Anaren A2541R24x Operation & User’s Manual

Text of Anaren A2541R24x User Guide:

• Anaren A2541R24x, Page 18 of 36 A2541R24x – User’s Manual Release Date 11/22/13 assessment) will enable the user to find channels with minimal interference from WLAN devices. Figure 4 WLAN channels 2.2.2. Classic Bluetooth Classic Bluetooth divides the 2.402-2.480 GHz band into 79 channels, each of which is 1MHz wide. However, since Bluetooth changes channels rapidly (up to 1600 times a second), it is unlikely to cause continuous interference in a specific channel and can be overcome by implementing a simple acknowledge/retransmi

• Anaren A2541R24x, Page 30 of 36 A2541R24x – User’s Manual Release Date 11/22/13 4. Mechanical and Process 4.1. Radio Module Details (dimensions in mm) 4.1.1. A2541R24A Figure 11 A2541R24A dimensions 4.1.2. A2541R24C Figure 12 A2541R24C dimensions

• Anaren A2541R24x, A2541R24x – User’s Manual Page 15 of 36 Release Date 11/22/13 thereof). Each model shall be identified by a unique combination of a model number and a certification number, which are assigned as described below in this section. The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. These requirements may be met either b

• Anaren A2541R24x, Page 6 of 36 A2541R24x – User’s Manual Release Date 11/22/13 1.2. A2541R24C The A2541R24C has a compact antenna connector that allows for locating the antenna away from the module due to form/function or in order to exit a metal enclosure. Please see Table 1 for a list of approved antennas. 1.3. Features Features:  2.4 GHz incorporating Bluetooth Smart technology and Proprietary RF System- on-Chip  2.0 to 3.6 V operation  High-Performance and low-power 8051 microcontroller core  256 kB Programmable Flash  8 kB RAM with retention in all

• A2541R24x – User’s Manual Page 13 of 36 Release Date 11/22/13 From section 3.2 RSS-Gen, Issue 3, December 2010, Modular Approval for Category I Equipment or Category II Equipment: “Modular approval permits the installation of the same module in a host device or multiple host devices without the need to recertify the device. Equipment certification for a modu

• Anaren A2541R24x, A2541R24x – User’s Manual Page 19 of 36 Release Date 11/22/13 2.2.5. Time critical data If the user requires specific time critical data throughput that cannot tolerate the delays of potentially many re-transmissions, the user is encouraged to implement an environment-aware algorithm that periodically monitors/scans the frequency band and maintains a list of “best available” channels.

• Anaren A2541R24x, Page 16 of 36 A2541R24x – User’s Manual Release Date 11/22/13 2.1.2.2. RF Exposure All transmitters regulated by IC must comply with RF exposure limits as set forth in RSS-102, Issue 4, section 4, “Exposure Limits”. Furthermore RSS-102, Issue 4, Section 2 “Certification Requirements”, provides assistance in determining the specific requirements for compliance. If appropriate, compliance with exposure guidelines for mobile and unlicensed devices can be accomplished by the use of warning labels and by providing users with information concerning minimum separation distances from transmitting structures and proper instal

• Anaren A2541R24x, A2541R24x – User’s Manual Page 17 of 36 Release Date 11/22/13 The end user is responsible for ensuring compliance with harmonized frequencies and labeling requirements for each country the end device is marketed and sold. For more information see:  Radio And Telecommunications Terminal Equipment (R&TTE) http://ec.europa.eu/enterprise/rtte/index_en.htm  European Conference of Postal and Telecommunications Administrations (CEPT) http://www.cept.org/  European Telecommunications Standards Institute (ETSI) http://www.etsi.org/  European Radi

• Anaren A2541R24x, Page 22 of 36 A2541R24x – User’s Manual Release Date 11/22/13 3. Electrical Characteristics 3.1. Absolute Maximum Ratings Under no circumstances shall the absolute maximum ratings given in Table 4 be violated. Stress exceeding one or more of the limiting values may cause permanent damage to the device. Table 4 Absolute Maximum Ratings Parameter Min Max Unit Condition/Note Supply Voltage (Vdd) -0.3 3.9 V Voltage on any digital pin -0.3 Vdd+0.3, max 3.9 V RF input

• Anaren A2541R24x, A2541R24x – User’s Manual Page 33 of 36 Release Date 11/22/13 4.3.2. Automated Mounting Procedure The AIR Radio Module recommended solder reflow profile is based on IPC/JEDEC J-STD-020.

• Anaren A2541R24x, Page 32 of 36 A2541R24x – User’s Manual Release Date 11/22/13 4.3. Soldering AIR Modules may be mounted either manually (for prototyping or low volume production), or automatically for high-volume production. A no-clean tin/silver/copper (SAC) solder is recommended, however lead based no-clean pastes may also be used. CAUTION: AIR Modules are designed for no-clean fluxes only. DO NOT use water- based fluxes that require aqueous cleaning after solder. Spot cleaning with a flux remover and toothbrush may be performed with care. 4.3.1. Manual Mounting Procedure The recommended soldering method is reflowing of a paste solder on a hot pla

• Anaren A2541R24x, Page 10 of 36 A2541R24x – User’s Manual Release Date 11/22/13 Figure 3 Internal connections for TPS62730 Step-Down Converter Table 1 Approved Antennas Item Part Number Manufacturer Type Gain (dBi) 1 Integral part of A2541R24A Anaren Integral Antenna 2 2 66089-2406 Anaren Monopole whip, 6 mm lead 3 3 66089-2430 Anaren Monopole whip, 30 mm lead 3 1.5. Applications  Bluetooth SMART Systems  Industrial Control and Monitoring  Home/Building Automation  Lighti

• Anaren A2541R24x, Page 14 of 36 A2541R24x – User’s Manual Release Date 11/22/13 In section 7.1.2 Transmitter Antenna, it has been mentioned that the user manuals for transmitters equipped with detachable antennas shall also contain the following notice in a conspicuous location: Notice: This radio transmitter (IC: 8975A-A12062101) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated

• A2541R24x – User’s Manual Page 35 of 36 Release Date 11/22/13 DOCUMENT HISTORY Date Author Change Note No./Notes 05/16/13 Sula Initial Draft 05/19/13 Richardson Updated RF Exposure 05/22/13 Richardson Updated RF Exposure 06/03/13 Richardson Updated multiple sections 10/14/13 Sula Updated multiple sections 10/28/13 Sula

• Anaren A2541R24x, A2541R24x – User’s Manual Page 9 of 36 Release Date 11/22/13 o Power management ensures a stable supply for the internal functions, as well as providing means for a low power sleep mode.  CPU and Memory o The 8051 CPU core used in the CC2541 device is a single-cycle 8051- compatible core. It has three different memory-access buses (SFR, DAT and CODE/XDATA) with single-cycle access to SFR, DATA, and the main SRAM. It also includes a debug interface and an 18-input extended interrupt unit. o The memory arbiter connects the CPU and DMA controller with the

• Page 20 of 36 A2541R24x – User’s Manual Release Date 11/22/13 2.3. Approved Usage The A2541R24A and A2541R24C modules have been approved for use in the US, Canada and Europe. The user is encouraged to use minimum power required to establish a link, thus minimizing interference. Changes or modifications to the module and/or operation outside the limit

• Anaren A2541R24x, Page 26 of 36 A2541R24x – User’s Manual Release Date 11/22/13 Table 7 A2541R24x20 pin descriptions with references to chip pins For details regarding the pin functions, please refer to Emmoco wiki page at http://wiki.emmoco.com. Pin Number Pin Name Pin Type Description TPS62730 PIN CC2541 PIN 1, 3,12, 14, 22, 34 GND Common Ground Connect to GND 2 DNC Do Not Connect. Connecting this pin to anything will significantly affect the performance of the module and may void the end u

• Anaren A2541R24x, A2541R24x – User’s Manual Page 5 of 36 Release Date 11/22/13 1. Overview The A2541R24A and A2541R24C are surface mount 2.4GHz RF transceivers incorporating Bluetooth ® SMART technology per the Bluetooth v4.0 core specification. The A2541R24A has an integral antenna, whereas the A2541R24C utilizes an external antenna through a U.FL connector (see Table 1). These modules incorporate crystals, a step down converter, the required RF matching and filtering for regulatory compliance as well as filtering for noise reduction and sensitivity. They operate in the global unlicens

• Anaren A2541R24x, iii USER’S MANUAL Models A2541R24A and A2541R24C Contents 1. Overview .......................................................................................................................................................... 5 1.1. A2541R24A ................................................................................................................................................. 5 1.2. A2541R24C .......................................................................................................................

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