Lierda LSD1BT-STBLEPCB Manuale utente
1
利尔达科技集团股份有限公司
LIERDA SCIENCE & TECHNOLOGY GROP CO.,LTD
LSD1BT-STBLEPCB
Product manual
Product Name: BlueNRG-A Bluetooth module PCBA
P/N: LSD1BT-STBLEPCB
Document version: V4.0
2
Revision history
Product
Name
BlueNRG-A
Bluetooth module
PCBA
Product Type LSD1BT-STBLEPCB
Editor Qiumg Date 20170726
No. Revision record Modifier Auditor Versions Date
1 Initial release Liuzh V1.0 20161012
2 Liuzh V1.1 20161210
3 Add descriptions of
product information;
Modify partial data;
Add figure comments
Marco Qiu
V2.0 20170726
4 The module power is
divided into BAT1 and
BAT2 in pin definition
Marco Qiu
V3.0 20171225
5 Add FCC&CE
Information
Marco Qiu
V4.0 20180108
6 Marco Qiu
V5.0 20180118
3
Information
Part Number Description Package Size
LSD1BT-STBLEPCB
The PN is pure hardware without shield or any
firmware. Please contact us if there is other
requirements for second development of end users.
13mm*10mm*2.3mm
-- -- --
The Label
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.
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Contents
1 Features .......................................................................................................................................................... 5
2 Specifications ................................................................................................................................................. 6
3 Hardware ........................................................................................................................................................ 7
3.1 Dimensions Diagram ........................................................................................................................... 7
3.2 Pin Description .................................................................................................................................... 8
4 Applications .................................................................................................................................................... 9
4.1 Application circuit ............................................................................................................................... 9
4.2 Precautions ........................................................................................................................................ 10
4.3 Download and Debug ........................................................................................................................ 10
4.4 Development board ........................................................................................................................... 10
4.5 Reference manual .............................................................................................................................. 10
5 Federal Communications Commission (FCC) Interference Statement ......................................................... 11
Note ................................................................................................................................................................. 12
5
1 Features
The low-power Bluetooth module is a high-performance Bluetooth SOC solution based on
ST's BLUENRG-134 chip, which is a compact, practical and convenient, high integration
module with stamp-type interface. The module provides a complete wireless solution and
perfect support for customers application development, saving the trouble of complicated RF
hardware design, development and production. With modular ceramic antenna, the product has
the feature of low power consumption, small size, anti-interference ability and etc..
High performance 32M and 32.768K Crystal
160K Flash /24-KB RAM
32-bit, ARM® Cortex®-M0
Support for 14 GPIOs
BLE SOC
13mm*10mm
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2 Specifications
Table1: Module Parameters
Parameters performance Note
Working voltage 1.7V~3.6V
Working
temperature range
-40℃~85℃
Frequency range 2400MHz~2483.5MHz
Modulation scheme
GFSK
RF channel center
frequency
2402M--2480M(Ch0 -- Ch39) Channel spacing 2M
Tx Power 8--10dBm Typical value 9dBm
Tx current 8.6mA Typical value 8.6mA @3.3V
0 dBm
Rx current 8.1mA Typical value 8.1mA @3.3V
Sensitivity -84dBm
Power consumption
Sleep mode 0.9uA 32 kHz XO
Sleep mode 2.1uA 32 kHZ RO
Standby mode 500nA Standby
Transmission
distance(Open area
and 0dBm)
>15m See Notes
Dimensions 13mm*10mm*2.3mm Length * width * height
Antenna
Antenna Type Multilayer Chip Antenna
Average Gain (XZ-V) -0.5 dBi typ Peak Gain 0.5 dBi typ
Dimensions ( L × W ) 3.2× 1.6 mm
Notes: "Transmission distance" is subject to surrounding environment, air humidity and other factors,
for reference only.
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3 Hardware
3.1 Dimensions Diagram
Figure 1: Dimensions Diagram
Figure 2: Pin Diagram
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3.2 Pin Description
Pin Number Pin Name Type Description
1 GND Ground reference
2 ADC2 GPIO ADC2
3 DIO4 GPIO UART_RXD
4 DIO8 GPIO UART_TXD
5 DIO14 GPIO I2C1_CLK
6 ADC1 GPIO ADC1
7 RESETN Reset Pin
8 GND Ground reference
9 BAT1 Power 1.7~3.6V
10 DIO0 GPIO UART_CTS
11 DIO1 GPIO UART_RTS
12 DIO2 GPIO PWM0
13 DIO3 GPIO PWM1
14 DIO6 GPIO UART_RTS
15 DIO9 GPIO SWCLK
16 DIO10 GPIO SWDIO
17 DIO5 GPIO UART_TXD
18 SMPSFILT2 GPIO DC-DC
19 SMPSFILT1 GPIO DC-DC
20 DIO12 GPIO I2C1_CLK
21 DIO7 GPIO I2C2_DAT
22 DIO11 GPIO UART_RXD
23 BAT2 Power 1.7~3.6V
24 GND Ground reference
For more details, refer to BlueNRG-1DataSheet.
.http://www.st.com/content/ccc/resource/technical/document/datasheet/group3/ac/c1/ad/80/54/fa/49/9d/DM0
9
0262983/files/DM00262983.pdf/jcr:content/translations/en.DM00262983.pdf
4 Applications
4.1 Application circuit
Active DC-DC Converter：
Figure 3: Application circuit: active DC-DC converter
Non-active DC-DC Converter:
Figure 4: Application circuit: non active DC-DC converter
Active DC-DC Converter will greatly reduce system power consumption, but will affect
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sensitivity of the system. Using an internal LDO increases sensitivity, but system power
consumption will be slightly higher.
4.2 Precautions
To ensure the module's RF performance in the application of its maximum possible
effectiveness, the user should follow the following principles:
1. It is recommended to supply the module with DC power supply. The power supply ripple
coefficient should be as small as possible. The module should be reliably grounded. Please pay
attention to the correct connection of positive and negative poles of the power supply. If the
connection is reversed, the module may be damaged permanently.
2. Module recommendations placed on the edge of the floor open space, the antenna should be
outward;
3. The module under the antenna PCB (double-sided board and multi-layer board) need
clearance, can not be deposited copper, that is all the layout layer below the antenna can not
have grounding or signal trace;
4. It is better to keep metal parts away from the antenna, or module communication distance in
different environments will be shortened at different degrees. Please refer to recommended
locations in following figure:
Figure4: Module recommended placement
4.3 Download and Debug
The module supports the ARM serial wire debug (SWD) port, the SWD port pin is
DIO9(SWCLK),DIO10(SWDIO).Through J-link or ST-LINK, you can download and debug.
When the module is power up or hardware reset, if DIO7 is high, you can enter the boot mode,
the module is not available at this time, the module can be programmed through the serial port
code.
4.4 Development board
Refer to LSD1RF-EVBGP001 data.
4.5 Reference manual
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