Related Manuals for Laird BTM420
Summary of Contents for Laird BTM420
- Page 1 BTM420/421 DATA MODULE USER MANUAL VERSION 3.0 Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 www.lairdtech.com/wireless...
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Page 2: Revision History
BTM420/421 ® Bluetooth Data Module EVISION ISTORY Revision Date Description Approved By 22 June 2010 Initial Release Jonathan Kaye 28 May 2012 Changes and Revisions Jonathan Kaye 04 Jan 2013 Formatting, New Hardware Diagrams, FCC Jonathan Kaye Statement updates Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com... -
Page 3: Table Of Contents
Operating Parameters ..........................8 Voltage Specifications ..........................9 FCC Regulatory Statements ........................10 BTM420 FCC and Industry Canada Statements ..................10 BTM421 FCC and Industry Canada Statements ..................11 EU Declaration of Conformity – BTM420 ....................12 EU Declaration of Conformity – BTM421 ....................13 Mechanical Drawings .......................... -
Page 4: Overview And Key Features
Controller Subsystem Products. This allows designers to integrate them existing pre-approved Bluetooth Host and Profile subsystem stacks to gain a Bluetooth END product approval for their product. A low cost developer’s kit is available for prototyping. This ensures that the choice of Laird Technologies Bluetooth modules guarantees the fastest route to market. -
Page 5: Specifications
Class 2 Frequency 2.402 – 2.480 GHz Channels 79 channels Frequency Hopping Adaptive Frequency Hopping Max Transmit Power +4 dBm at antenna pad – BTM420 +4 dBmi (TBC) from integrated antenna – BTM421 Receive Sensitivity -84dBm Range Data Transfer Rate Up to 2.1 Mbps... -
Page 6: Http://Ews-Support.lairdtech.com
Surface Mount Pads External Antenna Pad for 50 Ohm antenna – BTM420 Physical Dimensions 12.5 mm x 18.0 mm x 3.4 mm – BTM420 12.5 mm x 24.0 mm x 3.4 mm – BTM421 Weight 3 grams Environmental Operating Temperature -30°C to +70°C... -
Page 7: Pin Definitions
I/O for host Unused Unused See note 3 Unused See note 3 Unused See note 3 See note 3 ANT (BTM420) Antenna connection (50 ohm matched) See note 3 See note 3 Unused See note 3 Unused See note 3 Unused... -
Page 8: Operating Parameters
BTM420/421 ® Bluetooth Data Module Signal Description Voltage Specification GPIO1 / UART_RI I/O for hose Unused Unused USB D- VUSB USB D+ VUSB Unused Unused Unused Unused pins may have internal connections and must not be connected. Reset input is active low. Input is pulled up to VDD_IN via 22k. Minimum reset pulse width is 5 ms. -
Page 9: Voltage Specifications
BTM420/421 ® Bluetooth Data Module Voltage Specifications Table 5: Logic Levels (VUSB) Logic Levels (VUSB) INPUT VOLTAGE LEVELS 0.7VDD_USB 2.7 <VDD_USB<3.0 -0.4 +0.8 1.7<VDD_USB<1.9 -0.4 +0.4 Output Voltage Levels (1.7 <VDD_USB_1.9) (lout = -4mA) VDD_USB – 0.4 (lout = 4mA) Output Voltage Levels (2.7<VDD_USB<3.0) -
Page 10: Fcc Regulatory Statements
≤ 60/f(GHz) i.e. 25 mW for a 2.4 Ghz device. The Maximum Power Exposure for the BTM420 has been evaluated and found to comply with the low power threshold for an uncontrolled environment. -
Page 11: Btm421 Fcc And Industry Canada Statements
BTM420/421 ® Bluetooth Data Module BTM421 FCC and Industry Canada Statements The user manual must show the following statements: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 12: Eu Declaration Of Conformity - Btm420
Declaration: We, Laird Technologies, declare under our sole responsibility that the essential radio test suites have been carried out and that the above product to which this declaration relates is in conformity with all the applicable essential requirements of Article 3 of the EU Directive 1995/5/EC, when used for its intended purpose. -
Page 13: Eu Declaration Of Conformity - Btm421
Declaration: We, Laird Technologies, declare under our sole responsibility that the essential radio test suites have been carried out and that the above product to which this declaration relates is in conformity with all the applicable essential requirements of Article 3 of the EU Directive 1995/5/EC, when used for its intended purpose. -
Page 14: Mechanical Drawings
BTM420/421 ® Bluetooth Data Module ECHANICAL RAWINGS BTM420 Mechanical Details Note: An area of 1.5 mm around the module should be reserved as a keep-out area. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com Americas: +1-800-492-2320 www.lairdtech.com/bluetooth Europe: +44-1628-858-940 Hong Kong: +852 2923 0610... -
Page 15: Btm420 Mechanical Details
BTM420/421 ® Bluetooth Data Module BTM420 Mechanical Details Note: An area of 1.5 mm around the module should be reserved as a keep-out area. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com Americas: +1-800-492-2320 www.lairdtech.com/bluetooth Europe: +44-1628-858-940 Hong Kong: +852 2923 0610... -
Page 16: Btm420 Mechanical Details
DO NOT WARNING: Test point dimensions are for reference only. make electrical connections to these test points, this will void the warranty. Laird does not recommend routing on the top layer underneath the module. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com... -
Page 17: Btm421 Mechanical Details
BTM420/421 ® Bluetooth Data Module BTM421 Mechanical Details Note: An area of 1.5 mm around the module should be reserved as a keep-out area. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com Americas: +1-800-492-2320 www.lairdtech.com/bluetooth Europe: +44-1628-858-940 Hong Kong: +852 2923 0610... -
Page 18: Btm421 Mechanical Details
BTM420/421 ® Bluetooth Data Module BTM421 Mechanical Details Note: An area of 1.5 mm around the module should be reserved as a keep-out area. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com Americas: +1-800-492-2320 www.lairdtech.com/bluetooth Europe: +44-1628-858-940 Hong Kong: +852 2923 0610... -
Page 19: Btm421 Mechanical Details
BTM420/421 ® Bluetooth Data Module BTM421 Mechanical Details Note: An area of 1.5 mm around the module should be reserved as a keep-out area. Embedded Wireless Solutions Support Center: Laird http://ews-support.lairdtech.com Americas: +1-800-492-2320 www.lairdtech.com/bluetooth Europe: +44-1628-858-940 Hong Kong: +852 2923 0610... -
Page 20: Btm421 Mechanical Details
WARNING: Test point dimensions are for reference only. make electrical connections to these test points, this will void the warranty. Laird does not recommend routing on the top layer underneath the module. The Development Kit Schematics for this product can be accessed from the following link: Development Kit Schematics –... -
Page 21: Ordering Information
ENERAL OMMENTS All information in this document is subject to change. Please check with Laird Technologies for the latest information before commencing a design. If in doubt, ask. Refer to the schematic BTDMD-R-001.pdf for the Development Kit on the following two pages for examples of typical pin connections. -
Page 22: Http://Ews-Support.lairdtech.com
Copyright © 2013 Laird Technologies, Inc. All rights reserved. The information contained in this manual and the accompanying software programs are copyrighted and all rights are reserved by Laird Technologies, Inc. Laird Technologies, Inc. reserves the right to make periodic modifications of this product without obligation to notify any person or entity of such revision.