u blox Malmo 090502L Wireless Communication System Module User Manual E M Datasheet OEMSPA cB 0905

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INDUSTRIAL BLUETOOTH™
OEM Serial Port Adapter™
cB-0905
Electrical & Mechanical Datasheet
OEM Serial Port Adapter™
cB-0905
Electrical & Mechanical Datasheet
Copyright © 2006 connectBlue AB.
The contents of this document can be changed by connectBlue AB without prior notice
and do not constitute any binding undertakings from connectBlue AB. connectBlue AB
is not responsible under any circumstances for direct, indirect, unexpected damage or
consequent damage that is caused by this document.
All rights reserved.
Release: 2006-08
Document version: 1
Document number: cBProduct-0605-05
Printed in Sweden.
Trademarks
Registered trademarks from other companies are: Bluetooth is a trademark owned by
the Bluetooth SIG, Inc., Microsoft™, Windows™, Windows NT™,
Windows 2000™, Windows CE™, Windows ME™, are registered trademarks from
Microsoft Corporation.
Contents
1 Introduction
1.1
1.2
1.3
1.4
Related Documents ...........................................................................5
Product Variants ................................................................................6
cB-0905 ..........................................................................................7
Block Diagram cB-0905 .....................................................................8
2 Electrical Interface and Connectors
2.1
2.2
2.3
2.4
2.5
Pin Numbering .................................................................................10
Pin Description .................................................................................11
Characteristics .................................................................................14
Hardware Reset ...............................................................................17
Power Control ..................................................................................17
3 Operating Status
18
4 Antennas
19
4.1
4.2
Surface Mounted Antenna (Internal)................................................19
External antennas ............................................................................20
5 Mounting Information
5.1
5.2
5.3
5.4
Board Outlines .................................................................................23
Using the J2/J3 Board-to-Board Connectors ...................................25
Using Press-Fit Nuts for Mounting the Module ................................29
Antenna Issues ................................................................................29
6 Bluetooth Information
6.1
6.2
36
General ........................................................................................36
Product Care ....................................................................................36
Radio Frequency Exposure .............................................................36
Electronic Equipment .......................................................................37
Potentially Explosive Atmospheres..................................................37
Power Supply ...................................................................................37
Appendix A A.1
A.2
32
Declaration of Conformity ................................................................32
Safety Compliance ...........................................................................33
FCC and IC Compliance ..................................................................33
UL listing information .......................................................................35
Compliance with RoHS directive......................................................35
8 Guidelines for Efficient and Safe Use
8.1
8.2
8.3
8.4
8.5
8.6
30
General information .........................................................................30
Bluetooth Qualification information ..................................................31
7 Regulatory Information
7.1
7.2
7.3
7.4
7.5
23
Application Notes
38
Step-by-Step Guide .........................................................................38
Design Examples .............................................................................39
Version 1.0 - 2006-08
1 Introduction
1.1 Related Documents
There are some documents related to the Serial Port Adapter:
The Serial Port Adapter AT Commands document contains a description of the AT
commands supported in the Serial Port Adapter. It also contains information on how to use
the AT commands to create Bluetooth applications.
The OEM Serial Port Adapter Electrical & Mechanical Datasheet (this document)
contains important information about the OEM Serial Port Adapter. Read this document if
you are using the OEM Serial Port Adapter.
Version 1.0 - 2006-08
1.2 Product Variants
This Electrical and Mechanical datasheet contains information about the 4 variants of OEM
Serial Port Adapters based on the PCB cB-0905. This document makes references to the OEM
Module ID, not the Product Name (see Table 1).
Table 1: Product variants
Class 1 TBDdBm
External antenna
Class 1 TBDdBm
Internal antenna
Product Name
OEM Module ID
FCC ID
Bluetooth Type
Description
CB-OEMSPA333i-02
cB-0099-01
PVH090502L
Class 1 / TBDdBm
TBDmW
OEM Serial Port Adapter 333i
with internal antenna, 2mm
pin connector
CB-OEMSPA333i-04
cB-0100-01
PVH090502L
Class 1 / TBDdBm
TBDmW
OEM Serial Port Adapter 333i
with internal antenna, no
connectors
CB-OEMSPA333x-02
cB-0101-01
PVH090502L
Class 1 / TBDdBm
TBDmW
OEM Serial Port Adapter
333x with external antenna,
2mm pin connector
CB-OEMSPA333x-04
cB-0102-01
PVH090502L
Class 1 / TBDdBm
TBDmW
OEM Serial Port Adapter
333x with external antenna,
no connectors
Version 1.0 - 2006-08
1.3 cB-0905
cB-0905 is a small size Bluetooth module based on the Phillips BGB204 system in package (SiP).
The Bluetooth host and the SPA application are running on a separate Host CPU. The Bluetooth
signal is amplified with a power amplifier (PA) built on discrete components, which is covered by
a shield box. The modules are available in many variants with different antenna / connectors.
See Picture 1 - Picture 2 for some of the available models. All models are described in Table 1.
The cB-0905 has an RS232 interface and is fully compatible with the connectBlue 2:nd
Generation Class 1 Serial Port Adapter.
Picture 1: CB-OEMSPA333x-02 OEM Serial Port
Adapter long range with external antenna and 2mm
pin connector
Version 1.0 - 2006-08
Picture 2: CB-OEMSPA333i-04 OEM Serial
Port Adapter long range with internal antenna
and no connectors
1.4 Block Diagram cB-0905
Figure 1: Block diagram of cB-0905
Version 1.0 - 2006-08
2 Electrical Interface and Connectors
This section describes the signals available on the module interface connectors.
There are two ways to connect to the OEM Serial Port Adapter:
•
Via the 2x10-pin 2mm header connector J1 (see Picture 3).
•
Via the 2x20-pin 1mm pitch board-to-board (one piece part) connectors, J2 through J3.
The J2 to J3 connectors on the OEM Serial Port Adapter exist on the module only as a
mating PCB-layout pattern (see Picture 4). See Section 5.2 for more information.
J3
J2
J1
Picture 3: 2x20 2mm pinlist connector, J1.
Version 1.0 - 2006-08
Picture 4: J2 to J3 are available on cB-0905.
2.1 Pin Numbering
2.1.1 J2 and J3
Figure 2: Bottom view of the PCB with the pinning of the J2 and J3 pads connector.
2.1.2 Pinlist
Figure 3: Top view of the PCB with the pinning of the J1 connector.
Version 1.0 - 2006-08
10
2.2 Pin Description
2.2.1 J1 & J2 Connector
Table 2: Signals on J1 and J2.
J1&J2 Pin Name
Pin Nr
Signal Name
Signal
Level
Type
Description
1-2
VSS
Ground
Ground
GND
3-4
VCC_3V3
Power
3.3V
3.3 – 6.0 VDC for
CB-OEMSPA332 modules
RS232-CTS
Clear To Send
RS232
In
RS232-TxD
Transmit Data
RS232
Out
RS232-RTS
Request To Send
RS232
Out
RS232-RxD
Receive Data
RS232
In
RS232-DTR
Data Terminal Ready
RS232
Out
10
RS232-DSR
Data Set Ready
RS232
In
Hardware flow control
Hardware flow control
Also used to control the power
saving mode “stop mode”.
See section 2.5 for more information.
11
RED/Mode
Red LED output
CMOS
In/Out
This signal is multiplexed:
RED:
Logic Red LED Signal (see Chapter 3,
Table 8). Pin is used as input for
approximately 500ms at startup.
Mode:
The level on this pin during power
up selects RS232 (High) or logic
(Low) level UART-communication.
The Mode pin is only valid during
the first 500ms after startup and
cannot be changed during operation.
The Mode pin is internally pulled up
i.e. RS232 mode is the default setting. Recommended value of the
pull-down resistor is 1kΩ**.
See section A.2.3.2 for design examples.
Version 1.0 - 2006-08
11
J1&J2 Pin Name
Pin Nr
Signal Name
Signal
Level
Type
Description
12
Function switch
CMOS
In
Used for the “Connect on external
signal” function, see the Serial Port
Adapter AT command Specification
for more information on the Function switch.
Switch-0
See section A.2.3.4 for design examples.
13
GREEN/
Switch-1
Green LED output and
Restore switch
CMOS
In/Out
This signal is multiplexed:
GREEN:
Logic Green LED Signal (see Chapter
3, Table 8). Not valid until 500ms
after startup.
Switch-1:
If the level on this pin is pulleddown with 1kΩ** the units goes
back to default serial settings.
The “Restore Default” input is only
active during the first 500ms after
startup.
See the Serial Port Adapter AT
command Specification for more
information on the Restore switch.
See section A.2.3.3 for design examples.
14
BLUE
Blue LED output
CMOS
Out
Logic Blue LED Signal (see Chapter
3, Table 8).
Note:
Signal will flicker at data transmission.
See section A.2.3.1 for design examples.
15
UART-CTS*
Clear To Send
CMOS
In
16
UART-TxD*
Transmit Data
CMOS
Out
17
UART-RTS*
Request To Send
CMOS
Out
18
UART-RxD*
Receive Data
CMOS
In
19
UART-DTR*
Data Terminal Ready
CMOS
Out
20
UART-DSR*
Data Set Ready
CMOS
In
Hardware flow control.
Hardware flow control.
* All signals are logic level UART signals (typically 0 - 3VDC)
** Use 1kΩ as pull-down which is different to previous product generations from connectBlue
Version 1.0 - 2006-08
12
2.2.2 J3 Connector
Table 3: Signals on J3
J3
Pin Nr
Pin Name
Signal Name
Signal
Level
Type
1-8
Description
Reserved, do not connect.
SerialSelect-0
Serial Select 0
CMOS
Out
Control signal for external serial
transceivers. See section A.2.2.4
for more info.
10
SerialSelect-1
Serial Select 1
CMOS
Out
Control signal for external serial
transceivers. See section A.2.2.4
for more info.
11-18
19
Reserved, do not connect.
RESET
Hardware reset
CMOS
In
Active low. Must be open drain
collector.
See section 2.4 for design examples.
20
Reserved, do not connect.
Version 1.0 - 2006-08
13
2.3 Characteristics
The cB-0905 module has a linear power supply, which means that the current is constant if the
voltage supply is changed. See Table 5.
For more information about low power modes see Serial Port Adapter AT commands
Specification.
2.3.1 Power supply
NOTE: Read the safety notes in section 7.2 before using the modules.
Table 4: Power supply
Symbol
Parameter
Value Unit
VCC_3V3
Power supply (Unregulated*)
Min
3.3 VDC
Max
6.0 VDC
* The module is equipped with an internal linear voltage regulator.
Table 5: Current consumption
Symbol
Mode
ICC
Not connected
Stop mode not enabled.
@ VCC_3V3 = 3.3V
Value Unit
Average
TBD
mA
Peak
TBD
mA
Average
TBD
mA
Peak
TBD
mA
Average
TBD
mA
Peak
TBD
mA
Connectable,
discoverable
Average
TBD
mA
Peak
TBD
mA
Idle or Receiving
Average
TBD
mA
Peak
TBD
mA
Average
TBD
mA
Peak
TBD
mA
Average
TBD
mA
Peak
TBD
mA
mA
20
kΩ
Not conNot connectable
nected, stop
mode enabled
Connectable
Connected
Transmitting
@115.2kbit/s
Inquiry
IRS232 Output
RRS232 load
RS232
Average
RS232
Typ
RS232 output signals TxD, RTS, DTR loaded with 3kΩ. Not included in ICC, very dependent on the load.
Internal load on each RS232 input pin.
Version 1.0 - 2006-08
14
2.3.2 Input/Output signals
Table 6: Input/output signals
Symbol
Parameter
VIN Low
Logic LOW level input voltage
VIN High
Logic HIGH level input voltage
Unit
Min
-0.3
Max
0.8
Min
2.0
Max
3.2
VOUT Low
Logic LOW level output voltage
Max
0.4
VOUT High
Logic HIGH level output voltage
Min
2.5
Sink and source current
Max
2*
mA
VIN Reset threshold
Typ
2.63
VIN Reset Active Timeout Period
Typ
240
ms
IGPIO
RESETTH
Value
Different compared to previous products from connectBlue
Version 1.0 - 2006-08
15
2.3.3 Environmental
Table 7: Temperatures characteristics
Parameter
Value
Storage temperature
Maximum operating temperature
Unit
Min
-40
°C
Max
+125
°C
Min
-30
°C
Max
+85
°C
Version 1.0 - 2006-08
16
2.4 Hardware Reset
A hardware
RESET
input is available on the J3 connector (see section 2.1). An external reset
source must be open drain collector, see section A.2.4 for design examples. The
internally pulled-up with 120kΩ.
RESET pin
is
2.5 Power Control
For more information about “Stop Mode” and other low power modes, see the Serial Port
Adapter AT command Specification.
Version 1.0 - 2006-08
17
3 Operating Status
The module can be in different modes (see the Serial Port Adapter AT command Specification
for more information about the modes) and the RED, GREEN and BLUE signals can be used to
detect or indicating the status, see Table 8. The LED signals are active LOW.
Table 8: Signal states in different module modes
Serial Port Adapter Mode
Status
RGB LED
Color
GREEN
GPIO
BLUE
GPIO
RED
GPIO
Data mode
IDLE
Green
LOW
HIGH
HIGH
AT mode
IDLE
Orange
LOW
HIGH
LOW
Data mode, AT mode
CONNECTING*
Purple
HIGH
LOW
LOW
Data mode, AT mode
CONNECTED*
Blue
HIGH
LOW
HIGH
* On data activity the active LEDs flashes and will be HIGH for 50-100ms. For information on how to suppress the
flashes see section A.2.3.1.
DTR signal can be set to indicate an active Bluetooth link. For more information see Serial Port Adapter AT command
Specification.
Version 1.0 - 2006-08
18
4 Antennas
There are 2 different antenna options available:
•
An internal surface mounted (SMD) antenna.
•
An external antenna should be connected to a U.FL connector. Many different external
antennas are available.
See section 5.1 for more information on antenna placement.
This chapter gives an overview of the different antenna options.
4.1 Surface Mounted Antenna (Internal)
The unit cannot be mounted in a metal-shielded enclosure with this antenna.
Part Number
OEMSPA 312i / 332i
Antenna name
Mica 2.4 GHz
Manufacture
gigaAnt
Polarization
Linear
Gain
+2.5dBi
Antenna size
(LxWxH)
20.5x3.6x3.3 mm
Comment
The antenna gain is dependent of the mounting of the module.
See section 5.4 for mounting the module considering the antenna.
Version 1.0 - 2006-08
19
4.2 External antennas
The external antennas are connected to the board through a U.FL connector. Some of the
antennas are connected directly to the U.FL connector of the board and some are connected
using an SMA connected through a short U.FL to SMA adapter cable.
4.2.1 Antenna Accessories
Part Number
cB-ACC-18
Name
U.FL to SMA
adapter cable
Connector
U.FL and
SMA female
Cable length
120 mm
Cable loss
Less than 0.5dB
Comment
The SMA connector may be mounted in a panel. Not approved for use in the
US and Canada.
4.2.2 Antennas
Part Number
cB-ACC-16
Name
WCR-2400-SMA
Manufacture
Centurion
Type
½ wave dipole
Polarization
Vertical
Gain
+2.5dBi
Size
100 mm (Straight)
Connector
SMA male
Comment
To be mounted on the U.FL to SMA adapter cable.
Approval
Not approved for use in the US and Canada.
Version 1.0 - 2006-08
20
Part Number
cB-ACC-27
Name
WCR-2400-IP04
Manufacture
Centurion
Type
½ wave dipole
Polarization
Vertical
Gain
+2.0dBi
Size
108 mm (Straight)
Connector
U.FL connector
Comment
To be mounted on the U.FL connector on the PCB.
Approval
Approved for use in the US and Canada
Part Number
cB-ACC-17
Name
Reel planTec Bluetooth m70
Manufacture
Reel
Size (∅xH)
75x20 mm
Gain
+1dBi
Mounting
M16x13.6 mm
Cable length
3m
Connector
SMA male
Other info
Waterproof (IP67)
Comment
To be mounted on the U.FL to SMA adapter cable.
Approval
Not approved for use in the US and Canada.
Part Number
cB-ACC-19
Name
Microblue
CAP24235
Manufacture
Centurion
Type
Microstrip
Polarization
Linear
Gain
+1.5dBi
Size
21x60 mm
Cable length
200 mm
Connector
U.FL
Comment
Connected directly to the U.FL connector on OEM board.
Approval
Approved for use in the US and Canada
Version 1.0 - 2006-08
21
Part Number
cB-ACC-23
Name
Mobile Mark Stub
Manufacture
Mobile Mark
Communications
Antennas
Type
¼ wave dipole
Polarization
Vertical
Gain
0dBi
Connector
SMA male
Comment
To be mounted on the U.FL to SMA adapter cable
Approval
Not approved for use in the US and Canada.
Part Number
cB-ACC-21
Name
Rugged SMA
Manufacture
Radiall/Larsen
Type
½ wave dipole
Polarization
Vertical
Gain
2dBi
Connector
SMA male
Comment
To be mounted on the U.FL to SMA adapter cable
Approval
Not approved for use in the US and Canada.
Version 1.0 - 2006-08
22
5 Mounting Information
5.1 Board Outlines
5.1.1 cB-0905
Figure 4: cB-0905 dimensions [mm]. The J2 pads are longer to fit both the single and double row connectors (see section 5.2).
Version 1.0 - 2006-08
23
5.1.2 Mounting Holes
There are 2 x 2.3mm mounting holes on cB-0905. The reasons for the 2.3mm holes are that the
threaded M2 holes on the single and double row connectors (see section 5.2.1) are not aligned.
The outer tangents of the 2.3mm holes align the module if the single row connectors are used
and the inner if double row connectors are used (see Figure 5).
Choose the outer tangent (CC distance 27.24mm) if the module is aligned and mounted with
some other technique based on M2 screws (e.g. press-fit nuts), see Figure 6 and Figure 7.
Figure 5: The 2.3mm mounting holes [mm]
Version 1.0 - 2006-08
24
5.2 Using the J2/J3 Board-to-Board Connectors
The board-to-board connector should be a 1mm pitch one-piece part connector. The
recommended manufacture is Samtec with many connector options available; see section
5.2.1.1 and 5.2.1.2.
Chapter 2 contains more information about the connector and the electrical interface.
5.2.1 Suitable One-Piece Part Connectors
5.2.1.1 Single row connectors
These connectors are a single row connector and can be used if only J2 is needed.
This connector has a profile height of 1.65 mm and this has to be considered if components are
to be mounted on the motherboard under the OEM Serial Port Adapter board.
There are alignment pins on the bottom side of the connector.
The connector is available with M2 threaded inserts that fit the mounting holes on the board
(see section 5.1.2). You may screw the OEM Serial Port Adapter board directly into these inserts.
If you want to have a tighter and more secure mounting, you may use longer screws and secure
it using a nut on the backside of the motherboard.
Another way to mount the module is to use press-fit nuts on the motherboard and skip the M2
threads on the connector, see section 5.3 for more information about press-fit nuts.
Table 9: Single row connectors from Samtec.
Samtec order
number
Quote
number
Equivalent part
Package
Remark
ASP-118645-01
55392
SEI-120-02-GF-S-AB
Tube
Align pin on bottom
side only
ASP-118645-02
55392
SEI-120-02-GF-S-AB-TR
Tape-n-Reel
Align pin on bottom
side only
ASP-118579-01
55392
SEI-120-02-GF-S-M-AB
Tube
With M2 threaded
inserts and align pin on
bottom side only
ASP-118579-02
55392
SEI-120-02-GF-S-M-AB-TR
Tape-n-Reel
With M2 threaded
inserts and align pin on
bottom side only
NOTE:
When ordering connectors from Samtec or an official Samtec distributor, please use the ASP
order number and refer to the connectBlue global quote number for best price. For technical
questions regarding the Samtec connectors please contact connectBlue or Samtec at
(Scandinavia@samtec.com).
See Figure 6 for more information about the connector and necessary measurements on the
motherboard. The large mounting holes on the motherboard are designed for press-fit nuts and
could be smaller if press-fit nuts are not used. The mounting holes are aligned with the outer
tangent of the 2.3mm mounting holes of the module (see section 5.1.2).
Version 1.0 - 2006-08
25
Figure 6: Host PCB layout [mm] for single row connector.
Version 1.0 - 2006-08
26
5.2.1.2 Double row connectors
This connector is a double row connector and can be used if both J2 and J3 are needed.
This connector has a height of 3.0mm and this has to be considered if components are to be
mounted on the motherboard under the OEM Serial Port Adapter board. The connector is also
available with a height of 6.0mm and 10.0mm (The FSI-120 serie from Samtec).
There are alignment pins on the bottom side of the connector.
The connector is available with M2 threaded inserts that fit the mounting holes on the board
(see section 5.1.2). You may screw the OEM Serial Port Adapter board directly into these inserts.
If you want to have a tighter and more secure mounting you may use longer screws and secure
it using a nut on the backside of the motherboard.
Another way to mount the module is to use press-fit nuts on the motherboard and skip the M2
threads on the connector, see section 5.3 for more information about press-fit nuts.
Table 10: Double row connectors from Samtec.
Samtec order
number
Quote
number
Equivalent part
Package
Remark
REF-120021-01
55392
FSI-120-03-G-D-AB
Tube
Align pin on bottom
side only
REF-120021-02
55392
FSI-120-03-G-D-AB-K-TR
Tape-n-Reel
Align pin on bottom
side only
REF-120018-01
55392
FSI-120-03-G-D-M-AB
Tube
With M2 threaded
inserts and align pin on
bottom side only
REF-120018-02
55392
FSI-120-03-G-D-M-AB-K-TR
Tape-n-Reel
With M2 threaded
inserts and align pin on
bottom side only
NOTE:
When ordering connectors from Samtec or an official Samtec distributor, please use the REF
order number and refer to the connectBlue global quote number for best price. For technical
questions regarding the Samtec connectors please contact connectBlue or Samtec at
(Scandinavia@samtec.com).
See Figure 7 for more information about the connector and necessary measurements on the
motherboard. The large mounting holes on the motherboard are designed for press-fit nuts and
could be smaller if press-fit nuts are not used (see section 5.1.2).
Version 1.0 - 2006-08
27
Figure 7: Host PCB layout [mm] for double row connector.
Version 1.0 - 2006-08
28
5.3 Using Press-Fit Nuts for Mounting the Module
A press-fit nut is pressed into the PCB from the bottom side with a special press tool. M2 sized
press-fit nuts are suitable for the modules (see Figure 6 and Figure 7) and are manufactured by
PEM Fastening Systems (www.pemnet.com), part no KFS2-M2 (see Figure 8). Be careful with
the distance between the nuts regarding alignment, see section 5.1.2.
Figure 8: KFS2-M2 press-fit nut.
Spacer-pipes are recommended to use between the PCBs when press-fit nuts are used.
5.4 Antenna Issues
The unit cannot be mounted arbitrary, because of the radio communication. The unit with an
internal surface mounted antenna (CB-OEMSPA333i) cannot be mounted in a metal enclosure.
No metal casing or plastics using metal flakes should be used, avoid also metallic based paint or
lacquer. Keep a minimum clearance of 10mm between the antenna and the casing. Keep 10
mm free space from metal around the antenna.
If a metal enclosure is required, one of the external antenna options has to be used. See section
4.2 for more information on the antenna options available.
Version 1.0 - 2006-08
29
6 Bluetooth Information
6.1 General information
In the tables below you can find information about Bluetooth properties. The output power of
the cB-OEMSPA333i/x device is max TBD dBm (TBDmW).
Table 11: Bluetooth information CB-OEMSPA-333i/x
Parameter
Data
Bluetooth radio
Phillips BGB204
Bluetooth base band controller
Phillips BGB204
Radio power amplifier
muRata MF2400PS-AL0909 (+20dB)
RF output power
Class 1, max TBDdBm (TBDmW)
Receive sensitive level
-83 dBm
Receive input level (max)
+16dBm
Output frequency
2.402 –2.480 GHz, ISM band.
Bluetooth stack
Embedded host stack
Bluetooth qualification
2.0
Version 1.0 - 2006-08
30
6.2 Bluetooth Qualification information
All products based on the PCB cB-0905-02 have been qualified according to the Bluetooth
specification 2.0.
Table 12 - Bluetooth Qualification information
Module
Bluetooth specification
QPLN reference
Qualification date
cB-OEMSPA333i/x
2.0
TBD
TBD
The following Bluetooth profiles are supported (covered functionality):
•
Generic Access Profile (GAP)
•
Serial Port Profile (SPP)
•
Dial-up Networking Profile (DUN GW, DUN DT)
When creating end products based on the Serial Port Adapter the following applies:
•
The end product does not have to be re-qualified.
o The end product or the end product documentation based on
cB-OEMSPA333i /x products shall make the following information available: “This
product contains a Bluetooth qualified product QPLN TBD”.
•
The Bluetooth Trademark may be placed on the end product (requires Bluetooth SIG
membership, for more information see www.bluetooth.org).
•
The Bluetooth Trademark may be used in material related to the end product (requires
Bluetooth SIG membership, for more information see www.bluetooth.org).
For more information please contact connectBlue.
Version 1.0 - 2006-08
31
7 Regulatory Information
7.1 Declaration of Conformity
We, connectBlue AB, of
Norra Vallgatan 64 3V
SE-211 22 Malmö, Sweden
declare under our sole responsibility that our products:
cB-OEMSPA333i/x (cB-0099, cB-0100, cB-0101, cB-0102)
OEM Module Adapter III (cB-0068).
to which this declaration relates, conforms to the following product specifications:
R&TTE Directive 1999/5/EC
EN 300 328 V1.6.1 (2004-11)
EMC Directive: 89/336/EEC
EN 301 489-1 V1.4.1 (2002-08)
EN 301 489-17 V1.2.1 (2002-08)
EN 61000-6-2 (2001)
Safety Compliance
EN 60950-1:2001 and/or IEC 60950-1:2001 (1st Edition)
EN 60950-1/A11:2004 + Corrigendum:2004
Medical Electrical Equipment
IEC 60601-1-2 (2001)
17/07/2006 Malmö, Sweden
Mats Andersson
CTO of connectBlue AB
If a cB-OEMSPA333i/x is used within EU a notification must be made to each of the national
authorities responsible for radio spectrum management of the intention to place radio
equipment that uses frequency bands whose use is not harmonized throughout the EU, on
its national market.
More information at: http://europa.eu.int/comm/enterprise/rtte/gener.htm
Version 1.0 - 2006-08
32
7.2 Safety Compliance
In order to fulfill the safety standard EN 60950-1 the unit must be supplied by a limited power
source.
7.3 FCC and IC Compliance
See Table 1 for information about the different product variants.
7.3.1 Compliance for cB-0905-0202
7.3.1.1 FCC Statement for cB-0905-0202
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.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
•
Reorient or relocate the receiving antenna
•
Increase the separation between the equipment and receiver
•
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected
Consult the dealer or an experienced radio/TV technician for help
7.3.1.1.1 Antenna
Our module type cB-0905-0202 is for OEM integrations only. The end-user product will be
professionally installed in such a manner that only the authorized antennas are used.
7.3.1.1.2 Caution
Any changes or modifications NOT explicitly APPROVED by connectBlue AB could cause the
module to cease to comply with FCC rules part 15, and thus void the user’s authority to operate
the equipment.
7.3.1.2 IC Compliance
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.
List of approved antennas:
•
2.4 GHz Flying Lead Straight Antenna IHF-242
•
WCR-2400-IP04
•
MicroBlue CAP24235
•
NanoBlue-IP04
Version 1.0 - 2006-08
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•
2.4 GHz Mica SMD Antenna (Internal)
This device has been designed to operate with an antenna having a maximum gain of +2,5dBi.
Antennas not included in this list or having a gain greater than +2.5dBi are strictly prohibited for
use with this device. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so
chosen that the equivalent isotropically radiated power (EIRP) is not more than that required for
successful communication.
The installer of this radio equipment must ensure that the antenna is located or pointed such
that it does not emit RF field in excess of Health Canada limits for the general population;
consult Safety Code 6, obtainable from Health Canada’s website www.hc-sc.gc.ca/rpb.
7.3.1.3 Labeling Requirements for End Product
For an end product using the product cB-0905-0202 there must be a label containing, at least,
the following information:
This device contains
FCC ID: PVH090502L
IC: 5325A-090502L
The label must be affixed on an exterior surface of the end product such that it will be visible
upon inspection in compliance with the modular approval guidelines developed by the FCC.
Where the module will be installed in final products larger than 8 cm x 10 cm following
statement has to be placed ONTO the device.
“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.”
In case, where the final product will be installed in locations where the end-consumer is not
able to see the FCC ID and/or this statement, the FCC ID and the statement shall also be
included in the end-product manual.
7.3.1.4 RF-exposure Statement for cB-0905-0202
This modular transmitter MUST have a separation distance of at least 20 cm between the
antenna and the body of the user or nearby persons, excluding hands, wrists, feet, and ankles.
If the radio module is installed in a laptop display, transmission MUST be prevented if the lid is
closed to ensure that the minimum distance of 20 cm between the user and the transmitting
antenna is maintained.
Any notification to the end user of installation or removal instructions about the integrated
radio module is NOT allowed.
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7.4 UL listing information
If a customer intends to UL list a product including any of the Bluetooth modules based on the
PCB cB-0905-02 this information is useful:
The printed circuit board if produced according to the following specification:
•
UL recognized ZPMV2 min. 105 °C flame class V-0 or better.
7.5 Compliance with RoHS directive
All products based on the PCB cB-0905-02 are produced according to the RoHS (Restriction of
the use of certain Hazardous substances in electrical and electronic equipment) directive and
complies with the directive.
Version 1.0 - 2006-08
35
8 Guidelines for Efficient and Safe Use
8.1 General
Read this information before using your OEM Serial Port Adapter.
For any exceptions, due to national requirements or limitations, when using your OEM Serial
Port Adapter, please visit www.bluetooth.org.
Note: Changes or modifications to the product not expressly approved by
connectBlue AB will void the user’s authority to operate the equipment.
8.2 Product Care
• Do not expose your product to liquid or moisture.
• Do not expose you product to extreme hot or cold temperature (see Section 2.3.3 for
further information)
• Do not expose your product to lit candles, cigarettes, cigars, open flames, etc.
• Do not drop, throw or try to bend your product since rough treatment could damage your
product.
• Do not attempt to disassemble your product. Doing so will void warranty. The product
does not contain consumer serviceable or replaceable components. Service should only be
performed by connectBlue AB.
• Do not paint your product as the paint could prevent normal use.
• If you will not be using your product for a while, store it in a place that is dry, free from
damp, dust and extreme heat and cold.
8.3 Radio Frequency Exposure
The OEM Serial Port Adapter contains a small radio transmitter and receiver. During
communication with other Bluetooth products the OEM Serial Port Adapter receives and
transmits radio frequency (RF) electromagnetic fields (microwaves) in the frequency range 2400
to 2500 MHz. The output power of the radio transmitter is very low.
When using the OEM Serial Port Adapter, you will be exposed to some of the transmitted RF
energy. This exposure is well below the prescribed limits in all national and international RF
safety standards and regulations.
Version 1.0 - 2006-08
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8.4 Electronic Equipment
Most modern electronic equipment, for example, in hospitals and cars, is shielded from RF
energy. However, certain electronic equipment is not. Therefore:
Note: This equipment emits RF energy in the ISM (Industrial, Scientific, Medical) band. Please
insure that all medical devices used in proximity to this device meet appropriate susceptibility
specifications for this type of RF energy.
8.5 Potentially Explosive Atmospheres
Turn off your electronic device before entering an area with potentially explosive atmosphere. It
is rare, but your electronic device could generate sparks. Sparks in such areas could cause an
explosion or fire resulting in bodily injury or even death.
Areas with a potentially explosive atmosphere are often, but not always, clearly marked. They
include fuelling areas, such as petrol station, below deck on boats, fuel or chemical transfer or
storage facilities, and areas where the air contains chemicals or particles, such as grain, dust, or
metal powders.
8.6 Power Supply
The OEM Serial Port Adapter must be supplied by a limited power source according to
EN 60950-1.
• Connect your power supply only to designated power-sources as marked on the product.
• Make sure all cords and cable are positioned so that they will not be stepped on, tripped
over or otherwise subject to damage or stress.
• To reduce risk of electric shock, unplug the unit from any power source before attempting
to clean it.
Version 1.0 - 2006-08
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Appendix A -
Application Notes
Usually only a subset of the available functionality is of interest to the designer. In addition,
depending on the host system, the electrical interface can be designed in many ways. The
designer can use the step-by-step guide in this chapter as an aid in the design process.
A.1 Step-by-Step Guide
Table 13: Step-by-step guide with Yes and No answers.
Question
Yes
No
Are you going to integrate the OEM
Serial Port Adapter in a metal enclosure?
The internal antenna models cannot be used. Use the OEMSPA333x.
You are free to choose
between the products. The
internal antenna models are
lower cost and are easier to
design-in. However, an
external antenna could give
better range.
Do you wish to use logic level when
communicating with the OEM Serial
Port Adapter?
See section A.2.2.1 for electrical
design.
Go on to next point.
Do you want to use RS232 as the
physical serial interface?
See section A.2.2.2 for electrical
design.
Go on to next point.
Do you want to use RS485 or RS422
as the physical serial interface?
See section A.2.2.3 - A.2.2.4 for
electrical design.
Go on to next point.
Are you using a 5V host system?
See section A.2.1, Figure 10 for
electrical design.
See section A.2.1, Figure 9
for electrical design.
Is low power consumption important?
The power consumption can be
Go on to next point.
reduced by enabling the stop
mode, see Table 5. The stop mode
is controlled with the DSR pin, see
section 2.5. The power consumption is optimized with 3.3 V supply
voltage.
Do you wish to connect LEDs to the
OEM Serial Port Adapter?
See section A.2.3 for design exam- Go on to next point.
ples for connecting the LEDs.
Do you want to detect the status of
the module with a controller?
See Chapter 3, Table 8 for status
detection and section A.2.3 for
electrical design.
Go on to next point.
Do you wish to utilize the restore
switch?
See section A.2.3.3 for electrical
design.
Go on to next point.
Do you wish to utilize the Function
See section A.2.3.4 for electrical
switch (“Connect on external signal”)? design.
Go on to next point.
Do you want to manually reset the
module?
See section A.2.4 for electrical
design. Use a double row connector. See section 5.2.1.2.
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A.2 Design Examples
This section contains design examples for all interfaces on J1, J2 and J3. The connector type that
suits a specific application depends on the needed signal and the preferred interface type.
A.2.1 Logic Levels
A 3.0/3.3V host system can be connected directly to the logic level pins (BLUE, UART-TxD /
UART-RxD etc). A serial 100Ω resistor shall be used (see Figure 9) for protection, see Table 6 for
logic levels characteristics.
A 5V host system can easily be adjusted to the logic levels. A host system output signal can use
a resistive divider (18k/22k) to adjust the levels. This is applicable for speeds up to 115.2kBits/s.
The divider can be adjusted to 1.8k/2.2k and a logic buffer (74HCT08) for higher speeds (see
Figure 10). The host system input pins could require a buffer (see Figure 10) depending on the
logic level requirements (see Table 6).
The 74HCT08 gate is also available in a single gate package (74AHCT1G08).
Figure 9: Logic levels interface to a 3/3.3V
system. A protective 100Ω
Ω resistor is used.
Figure 10: Interface example with logic levels to a 5V
system.
A 5V system with open collector outputs is designed in Figure 11.
Figure 11: Open collector outputs.
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A.2.2 Serial Interface
The serial interface can operate in RS232 or Logic level mode, see section A.2.3.2.
The Logic level mode could be used if the module is connected to an external CPU or if the
physical interface should be another then the internal RS232 likes RS422 (see section A.2.2.3).
The signal excluding the RxD and TxD signals available on the serial interface are:
CTS (Clear To Send) and RTS (Request To Send) are used for hardware flow control.
DSR (Data Set Ready) can be used to make a connect attempt. See the Serial Port Adapter AT
commands specification.
DTR (Data Terminal Ready) can be used to detect if the module is up and running and ready to
receive data.
Note! The module must be configured to flow control none if hardware flow control is
not used, see the Serial Port Adapter AT Commands document.
A.2.2.1Logic level Mode
The serial UART interface can be used in a host controller application with a UART interface. The
design of the interface depends on the power supply voltage of the host system; see Figure 12
for a 3.0/3.3V host system and Figure 13 for a 5V host system.
See section A.2.3.2 for information on how to select Logic level mode.
Note! It is very important to set the module in logic level mode properly when
interfacing with logic levels; collision with the internal RS232 transceiver could damage
the module.
Figure 12: A complete UART interface with a
3.0/3.3V host system.
Figure 13: A complete UART interface with a
5V host system.
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A.2.2.2External RS232 driver
The modules are fully compatible with the EIA-232 standard and can be connected to all RS232
transceivers. Speed and current consumption depends on the host system RS232 transceiver.
See Figure 14 for a complete example. Not used functionality can be left unconnected; see
Section A.2.2.
Figure 14: A complete RS232 interface.
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A.2.2.3External RS422 transceiver
An external RS422 driver could be used in a point-to-point (full duplex) application (see Figure
15).
The Logic level mode needs to be enabled when using an external transceiver. See section
A.2.3.2 for information on how to select Logic level mode.
Note! It is very important to set the module in logic level mode properly when
interfacing with logic levels; collision with the internal RS232 transceiver could damage
the module.
Figure 15: A complete RS422 interface.
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A.2.2.4External RS422/RS485 transceiver
A complete RS422/RS485 transceiver design connected to a bus system need to control the
enable signals of the transceiver. The SerialSelect signals are used for this purpose (see Table
14).
The Logic level mode needs to be enabled when using an external transceiver. See section
A.2.3.2 for information on how to select Logic level mode. The module need also to be
software configured to the corrected interface, see the Serial Port Adapter AT Commands
document how to configure the module to the correct serial interface.
Table 14: SerialSelect signals combinations
Serial
Select-0
Serial
Select-1
Internal RS232
Transceiver status
RS485/RS422 Transmitter
status (Active high)
RS485/RS422 Receiver
status (Active low)
Disabled
Disabled
Enabled
Disabled
Enabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Disabled
Note! It is very important to set the module in logic level mode properly when
interfacing with logic levels; collision with the internal RS232 transceiver could damage
the module.
Figure 16: A complete RS422/RS488 transceiver design.
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A.2.3 LED and Switch Design
A.2.3.1BLUE Signal
The BLUE logic LED signal is not multiplexed with any other functionality, which makes the
design more straightforward (for more information see Figure 17). There are two important
notes:
A blue LED requires about 3.5V forward voltage drop (cannot be used in a 3.3V system).
The BLUE signal can be used to detect if the module is connected or not. The BLUE signal
flashes when the module is sending and receiving data (see Chapter 3, Table 8). See Figure
18 for an example on how to suppress the flashes.
Figure 17: A blue LED can be connected directly to the module if the LED current is below 2mA. A high
state (active low) makes the voltage drop over the LED to 2.2V. This is not enough to light the LED.
Figure 18: A Low pass filter and a 74HC08 suppress the flashes when the module is sending and receiving
data. The Blue LED can be removed if not required. The values are not suited in all applications and need to
be verified in a specific application.
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44
A.2.3.2RED/Mode Signal
The RED/Mode signal is a multiplexed signal:
RED - Logic red LED signal (see Chapter 3, Table 8). Becomes valid 500ms after start up.
Mode - The module reads the status of the signal during startup to decide if the serial
interface shall be RS232 (HIGH) or logic UART (LOW) levels. The input signal must be stable
for the first 500ms after startup (after reset/power on reset).
The signal is internally pulled-up (120kΩ) for RS232 as default.
If a LED is used in UART mode a high impendence buffer is required to prevent the signal from
being pulled-up via the LED. A 74HC08 logic gate can be used in a 3/3.3V system (see Figure
19) and a 74HCT08 logic gate in a 5V system (see Figure 20). Both gates are available in a single
gate package (74AHC1G08/74AHCT1G08).
Figure 19: UART mode selected together with
a red LED in a 3.3V host system. The status of
the signal can also be used as input to a host
controller.
Figure 20: UART mode selected together with
a red LED in a 5V host system. The status of
the signal can also be used as input to a host
controller.
The buffer can be removed in a 3.3V system if RS232 mode is used (see Figure 21).
In a 5V system the high state output (2.8V) from the module is not enough to turn off the LED
so a 74HCT08 buffer can be used to raise the high level to 5V (see Figure 22).
The 74HCT08 gate is available in a single gate package (74AHCT1G08).
Figure 21: RS232 mode selected (default) together
with a red LED in a 3.3V host system. The status of
the signal can also be used as input to a host controller.
Figure 22: RS232 mode selected (default)
together with a red LED in a 5V host system.
The status of the signal can also be used as
input to a host controller.
Only a pull-down on the RED/Mode pin is needed if UART mode is used but no red LED is
required (see Figure 23). The RED/Mode pin can be left unconnected if RS232 (default) is used
and no red LED required.
Version 1.0 - 2006-08
45
Figure 23: The mode pin is pulled-down (1kΩ
Ω) in UART mode.
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46
A.2.3.3GREEN/Switch-1 signal
The GREEN/Switch-1 signal is a multiplexed signal:
GREEN - Logic green LED signal (see Chapter 3, Table 8). Becomes valid 500ms after start
up.
Switch-1 - The module reads the status of the signal at startup to decide if the serial
interface settings shall be restored (LOW) (see the Serial Port Adapter User Manual for
more details). The input signal must be stable for the first 500ms after startup (after
reset/power on reset).
The signal is internally pulled-up (120kΩ) to 3.0V for NOT restoring settings to default.
If a LED is used and a switch is required to be able to restore the settings, a high impendence
buffer need to prevent the signal from being pulled-up via the LED. A 74HC08 logic gate can be
used in a 3/3.3V system (see Figure 24) and a 74HCT08 logic gate in a 5V system (see Figure
25).
Both gates are available in a single gate package (74AHC1G08/74AHCT1G08).
Sometimes, over time, switch contacts can get an oxide layer. This may cause the closed switch
resistance to become too high to sink the signal to logic LOW (the signal is internally pulled-up
to 120kΩ). A design that prevents this can be found in Figure 29.
Figure 24: Switch-1 used together with a
green LED in a 3.3V host system. The status
of the signal can also be used as input to a
host controller.
Figure 25: Switch-1 used together with a green
LED in a 5V host system. The status of the
signal can also be used as input to a host
controller.
The buffer can be removed in a 3.3V system if no restore switch is required (see Figure 26).
In a 5V system the high state output (2.8V) from the module is not enough to turn off the LED,
so a 74HCT08 buffer can be used to raise the high level to 5V (see Figure 27).
The 74HCT08 gate is also available in a single gate package (74AHCT1G08).
Version 1.0 - 2006-08
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Figure 26: No restore switch used but a green
LED in a 3.3V host system. The status of the
signal can also be used as input to a host
controller.
Figure 27: No restore switch used but a green
LED in a 5V host system. The status of the
signal can also be used as input to a host
controller.
A serial resistor to the restore switch must be used to prevent a short circuit when the
GREEN/Switch-1 pin is in output HIGH state and the switch is pressed (see Figure 28).
Sometimes, over time, switch contacts can get an oxide layer. This may cause the closed switch
resistance to become too high to sink the signal to logic LOW (the signal is internally pulled-up
to 120kΩ). A design that prevents this can be found in Figure 29.
The GREEN/Switch-1 pin can be left unconnected if none of its functionality is required.
Figure 28: A low resistance restore
switch used.
Figure 29: If the resistance in the switch is not
guaranteed to be low enough, a safer design can
be used.
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A.2.3.4Switch-0 Signal
Switch-0 is not multiplexed with other functionality and a switch is easily implemented (see
Figure 30).
Sometimes, over time, switch contacts can get an oxide layer. This may cause the closed switch
resistance to become too high to sink the signal to logic LOW (the signal is internally pulled-up
to 120kΩ). A design that prevents this can be found in Figure 31.
The Switch-0 pin can be left unconnected if its functionality is not used.
Figure 30: A low resistance function switch
used.
Figure 31: If the resistance in the switch is not
guaranteed to be low enough, a safer design
can be used.
A.2.4 Reset
The RESET pin can be connected to an external reset source, see Figure 32 for a switch
example.
If the reset signal is connected to an output signal it must be an open drain collector, see Figure
33. Notice the capacitive load on the RESET pin in Table 6, section 2.3.
The RESET pin can be left unconnected if not used.
Figure 32: A reset switch.
Figure 33: Design of an open collector reset
from an active high output.
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A.2.5 A Complete 5V Host System Interface
This is a complete 5V host system interface example with an RGB LED and two switches (except
the serial interface, see section A.2.2 for information). The design is based on the LM339 Quad
OP-amp instead of logic gates.
Figure 34: A complete 5V host interface with operational amplifier
Version 1.0 - 2006-08
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