RENESAS Wi-Fi Pmod Expansion Board User Guide
- June 6, 2024
- RENESAS
Table of Contents
RENESAS Wi-Fi Pmod Expansion Board
NOTICE
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Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. You are fully responsible for the incorporation or any other use of the circuits, software, and information in the design of your product or system. Renesas Electronics disclaims any and all liability for any losses and damages incurred by you or third parties arising from the use of these circuits, software, or information.
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(Note1) “Renesas Electronics” as used in this document means Renesas
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controlled subsidiaries.
(Note2) “Renesas Electronics product(s)” means any product developed or
manufactured by or for Renesas Electronics.
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Contact Information
For further information on a product, technology, the most up-to-date version of a document, or your nearest sales office, please visit: www.renesas.com/contact/.
Wi-Fi Pmod™ Expansion Board
By using this Wi-Fi Pmod™ Expansion Board, the user accepts the following terms, which are in addition to, and control in the event of disagreement, with Renesas’ General Terms and Conditions available at https://www.renesas.com/en-us/legal/disclaimer.html.
The Wi-Fi Pmod™ Expansion Board is not guaranteed to be error free, and the entire risk as to the results and performance of the Wi-Fi Pmod™ Expansion Board is assumed by the User. The Wi-Fi Pmod™ Expansion Board is provided by Renesas on an “as is” basis without warranty of any kind whether express or implied, including but not limited to the implied warranties of satisfactory quality, fitness for a particular purpose, title, and non-infringement of intellectual property rights with regard to the Wi-Fi Pmod™ Expansion Board. Renesas expressly disclaims all such warranties.
Renesas does not consider the Wi-Fi Pmod™ Expansion Board a finished product and therefore the Wi-Fi Pmod™ Expansion Board may not yet comply with some requirements applicable to finished products, including, but not limited to recycling (WEEE), CE, UL, restricted substances (ROHS), FCC, FEE, and electromagnetic compatibility regulations. Renesas or its affiliates shall in no event be liable for any loss of profit, loss of data, loss of contract, loss of business, damage to reputation or goodwill, any economic loss, any reprogramming or recall costs (whether the foregoing losses are direct or indirect) nor shall Renesas or its affiliates be liable for any other direct or indirect special, incidental or consequential damages arising out of or in relation to the use of this Wi-Fi Pmod™ Expansion Board, even if Renesas or its affiliates have been advised of the possibility of such damages.
Renesas has used reasonable care in preparing the information included in this document, but Renesas does not warrant that such information is error free nor does Renesas guarantee an exact match for every application or parameter to part numbers designated by other vendors listed herein. The information provided in this document is intended solely to enable the use of Renesas products. No express or implied license to any intellectual property right is granted by this document or in connection with the sale of Renesas products. Renesas reserves the right to make changes to specifications and product descriptions at any time without notice. Renesas assumes no liability for any damages incurred by you resulting from errors in or omissions from the information included herein. Renesas cannot verify, and assumes no liability for, the accuracy of information available on another company’s website.
Precautions
This Wi-Fi Pmod™ Expansion Board is only intended for use in a laboratory
environment under ambient temperature and humidity conditions. A safe
separation distance should be used between this and any sensitive equipment.
Its use outside the laboratory, classroom, study area, or similar such area
invalidates conformity with the protection requirements of the Electromagnetic
Compatibility Directive and could lead to prosecution.
The product generates, uses, and can radiate radio frequency energy and may
cause harmful interference to radio communications. There is no guarantee that
interference will not occur in a particular installation. If this equipment
causes harmful interference to radio or television reception, which can be
determined by turning the equipment off or on, you are encouraged to try to
correct the interference by one or more of the following measures:
- Ensure attached cables do not lie across the equipment.
- Reorient the receiving antenna.
- Increase the distance between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that which the receiver is connected.
- Power down the equipment when not in use.
- Consult the dealer or an experienced radio/TV technician for help.
Note: It is recommended that wherever possible shielded interface cables are used.
The product is potentially susceptible to certain EMC phenomena. To mitigate against them it is recommended that the following measures be undertaken:
- The user is advised that mobile phones should not be used within 10 m of the product when in use.
- The user is advised to take ESD precautions when handling the equipment.
The Wi-Fi Pmod™ Expansion Board does not represent an ideal reference design for an end product and does not fulfill the regulatory standards for an end product.
Introduction
This document provides an overview of the Wi-Fi Pmod™ Expansion Board from Renesas that uses the SX-ULPGN Ultra-Low Power Wi-Fi module.
Product Overview
Wi-Fi Pmod™ Expansion Board provides a quick and easy way to interface with the Silex SX-ULPGN module.
More information about Silex SX-ULPGN module can be found on the Silex website: https://www.silextechnology.com/connectivity-solutions/embedded- wireless/sx-ulpgn
Pmod™ Interface
Overview
The Wi-Fi PmodTM Expansion Board provides an interface using a 12-pin Digilent
Pmod™ compatible connector (CN1).
This provides access to:
- A high-speed UART interface (HSUART1)
- A high-speed UART interface (USUART2)
- An external wakeup interrupt pin (GPIO_IOE1)
- A mode reset pin (CHIP_PWD_L)
- VDD and GND connections for module power.
Pmod™ is registered to Digilent Inc. and its specification can be found at the link below: https://reference.digilentinc.com/reference/pmod/specification?redirect=1
Pmod Pin Diagram
Pin Descriptions and Directions
Pin Name
| Description| Direction
---|---|---
HSUART1_TXD| Hi-speed UART1|
TXD Input
HSUART1_RXD
| Hi-speed UART1| RXD Output
HSUART1_CTS| Hi-speed UART1|
CTS Output
HSUART1_RTS
| Hi-speed UART1| RTS Input
HSUART2_RXD| Hi-speed UART2|
RXD Input
HSUART2_RXD
| Hi-speed UART2|
TXD Output
Connector CN1 Pin Assignment
Electrical Specification
Recommended Operating Conditions
Item
| Min.| Typ.| Max.
---|---|---|---
VDD| +2.97 V| +3.3 V|
+3.63 V
Please refer to the module data sheet for full electrical specifications.
Module Control
The high-speed UART interface can be used to communicate with the module using
the Silex AT command protocol.
These commands are explained in the following document:
https://www.silextechnology.com/productspecs/silex-at-command-set-for-sx-
ulpgn
Device Region
Default Region Setting
The device’s region code has been preconfigured at the factory to ensure that it meets the compliance requirements of the region that it is shipped to.
Region Options
| Product Order Code
---|---
EU (CE)|
RTK00WFMX0B00000BE
US (FCC)
|
RTK00WFMX0B01000BE
Region Configuration
The device’s region can be reconfigured using the Silex AT command protocol.
It is the responsibility of the OEM to ensure compliance with all conditions
if using Silex certifications. In particular, the OEM product must ensure if
the module is to be configured for US use that the end user cannot change the
regulatory setting/the country code.
The specific commands required for changing the module’s country code are
discussed in a separate Silex application note:
https://www.silextechnology.com/hubfs/Application%20Notes/AppNote-
CountryCodeConfigurationforSilexDrivers.pdf
Note
Third party links in this document may change at any time and are the responsibility of the third party, not Renesas.
Website and Support
Visit renesas.com/WiFi-pmod to learn more about using the Wi-Fi Pmod™
Expansion Board with Renesas Synergy, RA, and RX microcontrollers.
Visit renesas.com/support to get technical and
sales support.
Revision History
Rev.
| Date| Description
---|---|---
Page|
Summary
1.00
| Apr.29.20| —|
First release document
1.10| Aug.18.20| —| Updated section 3.1, Overview and corrected pins 9 and 10 in section 3.2, PmodTM Pin Diagram.