Doc No

Product Specification
Product Name:
M903L
Bluetooth SiP Module
-BT 4.0 LE
Version:
XE
Doc No:
Date:
Oct 23th, 2013
MtM Technology Corporation
12th floor, No. 186, Fuxing Road, Taoyuan City, Taoyuan
County, Taiwan (R.O.C.)
www.mtmtech.com.tw
MtM Technology Corporation
Document History
Date
Revise Contents
Revise by
Version
Jan 23th,2013
Initial Version
Brian Juang
XA
Apr 22th,2013
Update PIN DEFINIATION and REFERENCE
Brian Juang
XB
DESIGN CIRCUIT with wake up pin feature
Aug 21th,2013
Change mold design to metal lid
Brian Juang
XC
Oct 1st,2013
Add 10.SiP Module Preparation and 11. Package
Brian Juang
XD
Brian Juang
XE
Information
Oct 23th,2013
Update 8.Reference Design Circuit and 4.1
Operating ambient temperature range
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INDEX
1
2
3
4
Description ...............................................................................................................................................4
Feature .....................................................................................................................................................5
Block Diagram.........................................................................................................................................6
Technical Specification ...........................................................................................................................7
4.1 Absolute Maximum Rating .....................................................................................................................7
4.2Recommendable Operation Condition .....................................................................................................7
4.2.1Temperature, humidity ..........................................................................................................................7
4.2.2Voltage ...................................................................................................................................................7
4.3 Wireless Specifications............................................................................................................................8
4.4 Radio Specifications Bluetooth 4.0 Low Energy ....................................................................................8
4.5 Power Consumption ................................................................................................................................8
5
6
7
8
9
10
Dimensions ...............................................................................................................................................9
Pin Assignments .................................................................................................................................... 11
Recommend Footprint ..........................................................................................................................13
Reference Design Circuit ......................................................................................................................14
Recommended Reflow Profile ..............................................................................................................15
SiP Module Preparation .......................................................................................................................16
10.1 Handling ..............................................................................................................................................16
10.2 SMT Preparation .................................................................................................................................16
11
Package Information ............................................................................................................................17
11.1 Product Marking ..................................................................................................................................17
11.2 Tray Drawing .......................................................................................................................................17
11.3 Packing Information ............................................................................................................................18
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1 Description
The SiP module: M903L is a small size module that provides full function of Bluetooth 4.0 Low
Energy in a tiny module via 32 pins LGA Foot Print. The M903L module provides everything required
to create Bluetooth 4.0 Low Energy product with RF, baseband, MCU, qualified Bluetooth v4.0 stack
and customer application running on a single IC.
M903L enables ultra-low power connectivity and basic data transfer for applications previously
limited by the power consumption, size constraints and complexity of other wireless standards. The
low power consumption and excellent radio performance make it the best solution for OEM /ODM
customers who require embedded Bluetooth 4.0 Low Energy feature, such as, IP camera, car key, sport
and fitness watch, mouse, led light bulb etc.
The module is based on CSR Bluetooth Low Energy single mode chipset provides Bluetooth Low
Energy communication.
M903L provides command line interface (CLI) for being easily controlled by a host CPU through
UART communication. It also contains a 16 bit MCU to run a variety of applications and for
embedded application development.
For the software and driver development, we provide extensive technical document and reference
software code for the system integration.
Hardware evaluation kit and development utilities will be released base on listed OS and processors to
OEM customers.
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2 Feature









Bluetooth® v4.0 LE radio technology
Up to +6.0 dBm Tx power with transmit power control.
High sensitivity (-90.0 dBm.)
Dimension: 9 x 9 x 1.3mm
High performance low power 16-bits microcontroller core
Fast Connection Setup.
Internal crystal oscillator (16MHz). Internal 32kHz crystal oscillator for Sleep Timer
Serial interface for host: UART, SPI
Applications interface for sensor: ADC, SPI , I2C, GPIO, PWM

Command line Interface (CLI) for host: Node mode setting, Security manager, L2CAP command,
Connection Management, power manager command.
ORDRING INFORMATION
Part Number
Description
M903L
CLASS 2 Bluetooth single mode Module according BT-4.0. Bluetooth SMART
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3 Block Diagram
The M903L module is designed based on the CSR Bluetooth 4.0 LE single mode chipset solution. It
supports UART command line interface to connect to the host processor. The simplified block diagram
of the M903L module is depicted in the Fig. below.
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4 Technical Specification
4.1 Absolute Maximum Rating
No
Description
Value
Unit
–0.3 to 3.9
V
Ratings Over Operating Free-Air Temperature Range
1
Supply voltage
All supply pins
must have the
same voltage
2
Voltage on any digital pin
–0.3 to +3.6
V
3
Operating ambient temperature
–30 to 85
°C
range
4
Storage temperature range
–40 to 85
°C
5
Bluetooth RF inputs
10
dBm
6
ESD Protection:
2000
V
200
V
500
V
All pads, according to human-body
model, JEDEC STD 22, method A114
Machine Model Contact Discharge per
JEDEC EIA/JESD22-A115
According to charged-device model,
JEDEC STD 22, method C101
4.2Recommendable Operation Condition
4.2.1Temperature, humidity
The M903L module has to withstand the operational requirements as listed in the table below.
Operating Temperature
Humidity range
-30° to 85° Celsius
Max 95%
Non condensing, relative humidity
4.2.2Voltage
Power supply for the M903L module will be provided by the host via the power pins
Operating Condition
Min.
Typ.
Max.
DVDD_3V3
1.8
3.3
3.6
I/O supply voltage (VDD_PADS)
1.2
3.3
3.6
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4.3 Wireless Specifications
The M903L module compliance with the following features and standards
Features
Description
Bluetooth Standards
Bluetooth core v4.0 Low Energy
Antenna Port
Support Single Antenna for Bluetooth
Frequency Band
2.402 – 2.480 GHz
4.4 Radio Specifications Bluetooth 4.0 Low Energy
Features
Description
Frequency Band
2.402– 2.480 GHz (2.4 GHz ISM Band)
Number of selectable Sub channels
40 channels
Modulation
GFSK
Supported rates
<1Mbps
Maximum receive level
-10dBm (with PER < 8%)
4.5 Power Consumption
Item
Tx mode
Rx mode
Sleep Mode
Condition
3.3V
1.8V
I/O
3.3V
1.8V
I/O
Dormant
Hibernate
Deep Sleep
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Typ.
16 mA
TBD
TBD
16 mA
TBD
TBD
<0.0006 mA
<0.0015 mA
<0.005 mA
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5 Dimensions
The size and thickness of the M903L module 9mm (W) x 9mm (L) x 1.3mm (H):
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6 Pin Assignments
The foot print dimension and pin definition is defined as below
No
Pin Name
Pin Type
Description
1
DVDD_3V3
Power
Power input and regulator enable (active high)
2
NC
-
Reserved for internal use only
3
WAKE
Analogue
Pull up to wake up module from sleep mode
4
REG_IN
Input
Positive supply for Bluetooth radio and digital
linear regulator.
5
GND
Ground
Ground connections.
6
RF
RF
Bluetooth transmitter / receiver.
7
GND
Ground
Ground connections.
8
NC
-
Reserved for internal use only
9
NC
-
Reserved for internal use only
10
NC
-
Reserved for internal use only
11
NC
-
Reserved for internal use only
12
NC
-
Reserved for internal use only
13
CSR_AIO_2
Analogue
Analogue programmable I/O line.
14
CSR_AIO_1
Analogue
Analogue programmable I/O line.
15
CSR_AIO_0
Analogue
Analogue programmable I/O line.
16
UART1_TX
Output
UART TX
17
USART1_RX
Input
UART RX
18
PIO_3
Bidirectional
Do not connect., reserved for internal used only
19
PIO_4
Bidirectional
I²C2 clock or programmable I/O line.
20
CSR_SPI_CLK
Bidirectional
SPI debug CLK (slave mode) or programmable
I/O line.
21
CSR_SPI_CS
Bidirectional
SPI debug CS (slave mode) or programmable
I/O line.
22
CSR_SPI_MOSI
Bidirectional
SPI debug MOSI (slave mode) or
programmable I/O line.
23
CSR_SPI_MISO
Bidirectional
SPI debug MISO (slave mode) or
programmable I/O line.
24
PIO_9
Bidirectional
Programmable I/O line.
25
PIO_10
Bidirectional
I²C2 data input / output or programmable I/O
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line.
26
PIO_11
Bidirectional
Programmable I/O line.
27
SPI_PIO#_SEL
Input
Selects Pin 20-23 as SPI debug interface or
programmable I/O lines.
28
SMPS_LX
Output
High-voltage switch-mode regulator output.
29
CSR_I2C_PWR
Power
Do not connect., internal EEPROM I²C1 power
30
CSR_I2C_SCL
Output
Do not connect, internal EEPROM I²C1 clock
31
CSR_I2C_SDA
Bidirectional
Do not connect, internal EEPROM I²C1 data
input / output
32
GND
Ground
Ground connections.
33-41
GND
Ground
Ground connections.
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7 Recommend Footprint
SM
Pad
SM Design
Note:
SM = Solder mask defined
Pad = Copper defined
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8 Reference Design Circuit
Note: U2 is band pass filter which optional. Ensure the L1 trace width >= 220um
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9 Recommended Reflow Profile
Profile Condition
a. Suitable for Lead-Free solder
b. Between 155~160°C : 60~90 sec.
c. Above 220°C : 60~90 sec.
d. Peak Temperature : 240~245 ( <10 sec.)
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10 SiP Module Preparation
10.1 Handling
Handling the module must wear the anti-static wrist strap to avoid ESD damage. After each module is
aligned and tested, it should be transport and storage with anti-static tray and packing. This protective
package must be remained in suitable environment until the module is assembled and soldered onto
the main board.
10.2 SMT Preparation
1. Calculated shelf life in sealed bag: 6 months at <40℃ and <90% relative humidity (RH).
2. Peak package body temperature: 250℃.
3. After bag was opened, devices that will be subjected to reflow solder or other high temperature
process must.
A. Mounted within: 72 hours of factory conditions <30℃/60% RH.
B. Stored at ≦10% RH with N2 flow box.
4. Devices require baking, before mounting, if:
A. Package bag does not keep in vacuumed while first time open.
B. Humidity Indicator Card is >10% when read at 23±5℃.
C. Expose at 3A condition over 8 hours or Expose at 3B condition over 24 hours.
5. If baking is required, devices may be baked for 12 hours at 125±5℃.
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11 Package Information
11.1 Product Marking
11.2 Tray Drawing
Unit : mm
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11.3 Packing Information
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