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| PRELIMINARY CYWM6935 WirelessUSB LRTM Radio Module 1.0 Features 2.0 Functional Description * The CYWM6935 LR 2.4-GHz DSSS Radio SoC Module includes radio (CYWUSB6935) , antenna, and all external components * Complete Radio Module with Dual PCB Trace Antennas * Operates in the unlicensed Industrial, Scientific, and Medical (ISM) band (2.4 GHz-2.483 GHz) * -95-dBm receive sensitivity * Up to 0-dBm output power * Range of up to 50 meters or more * Data throughput of up to 62.5 kbits/sec * SPI microcontroller interface (up to 2 MHz data rate) * Operating voltage from 2.7V to 3.6V * Small PCBA Design: 0.95" (23.75 mm) by 0.95" (23.75 mm) by 0.212" (5.3 mm) (L x W x H) * FCC Modular Approval Grant to meet FCC Part 15, EN 300 328-1, EN 301 489-1, and Industry Canada RSS-210 standards * An FCC Module Approval (MA) Grant provides customers significant cost savings, by allowing customers to adopt the CYWM6935 FCC ID into their own products The CYWM6935 WirelessUSB LR Radio Module offers a complete radio module solution for integration into existing or new 2.4-GHz products. The CYWM6935 is tested for functional operation and is FCC/ETSI(EU)/Industry pre-certified. The module is supplied with dual integrated PCB trace antennas. The CYWM6935 is available in a small PCBA design and can be mounted horizontally to the device PCB via a 12-pin header. The pin-out of the header is shown in Figure 4-1. 3.0 Applications * Consumer / PC -- Locator Alarms -- Presenter Tools -- Remote Controls -- Toys * Building/Home Automation -- Climate Control -- Lighting Control -- Smart Appliances -- On-Site Paging Systems -- Alarm and Security * Industrial Control -- Inventory Management -- Factory Automation -- Data Acquisition -- Automatic Meter Reading (AMR) * Transportation -- Diagnostics -- Remote Keyless Entry Vcc Bypass capacitors 1.8 pF PCB Trace Antenna CYWUSB6935 12-pin 2mm header 3.9 nH PCB Trace Antenna CYWUSB6935 Vcc RFIN RFOUT 10 pF 10 WirelessUSB LR CYWUSB6935 Silicon 13MHz Crystal Figure 3-1. CYWM6935 Module Cypress Semiconductor Corporation Document #: 38-16013 Rev. ** * 3901 North First Street * San Jose, CA 95134 * 408-943-2600 Revised March 9, 2005 PRELIMINARY 3.1 Reference Documentation 3.2 Applications Support For information on technical details of the WirelessUSB LR 2.4-GHz DSSS Radio SoC such as register settings, timing, application interfaces, clocking, and power management, refer to the data sheet of the CYWUSB6935 Radio SoC. CYWM6935 The CYWM6935 is available as a reference design, complete with PCB layout files, schematics, and a bill of materials. The CYWM6935 can be used with the CY3635 WirelessUSB N:1 sensor development kit, and the CY3632 WirelessUSB LS development kit via a 1 x 14 adaptor board. 4.0 Pin Definitions Name GND VCC IRQ nRESET MOSI nSS SCK MISO GND nPD N/C N/C Direction - - Output Input Input Input Input Output - Input - - Ground Supply voltage for the entire Radio Module (2.7V-3.6V). It is recommended that 3.3V be used for most applications. Interrupt signal from Radio Module to the MCU Active low reset signal from MCU to Radio Module Master out, slave in SPI signal from MCU to Radio Module Active low slave select signal from MCU to Radio Module SPI clock from MCU to Radio Module Master in, slave out SPI signal from Radio Module to MCU Ground Active low power-down signal from MCU to Radio Module No connect--leave open No connect--leave open Description Table 4-1. Pin Description Table for the CYWM6935 Pin QFN 1 2 3 4 5 6 7 8 9 10 11 12 12-pin 2mm header GND IRQ MOSI SCK GND N/C 1 3 5 7 9 11 2 4 6 8 10 12 V CC nRESET nSS MISO nPD N/C Figure 4-1. CYWM6935 Header Pin-out Document #: 38-16013 Rev. ** Page 2 of 5 PRELIMINARY CYWM6935 Pin 1 Unit: Mils Figure 4-2. CYWM6935 Mechanical Drawing 12-pin 2mm Header's Pin1 Figure 4-3. CYWM6935 Top View Document #: 38-16013 Rev. ** Page 3 of 5 PRELIMINARY CYWM6935 Figure 4-4. CYWM6935 Schematic This document is subject to change, and may be found to contain errors of omission or changes in parameters. For feedback or technical support regarding Cypress WirelessUSB products please contact Cypress at www.cypress.com. WirelessUSB LR and WirelessUSB LS are trademarks of Cypress Semiconductor Corporation. All product and company names mentioned in this document are the trademarks of their respective holders. Document #: 38-16013 Rev. ** Page 4 of 5 PRELIMINARY Document History Page Document Title: CYWM6935 WirelessUSB LRTM Radio Module Document Number: 38-16013 REV. ** ECN NO. 329974 Issue Date See ECN Orig. of Change BON New data sheet Description of Change CYWM6935 Document #: 38-16013 Rev. ** Page 5 of 5 (c) Cypress Semiconductor Corporation, 2005. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress |
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