Laird BTM44 Series Quick setup guide

BTM44x
Hardware Integration Guide
Version 3.5
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1REVISION HISTORY
Revision
Date
Description
1.0 9/10/2011 Initial Release
1.1 04/2012 Up to Build 240
2.0 08/2012 General Formatting
3.0 01/14/2013 Reformatting, Updates to FCC/IC Statements, Updates to Mechanical Specs
3.1 09 Dec 2013 A. Dobbing’s signature added to DoC
3.2 02 Feb 2014 Separated document into two docs: User Guide and Hardware Integration
Guide
3.3 06 Feb 2014 Updated Bluetooth SIG Qualification section
3.4 18 Aug 2014 Updated shipping tray image and added module package dimension image.
3.5 3 Sept 2014 Updated EU Declaration of Conformity for BTM441 / BTM443

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2CONTENTS
1Revision History................................................................................................................................... 2
2Contents............................................................................................................................................... 3
3Product Description............................................................................................................................. 4
3.1 Features and Benefits ........................................................................................................... 4
3.2 Applications .............................................................................................................................. 4
3.3 Bluetooth® Profiles Supported .................................................................................................. 4
4Hardware Specifications ..................................................................................................................... 5
4.1 Pin Definitions ........................................................................................................................... 5
4.3 Physical Specifications ............................................................................................................... 7
4.4 Electrical Specifications.............................................................................................................. 7
4.5 Operational Specifications ......................................................................................................... 7
4.6 Voltage Parameters ................................................................................................................... 8
4.7 I/O Details.................................................................................................................................. 9
5Mechanical Considerations............................................................................................................... 10
6FCC Regulatory Statements .............................................................................................................. 17
6.1 FCC and Industry Canada Statements ..................................................................................... 17
6.1.1 Considerations for OEM Integration............................................................................. 17
6.1.3 FCC Labeling requirement............................................................................................ 18
7Declarations of Compliance ............................................................................................................. 19
7.1 EU Declaration of Conformity – BTM440 / BTM442................................................................. 19
7.1.1 Reference standards used for presumption of conformity: ........................................... 19
7.1.2 Declaration: ................................................................................................................. 19
7.2 EU Declaration of Conformity – BTM441 / BTM443................................................................. 20
7.2.1 Reference Standards used for Presumption of Conformity ........................................... 20
7.2.2 Declaration: ................................................................................................................. 20
8Bluetooth Approvals......................................................................................................................... 21
8.1 Subsystem Combinations ........................................................................................................ 21
8.2 Assumptions ........................................................................................................................... 21
8.3 Additional Assistance .............................................................................................................. 22
9Ordering Information ....................................................................................................................... 23
10 Application Note for Surface Mount Modules ............................................................................... 24
10.1 Introduction ............................................................................................................................ 24
10.2 Shipping.................................................................................................................................. 24
10.3 Reflow Parameters .................................................................................................................. 24
11 References ......................................................................................................................................... 26
12 Glossary of Terms .............................................................................................................................. 27
13 Related Documents and Files ........................................................................................................... 28
13.1 Application Notes.................................................................................................................... 28

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3PRODUCT DESCRIPTION
The BTM44x Bluetooth® modules from Laird Technologies have been designed to meet the needs of
developers who wish to add robust, short range Bluetooth data connectivity to their products. They are based
on the market leading Cambridge Silicon Radio BC04 chipset, providing exceptionally low power consumption
with outstanding range. They support the latest Bluetooth® Version 2.1 Specification, providing the important
advantage of Secure Simple Pairing, which improves security and enhances the ease of use for end customers.
With physical sizes as small as 12.5 x 18.0mm and best of class, low-power operation, these modules are the
ideal choice for applications where designers need both performance and minimum size. For maximum
flexibility in systems integration, the modules are designed to support a separate power supply for I/O.
To aid product development and integration, Laird Technologies has integrated a complete Bluetooth protocol
stack within the modules, including support for multiple Bluetooth Profiles. The modules are fully qualified as
Bluetooth End Products, allowing designers to integrate them within their own products with no further
Bluetooth Qualification. They can then list and promote their products on the Bluetooth website free of
charge.
Support for Serial Port Profile (SPP), Human Interface Device (HID) profile and Health Device Profile (HDP) are
included in the module. The support of the Bluetooth Sig’s Health Device Profile makes this the ideal module
for develop pment of Continua compliant medical and wellness devices. By default the Health Device
Profile supports the ISO/IEEE 11073-10415 device specialization for weigh scales, but additional specializations
for glucose and thermometer are available with more upon request.
Communication is available to the module over a serial UART utilizing either a custom Multi-point Packet
Protocol API or comprehensive AT commands. Combined with a low cost developer’s kit, this ensures that the
choice of Laird Technologies modules guarantees the fastest route to market.
3.1 Features and Benefits
Bluetooth® v2.1+EDR
Adaptive Frequency Hopping to cope
with interference from other wireless
devices
Secure Simple Pairing support
External or internal antenna options
Comprehensive AT interface for simple
programming
Alternate Packet based interface for
complex programming
Bluetooth® END Product Qualified
Compact size
Class 2 output – 4dBm
Low power operation
UART interface
3.2 Applications
Embedded Devices
Phone Devices
Phone Accessories
Security Devices
Medical and Wellness Devices
Automotive Applications
3.3 Bluetooth® Profiles Supported
Serial Port Profile (SPP)
Human Interface Device (HID) Profile Host
and device supported
Health Device Profile (HDP): Agent supported
IEEE Device Specialization 11073-10415 (Weight Scale)
IEEE Device Specialization 11073 - 10408 (Thermometer)
IEEE Device Specialization 11073 – 10417 (Glucose)

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4HARDWARE SPECIFICATIONS
4.1 Pin Definitions
Table 1: Pin definitions
Signal
Description
Voltage Specification
1Unused
2GND
3UART_CTS Clear to Send I/P VUSB
4UART_RXD Receive data I/P VUSB
5UART_RTS Request to Send O/P VUSB
6UART_TXD Transmit data O/P VUSB
7GND
8SPI_CSB SPI bus chip select I/P VIO
9SPI_MISO SPI bus serial O/P VIO
10 SPI_MOSI SPI bus serial I/P VIO
11 SPI_CLK SPI bus clock I/P VIO
12 VDD_USB USB & UART supply voltage
13 VDD_IO I/O supply voltage
14 VDD_IN Main supply voltage
15 GND
16 PCM_IN PCM Data I/P VIO
17 PCM_SYNC PCM sync I/P VIO
18 PCM_CLK PCM clock I/P VIO
19 PCM_OUT PCM Data O/P VIO
20 RESET Module reset I/P See note 2
21 GPIO4 I/O for host- BT_Active BT_State VIO
22 GPIO2 / UART_DCD I/O for host VIO
23 GND
24 Unused
25 Unused See note 3
26 Unused See note 3
27 Unused See note 3
28 GND See note 3
29 ANT (BTM440 / 442 only) Antenna connection (50 ohm matched) See note 3
30 GND See note 3
31 Unused See note 3
32 Unused See note 3
33 Unused See note 3
34 Unused See note 3

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Signal
Description
Voltage Specification
35 Unused See note 3
36 Unused See note 3
37 Unused See note 3
38 Unused
39 Unused
40 Unused
41 GND
42 GPIO1 / UART_RI I/O for host VIO
43 GPIO7 / UART_DTR I/O for host VIO
44 GPIO8 / UART_DSR I/O for host VIO
45 GND
46 D- Not used for AT module variants VUSB
47 D+ Not used for AT module variants VUSB
48 GPIO6 I/O for host- RF_Active VIO
49 GPIO5 I/O for host – WLAN_Active VIO
50 GPIO3 I/O for host – BT_Priority VIO
Notes:
Unused pins may have internal connections and must not be connected.1. Reset input is active low. Input is pulled up to VDD_IN via 22k. Minimum reset pulse width is 5ms.2. Pins 25-37 should be left not connected on modules with integrated antenna (BTM441/3)3. Pins 8 – 11 (SPI related) are only for Laird internal production purposes.4.

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4.3 Physical Specifications
Table 2: Physical Specifications
Categories
Feature
Implementation
Physical
Dimensions
12.5mm x 18.0 x 3.4mm (BTM440 / 442)
12.5mm x 24.0mm x 3.4mm (BTM441/3)
12.5mm x 22.0 x 3.4mm (BTM441 / 443)
Weight 3 grams
Environmental
Operating Temperature
-40°C to +85°C
Storage Temperature -40°C to +85°C
Miscellaneous
Lead free Lead-free and RoHS compliant
4.4 Electrical Specifications
Table 3: Electrical Specifications
Categories
Feature
Implementation
Wireless Specification Bluetooth®Version 2.1+EDR
Transmit Class Class 2
Frequency 2.402 – 2.480 GHz
Channels 79 channels Frequency Hopping
Adaptive Frequency Hopping
Max Transmit Power +4 dBm at antenna pad (BTM440/2)
+4 dBmi from integrated antenna (BTM441/3)
Min Transmit Power -27 dBm at antenna pad (BTM440/2)
-27 dBmi from integrated antenna (BTM441/3)
Receive Sensitivity -84 dBm
Range 30 m
Data Transfer Rate Up to 350 kbps
4.5 Operational Specifications
Table 4: Operational Specifiations
Recommended Operating Conditions
OPERATING CONDITIONS
MIN
MAX
VDD_USB (USB compatibility not required)
1.7 3.6
VDD_USB (USB compatibility required)
3.1
3.6
VDD_IO
1.7
3.3
VDD_IN
3.0
3.3

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4.6 Voltage Parameters
Table 5: Voltage Parameters (VUSB)
Logic Levels (VUSB)
INPUT VOLTAGE LEVELS
MIN
TYP
MAX
Vih
0.7VDD_USB
Vil 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)
Voh (Iout = -4mA)
VDD_USB – 0.4
Vol (Iout = 4mA)
0.4
OUTPUT VOLTAGE LEVELS (2.7<VDD_USB<3.0)
Voh (Iout = -4mA)
VDD_USB – 0.2
Vol (Iout = 4mA)
0.2
Note: VDD_USB must be connected to power the USB and UART interfaces.
Table 6: Voltage Parameters (VIO)
Logic Levels (VIO)
INPUT VOLTAGE LEVELS
MIN
TYP
MAX
Vih
0.7VDD_IO
Vil 2.7<VDD_IO<3.0
-0.4
+0.8
1.7<VDD_IO<1.9
-0.4
+0.4
OUTPUT VOLTAGE LEVELS (1.7 < VDD_IO < 1.9)
Voh (Iout = -4mA)
VDD_IO – 0.4
Vol (Iout = 4mA)
0.4
OUTPUT VOLTAGE LEVELS (2.7 < VDD_IO < 3.0)
Voh (Iout = -4mA)
VDD_IO – 0.2
Vol (Iout = 4mA)
0.2

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4.7 I/O Details
Table 7: I/O Details
Categories
Feature
Implementation
Command
Interface
AT Instructions set
Comprehensive control of connection
and module operation
S Registers for non-volatile storage of parameters
UART Interface
Baud Rate
AT Mode Default Baud Rate: 9600 bps
MP Mode Default Baud Rate: 115,200 bps
Supply Voltage
Supply 3.0V – 3.3V DC
I/O
1.7V – 3.3V DC (independent of Supply)
USB & UART
1.7V – 3.6V DC (independent of Supply)
Coexistence /
Compatibility
WLAN (802.11)
2-wire and 3-wire hardware coexistence
schemes supported
Connections
Interface
Surface Mount Pads
External Antenna (BTM440/2)
Pad for 50 Ohm antenna
Approvals
Bluetooth Qualified as an END product
FCC
Limited Modular Approval (BTM440/2)
Full Modular Approval (BTM441/3)
Industry Canada (IC)
Limited Modular Approval (BTM440/2)
Full Modular Approval (BTM441/3)
CE & R&TTE
Meets CE and R&TTE requirements
Miscellaneous
Lead free
Lead-free and RoHS compliant
Warranty
12 Months
Development
Tools
Development Kit Development board and software tools DVK-BTM440/2
Dev Kit with BTM440/2
module fitted
DVK-BTM441/3 Dev Kit with BTM441/3
module fitted

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5MECHANICAL CONSIDERATIONS
Mechanical Layout - BTM440/442 Mechanical Details
Module Keep-Out Area:An area of 1.5mm around the module should be reserved as a keep-out area.
No other components should be placed in this area.
Note: Development Kit Schematics for this product can be accessed from the following link: DVK Schematics –
BTM44x

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Mechanical layout - BTM440/442 Mechanical Details
Module Keep-Out Area:An area of 1.5mm around the module should be reserved as a keep-out area.
No other components should be placed in this area.
Note: Development Kit Schematics for this product can be accessed from the following link: DVK Schematics –
BTM44x

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Mechanical layout - BTM440/442 Mechanical Details
WARNING: Test point dimensions are for reference only. DO NOT make electrical connections to these
test points, this will void the warranty. Laird does not recommend routing on the top layer
underneath the module.

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Mechanical layout - BTM441/443 Mechanical Details
Module Keep-Out Area:An area of 1.5mm around the module should be reserved as a keep-out area.
No other components should be placed in this area.
Note: Development Kit Schematics for this product can be accessed from the following link: DVK Schematics –
BTM44x

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Mechanical layout - BTM441/443 Mechanical Details
Module Keep-Out Area:An area of 1.5mm around the module should be reserved as a keep-out area.
No other components should be placed in this area.
Note: Development Kit Schematics for this product can be accessed from the following link: DVK Schematics –
BTM44x

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Mechanical layout - BTM441/443 Mechanical Details

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Mechanical layout - BTM441/443 Mechanical Details
WARNING: Test point dimensions are for reference only. DO NOT make electrical connections to these
test points, this will void the warranty. Laird does not recommend routing on the top layer
underneath the module.

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6FCC REGULATORY STATEMENTS
6.1 FCC and Industry Canada Statements
The OEM’s final equipment user manual must show the following statement:
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.
6.1.1 Considerations for OEM Integration
Changes or modifications not expressly approved by Laird Technologies could void the user’s authority to
operate the equipment.
Designers should note the distinction that the FCC makes regarding portable and mobile devices. Mobile
devices are defined as products that are not used closer than 20cm to the human body, whereas portable
devices can be used closer that 20cm to the body. A device may be used in portable exposure conditions with
no restrictions on host platforms when the averaged output power is less than the low power threshold for an
uncontrolled environment ≤60/f(GHz) i.e. 25mW for a 2.4Ghz device. The Maximum Power Exposure for the
BTM44x has been evaluated and found to comply with the low power threshold for an uncontrolled
environment. Refer to FCC document KDB 447498 for more information on RF exposure procedures and
equipment authorization policies for mobile and portable devices.
The BTM44x comply with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This
device and its antenna must not be co-located or operating in conjunction with any other antenna or
transmitter except in accordance with FCC multi-transmitter product procedures. These procedures could
require RF exposure evaluation to be re-evaluated on the complete product.
The installer of the this module into host equipment must ensure his equipment complies with the FCC RF
Exposure requirements set forth in 47 CFR 2.1091 or 2.1093
The BTM44x comply with the RSS-102RF radiation exposure limits set forth for an uncontrolled environment. If
this device and its antenna is co-located or operating in conjunction with any other antenna or transmitter RF
exposure evaluation should be re-evaluated on the complete product by a qualified test house.
The installer of this module into host equipment must ensure his equipment complies with the Industry
Canada RSS-102 RF Exposure requirements.
BTM440 / BTM442
These modules hold a limited modular approval. Approval with any other antenna configuration or layout
other than that approved will necessitate additional radiated emission testing to be performed.
The modules were approved with the following antenna:
RF Solutions: ANT-24G-WHJ-SMA 0dBi

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6.1.3 FCC Labeling requirement
6.1.3.1 BTM440 / BTM442
If the FCC ID is not visible when the module is installed inside another device, then the outside of the device
into which the module is installed must also display a label referring to the enclosed module. This exterior label
can use wording such as the following: “Contains Transmitter Module FCC ID: PI4410B” or “Contains FCC ID:
PI4410B”. Any similar wording that expresses the same meaning may be used.
6.1.3.2 BTM441 / BTM443
If the FCC ID is not visible when the module is installed inside another device, then the outside of the device
into which the module is installed must also display a label referring to the enclosed module. This exterior label
can use wording such as the following: “Contains Transmitter Module FCC ID: PI4411B” or “Contains FCC ID:
PI4411B.” Any similar wording that expresses the same meaning may be used.

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7DECLARATIONS OF COMPLIANCE
7.1 EU Declaration of Conformity – BTM440 / BTM442
Manufacturer:
Laird Technologies
Product:
BTM440/2
EU Directive:
RTTE 1995/5/EC
Conformity Assessment:
Annex IV
7.1.1 Reference standards used for presumption of conformity:
Article Number:
Requirement
Reference standard(s):
3.1a
Health and Safety
EN 60950-1:2006
3.1b
Protection requirements with
respect to electromagnetic
Compatibility
EN 301 489-1 V1.8.1
EN 301 489-17 2.1.1
Emissions:
EN55022:2006/A1:2000/A2:2006(ClassB)
Immunity:
EN61000-4-2:1995/A1:1998/A2:2001
EN61000-4-3:2002/A1:2002
3.2
Means of the efficient use of
the radio frequency spectrum
EN 300 328 V1.7.1 (2006-10)
7.1.2 Declaration:
We, Ezurio Ltd, 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.
Place of Issue:
Ezurio Ltd dba Laird Technologies
Saturn House, Mercury Park
Wooburn Green
HP100HH,
United Kingdom
tel: [phone]
fax: [phone]
Date of Issue:
October 2009
Name of Authorised Person:
Andrew Dobbing, Engineering Manager
Signature:

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7.2 EU Declaration of Conformity – BTM441 / BTM443
Manufacturer:
Laird
Product:
BTM410 / BTM411 / BTM420 / BTM421 /
BTM430 / BTM431 / BTM441 / BTM443 /
BTM461
EU Directive:
RTTE 1995/5/EC
Conformity Assessment:
Annex IV
7.2.1 Reference Standards used for Presumption of Conformity
Article Number
Requirement
Reference standard(s)
3.1a Health and Safety EN 60950-1:2005 (2nd Ed); +Am1:2009 +Am2:2013
EN 60950-1:2006+A11+a1:2010+A12:2011+A2:2013
3.1a
RF Exposure
EN 62479:2010
3.1b Protection requirements with
respect to electromagnetic
compatibility
EN 301 489-1 V1.9.2 (2011-09)
EN 301 489-17 V2.2.1 (2012-09)
Emissions:
EN55022:2010 /AC:2011 (ClassB)
Immunity:
EN61000-4-2:2009
EN61000-4-3:2006 /A1:2008 /A2:2010
3.2
Means of the efficient use of
the radio frequency spectrum
EN 300 328 V1.8.1 (2012-06)
7.2.2 Declaration:
We, Laird, 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.
Place of Issue:
Laird
11160 Thompson Ave.
Lenexa, KS 66219
Date of Issue:
October 2009
Name of Authorized Person:
Daniel Waters / Certifications Specialist
Signature: