LM Technologies LM072 Users Manual

LM072 Class 1 Bluetooth Serial Data Module

1 General Description

LM072 is LM Technologies Ltd Class 1 Bluetooth Data module with
external antenna. This module is a CSR Bluecore 4 (BC04) chip based surface
mount module available with Bluetooth Serial Port Profile (SPP) firmware.
This module is ideal for adding long range wireless connecvity to embedded
products.
The module acts as a standalone unit (i.e. it does not need a host
to drive it) and can interface with embedded microcontrollers via UART.
It operates over a voltage range of 3.0 V to 3.6 V and gives excellent
performance over a distance of 70-100 m with external antenna.
This is a tried and tested module also used in other LM best selling products
like LM048 and LM058 serial adapter as well as LM400 and LM410 Data Modules.

This module is available with Bluetooth 2.0+EDR as well as Bluetooth

2.1+EDR compliant SPP firmware.

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

2 Features

• Bluetooth v2.0 + EDR and v2.1 + EDR compliant firmware available

• Class 1 radio - Output power +13 dBm

• 100 m range in open space

• Secure Simple Pairing supported (in Bluetooth 2.1 + EDR firmware)

• 3V - 3.6V operaon

• Full Bluetooth EDR data rate of upto 3 Mbps supported

• Interface : UART (upto 921600 bps), PIO

• Mulpoint firmware support

• SPP firmware supported by default. HID firmware available upon
request

• CSR Bluecore 04 (BC04) chipset

• AT Command set provided for module configuraon

• 802.11 Coexistence supported

• Lead free - RoHS compliant

• Small Size : 28.2 mm x 15.0 mm x 2.8 mm

3 Applications

• Serial Communicaons

• Medical Devices

• Domesc and Industrial Applicaons

• Embedded Devices

• Remote Monitoring and Control

• Payment Terminals

• GPS, POS, Barcode Readers

LM072

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4 Packaging Options

26MHz

8 MB

REGULATOR

USB

PCM

PVCC

VDD

VDD1.8V

Tape and Reel

Part No 072-0127

LM072 with BT2.0 + EDR firmware

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

Tray Packaging

Part No 072-0126

LM072 with BT2.0 + EDR firmware

Part No 072-0112

LM072 with BT2.1 + EDR firmware

5 Block Diagram

BPF

LNA

SWITCH

POWER

AMP

Part No 072-0111

LM072 with BT2.1 + EDR firmware

Rx_IN

BALUN

Tx_A

BLUECORE4-EXT

Tx_B

SPI

UART

PIO

I

N

T

E

R

F

A

C

E

XTAL

FLASH

Note: USB and PCM interface are not handled by LM firmware at present

LM072

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6 Electrical Characteristics

Absolute Maximum Rangs

Parameter

Min

Max

Unit

Supply Voltage (PVCC)

+3.0

+3.6

V

All other pins

VSS - 0.4

VDD+0.4

V

Recommended Operang Condions

Storage Temperature

-20

+75

°C

Supply Voltage (PVCC)

+3.0

+3.3

V

General Electrical Specificaon

Carrier Frequency

2.402

2.480

GHz

Rx Sensivity

-

-88

-86

dBm

Load Impedance

No abnormal oscillaon

5:1

Input Low Voltage

RESET, UART, GPIO, PCM

-0.3

-

0.8

DCV

Output High Voltage

UART, GPIO, PCM

VDD-0.4

-

-

DCV

Consumpon

Storage Temperature -40 +85 °C
Supply Voltage (VDD) +2.7 +3.6 V

Parameter Min Max Unit

Supply Voltage (VDD) +3.0 +3.3 V

Parameter Descripon Min Typical Max Unit

RF Output power Measured with 50Ω ant 10 11.5 13 dBm

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

Input High Voltage RESET, UART, GPIO, PCM 0.7VDD

Output Low Voltage UART, GPIO, PCM

Average Current

7 Factory Settings

The factory sengs of the COM Port are as follows:

Baud Rate: 19200 bps

Data Bits: 8

Parity: None

Stop Bits: 1

Flow Control: Hardware (BT2.0) or None (BT2.1)

-

- -

VDD+0.3 DCV

0.4 DCV

Receive DM1 114 mA

LM072

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8 Pin Assignments

Pin Number

Name

Type

Descripon

3

AIO 0

I/O

Programmable Input Output

4

AIO 1

I/O

Programmable Input Output

7

PIO 2

I/O

Programmable Input Output

9

PIO 4

I/O

Programmable Input Output

11

PIO 5

I/O

Programmable Input Output

13

PIO 7

I/O

Programmable Input Output

15

PIO 9

I/O

Programmable Input Output

19

GND

Ground

Common Ground

23

PCM_IN

CMOS Input

Synchronous Data Input

26

UART_RX

CMOS Input

UART Data Input

30

UART_CTS

CMOS Input

UART Clear to Send (Acve Low)

34

SPI_MISO

CMOS Output

Serial Peripheral Interface Data Output

36

PIO 10

I/O

Programmable Input Output

37

RF_IO

Analogue

Antenna Interface

1 GND Ground Common Ground
2 PVCC Power Power Amp. Power supply (3.3V)

5 PIO 0 I/O Programmable Input Output
6 PIO 1 I/O Programmable Input Output

8 PIO 3 I/O Programmable Input Output

10 GND Ground Common Ground

12 PIO 6 I/O Programmable Input Output

14 PIO 8 I/O Programmable Input Output

16 RESET CMOS Input Reset Input of Module, Acve Low
17 VCC Power Module input Supply, 3.3V DC
18 GND Ground Common Ground

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

20 USB_DP I/O USB Data Plus
21 USB_DN I/O USB Data Minus
22 PCM_SYNC I/O Synchronous Data Sync

24 PCM_OUT CMOS Output Synchronous Data Output
25 PCM_CLK I/O Synchronous Data Clock

27 UART_TX CMOS Output UART Data Output
28 UART_RTS CMOS Output UART Request to Send (Acve Low)
29 GND Ground Common Ground

31 SPI_MOSI CMOS Input Serial Peripheral Interface Data Input
32 SPI_CSB CMOS Input Chip Select for Serial Peripheral Interface (Acve Low)
33 SPI_CLK CMOS Input Serial Peripheral Interface Clock

35 PIO 11 I/O Programmable Input Output

38 GND Ground Common Ground

LM072

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9 Dimensions

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

LM072

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10 FCC Warning

This device complies with Part 15 of the FCC Rules. Operaon is subject to the following two condions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operaon.

NOTE 1: 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 protecon against harmful interference in a residenal
installaon. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instrucons, may cause harmful interference to radio communicaons. However, there is no guarantee that interference
will not occur in a parcular installaon. If this equipment does cause harmful interference to radio or television recepon,
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 separaon 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.

NOTE 2: Any changes or modificaons to this unit not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.

Product: LM072
Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

11 FCC Radiation Exposure Statement

This equipment complies with FCC radiaon exposure limits set forth for an uncontrolled environment. End users must follow
the specific operang instrucons for sasfying RF exposure compliance.

Note 1: This module cerfied that complies with RF exposure requirment under portable or mobile or fixed condion,
this module is to be installed only in portable or mobile or fixed applicaons.

A portable device is defined as a transming device designed to be used so that the radiang structure(s) of the device
is/are within 20 cenmeters of the body of the user

A mobile device is defined as a transming device designed to be used in other than fixed locaons and to generally
be used in such a way that a separaon distance of at least 20 cenmeters is normally maintained between the transmier's
radiang structure(s) and the body of the user or nearby persons. Transming devices designed to be used by consumers or
workers that can be easily re-located, such as wireless devices associated with a personal computer, are considered to be mobile
devices if they meet the 20 cenmeter separaon requirement.

A fixed device is defined as a device is physically secured at one locaon and is not able to be easily moved to another locaon.

Note 2: Any modificaons made to the module will void the Grant of Cerficaon, this module is limited to OEM installaon
only and must not be sold to end-users, end-user has no manual instrucons to remove or install the device, only soware or
operang procedure shall be placed in the end-user operang manual of final products.

Note 3: The device must not transmit simultaneously with any other antenna or transmier.

LM072

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Product: LM072

Rev1.0

17/12/2010

First Version

Part No: 072-0125 for BT2.0 F/W
Part No: 072-0110 for BT2.1 F/W
Datasheet Rev1.2/11-07-12

Note 4: To ensure compliance with all non-transmier funcons the host manufacturer is responsible for ensuring compliance
with the module(s) installed and fully operaonal. For example, if a host was previously authorized as an unintenonal
radiator under the Declaraon of Conformity procedure without a transmier cerfied module and a module is added, the
host manufacturer is responsible for ensuring that the aer the module is installed and operaonal the host connues to be
compliant with the Part 15B unintenonal radiator requirements. Since this may depend on the details of how the module
is integrated with the host, LM Technologies Ltd shall provide guidance to the host manufacturer for compliance with the
Part 15B requirements.

Note 5: FCC ID label on the final system must be labeled with “Contains FCC ID: VVXLM072” or “Contains transmier module
FCC ID: VVXLM072”.

The transmier module must be installed and used in strict accordance with the manufacturer's instrucons as described in
the user documentaon that comes with the host product. LM Technologies Ltd is responsible for the compliance of the module
in all final hosts.

12 Revision History

Revision Date Comments

Rev1.1

0

3/07/2012

Rev1.2 11/07/2012

1. Reformaed the datasheet

2. Added packaging opons

3. Added part number informaon

4. Added FCC Regulaon Statement

5. Added Revision History

1. Change to FCC Warning Statement

2. Added FCC Radiaon Exposure Statement

LM072

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