design. Additionally, Infineon Developer Community...

  • Page 11: Kit Operation

    EVK. Theory of operation CYW9RPIWIFIBT-EVK is built around the Raspberry Pi Compute Module 4. The kit features a Raspberry Pi CM4 ® module as the host and uses a M.2 E-Key standard connector to connect the WiFi - Bluetooth radio modules.
  • Page 12 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 2 Kit operation Figure 7 CYW9RPIWIFIBT-EVK top side User guide 002-39815 Rev. ** 2024-06-14...
  • Page 13 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 2 Kit operation Figure 8 CYW9RPIWIFIBT-EVK bottom side M.2 GPIO header (J37): The 10-pin header provides access to the GPIOs from the M.2 radio module. This connector is not mounted by default on the kit. General-purpose I/Os from the M.2 radio module are mapped to this connector, and users can access them by mounting a male/female header.
  • Page 14 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 2 Kit operation Device USB Type-C connector (J1): This Type-C port on the kit enables the user to access the Raspberry Pi CM4 as a USB device. During booting, if the nRPI_Boot pin of the CM4 module is LOW, booting from the...

  • Page 15: Buttons And Switches

    BT_UART_CTS pin to the ground, causing the radio device to enter autobaud mode Buttons and switches Buttons The buttons available on the CYW9RPIWIFIBT-EVK Kit and their functionality is listed in the following table: Table 2 CYW9RPIWIFIBT-EVK buttons and functionality...

  • Page 16: Jumpers

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 2 Kit operation Jumpers Table 4 to Table 8 lists the jumpers on the CYW9RPIWIFIBT-EVK Kit, their default settings, and usage. Table 4 Jumper J21 pin configuration Jumper J21 (VBAT Default state Description current measurement)

  • Page 17: Connectors

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 2 Kit operation Connectors This section lists out the different connectors available on the CYW9RPIWIFIBT-EVK Kit and pinouts of the same. Table 9 WL UART connector (J35) Pin number Pin name Description WL_UART_TXD WLAN debug UART transmitter...

  • Page 18: Usb Serial Interface Chip

    Kit power supply Input power supply to the CYW9RPIWIFIBT-EVK Kit is provided by the USB Type-C connector (J47), and it can be powered from a USB Type-C port of a laptop. The kit supports an input power of 5 V to 20 V at a maximum of 3 A with the help of the BCR controller on the kit.

  • Page 19: Hardware

    For more details, see the Raspberry Pi CM4 webpage. 2EA M.2 module CYW9RPIWIFIBT-EVK comes with the 2EA M.2 radio module mounted by default. The 2EA M.2 module is built around the CYW55573 chipset from Infineon that enables Wi-Fi, Bluetooth ® and Bluetooth ®...
  • Page 20 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 9 CYW9RPIWIFIBT-EVK power supply system The major source of power supply to the kit is provided by the USB Type-C debug connector (J47) with the BCR controller circuit. The BCR controller enables the Type-C debug connector to provide 5 V-20 V/3 A power to the kit.
  • Page 21 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware CM4 lite module while 3.3 V and 1.8 V supplies are generated internally by the CM4 lite module to power the peripherals like the SD card connector, USB hub, and USB-UART bridge. Additionally, another buck regulator generates the VBAT power (3.3 V/3.6 V) for the M.2 module.

  • Page 22: Usb Type-A Ports And Rpi Device Usb Type-C Connector With Hub Controller

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 12 Voltage regulators and optional 5 V DC jack input USB Type-A ports and RPi device USB Type-C connector with hub controller The baseboard features four USB Type-A ports to connect peripherals such as the mouse, keyboard, etc., to the kit, and an additional USB Type-C connector is provided to access the Raspberry Pi CM4 as a USB device and enables USB boot.

  • Page 23: Hdmi Connector

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 13 USB ports with hub controller HDMI connector A HDMI Type-A standard connector is available on the baseboard that interfaces to one of the HDMI 2.0 ports of the CM4 lite module and allows the user to connect the HDMI compatible display monitor to the kit. The HDMI port is powered from the PERI_5V rail via a current limit switch.

  • Page 24: Microsd Card Connector

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware the board-to-board connector. The RJ45 connector also has links and activity LEDs that indicate whether the network is up. Figure 15 1G Ethernet connector microSD card connector A microSD card connector is provided on the baseboard to insert the pre-flashed microSD card to boot the CM4 lite module.

  • Page 25: Fan Controller And Connector

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 16 microSD card connector Fan controller and connector The cooling fan of the CM4 lite module is powered from the baseboard by the 4-pin fan connector via an I2C fan controller. The fan is powered from the peripheral 5 V rail and the fan controller chip is powered from the 3.3 V rail on the CM4 lite module.

  • Page 26: Audio Out Jack

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware 3.10 Audio out jack A 3.5 mm headphone jack is provided on the baseboard to support the audio out function from the CM4 lite ® module via the PWM interface. This allows the user to explore the Bluetooth audio development feature.
  • Page 27 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 19 USB-UART bridge User guide 002-39815 Rev. ** 2024-06-14...

  • Page 28: M.2 E-Key Radio Card Interface

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware 3.12 M.2 E-Key radio card interface The M.2 radio card (2EA module by default) is mounted on the 75-pin E-key standard M.2 connector on the baseboard. VBAT 3.3 V/3.6 V power generated on the baseboard and other major interfaces like the PCIe, SDIO, HCI UART, and PCM audio interface are routed from the CM4 lite to radio module via this connector.
  • Page 29 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 12 (continued) M.2 radio module connector pin mapping Pin number Pin name Connection to the CM4 lite/other connectors PIN_11 SDIO CMD (I/O)(0/1.8 V) GPIO23 PIN_13 SDIO DATA0 (I/O)(0/1.8 V) GPIO24 PIN_15 SDIO DATA1 (I/O)(0/1.8 V)

  • Page 30: Rpi Cm4 Lite Connectors

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 12 (continued) M.2 radio module connector pin mapping Pin number Pin name Connection to the CM4 lite/other connectors PIN_10 PCM_SYNC/I2S WS (I/O)(0/1.8 V) GPIO19 PIN_12 PCM_OUT/I2S SD_OUT (O)(0/1.8 V) GPIO20 PIN_14 PCM_IN/I2S SD_IN (I)(0/1.8 V)
  • Page 31 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Major control pins from the CM4 lite module are routed to a 8x DIP switch (SW8) for user access. See the Switches section for more details. The CM4 power LED and activity LED on the baseboard are driven from the CM4 via this connector.
  • Page 32 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware User guide 002-39815 Rev. ** 2024-06-14...
  • Page 33 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Figure 21 CM4 lite module connector interface The following table provides the pin mapping details of the CM4 lite module board-to-board connectors. Table 13 CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J5.1...
  • Page 34 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J5.4 PIN_J5.5 USB2_P PIN_J5.6 PIN_J5.7 PIN_J5.8 PIN_J5.9 PCIE_NRST_3P3 PIN_J5.10 PCIE_CLK_P PIN_J5.11 PIN_J5.12 PCIE_CLK_N PIN_J5.13 PIN_J5.14 PIN_J5.15 PIN_J5.16 PCIE_RX_P PIN_J5.17...
  • Page 35 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J5.37 PIN_J5.38 PIN_J5.39 PIN_J5.40 PIN_J5.41 PIN_J5.42 PIN_J5.43 PIN_J5.44 PIN_J5.45 PIN_J5.46 PIN_J5.47 PIN_J5.48 PIN_J5.49 PIN_J5.50 PIN_J5.51 HDMI0_CEC PIN_J5.52 PIN_J5.53...
  • Page 36 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J5.70 HDMI0_D2_P PIN_J5.71 PIN_J5.72 HDMI0_D2_N PIN_J5.73 PIN_J5.74 PIN_J5.75 PIN_J5.76 HDMI0_D1_P PIN_J5.77 PIN_J5.78 HDMI0_D1_N PIN_J5.79 PIN_J5.80 PIN_J5.81 PIN_J5.82 HDMI0_D0_P PIN_J5.83...
  • Page 37 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J10.3 TRD3_P PIN_J10.4 TRD1_P PIN_J10.5 TRD3_N PIN_J10.6 TRD1_N PIN_J10.7 PIN_J10.8 PIN_J10.9 TRD2_N PIN_J10.10 TRD0_N PIN_J10.11 TRD2_P PIN_J10.12 TRD0_P PIN_J10.13...
  • Page 38 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J10.36 ID_SD PIN_J10.37 GPIO7 PIN_J10.38 GPIO11 PIN_J10.39 GPIO8 PIN_J10.40 GPIO9 PIN_J10.41 GPIO25 PIN_J10.42 PIN_J10.43 PIN_J10.44 GPIO10 PIN_J10.45 GPIO24 PIN_J10.46...
  • Page 39 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 3 Hardware Table 13 (continued) CM4 lite board-to-board connector pin mapping Pin number Connection to CM4 lite module PIN_J10.69 SD_DAT2 PIN_J10.70 PIN_J10.71 PIN_J10.72 PIN_J10.73 PIN_J10.74 PIN_J10.75 SD_PWR_ON PIN_J10.76 SD_DET PIN_J10.77 VDD_5V PIN_J10.78 GPIO_VREF PIN_J10.79 VDD_5V PIN_J10.80...

  • Page 40: Kit Rework

    Rework to connect M.2 radio USB interface to USB hub On the CYW9RPIWIFIBT-EVK Kit, the USB interface of the M.2 radio module is not connected to the CM4 lite module. This connection can be enabled by following the rework instructions mentioned below and can be connected to the CM4 lite module via the USB hub, instead of one USB Type-A peripheral port.

  • Page 41: Rework For M.2 Radio Wl_Uart And Bt_Dbg_Rx

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide 4 Kit rework • Remove R87 and R89 • Mount R86 and R88 Figure 23 BT_HOST_WAKE and BT_DBG_TX rework Rework for M.2 radio WL_UART and BT_DBG_RX WL UART pins from the M.2 radio module are not connected to the CM4 lite module by default, as those GPIOs are used for the serial console.
  • Page 42 CYW9RPIWIFIBT-EVK Evaluation Kit user guide 4 Kit rework Figure 24 WL UART interface rework User guide 002-39815 Rev. ** 2024-06-14...

  • Page 43: Revision History

    CYW9RPIWIFIBT-EVK Evaluation Kit user guide Revision history Revision history Document Date of Description of changes version release 2024-06-14 Initial release User guide 002-39815 Rev. ** 2024-06-14...
  • Page 44 Infineon Technologies, Email: erratum@infineon.com Infineon Technologies’ products may not be used in any applications where a failure of the product or any   consequences of the use thereof can reasonably be Document reference expected to result in personal injury.
  • Page 45 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Infineon CYW9RPIWIFIBT-EVK CYW9RPIWIFIBTEVKTOBO1...

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