LANKE XUNTONG TECHNOLOGY DTR6818 Bluetooth 4.0 module User Manual rev 2

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Document ID	2869371
Application ID	D/k8BhGJ6BclxE8pROfMAQ==
Document Description	User Manual-rev 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	21.98kB (274764 bits)
Date Submitted	2016-01-11 00:00:00
Date Available	2016-01-11 00:00:00
Creation Date	2016-01-11 08:57:05
Producing Software	Acrobat Distiller 9.0.0 (Windows)
Document Lastmod	2016-01-11 08:57:05
Document Title	User Manual-rev 2
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DTR6818
--Bluetooth 4.0 Module
Coin-size Ultra Low Power Bluetooth 4.0 Low Energy RF Module
Features
Complete Bluetooth low energy solution (Bluetooth 4.0)，single mode compliant，Integrated
Bluetooth low energy stack/profiles.

2.4 GHz transceiver
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
• -93 dBm sensitivity in Bluetooth® low energy mode, -96 dBm sensitivity@250kbps,
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• TX Power -20 to +4 dBm in 4 dB steps
• 13 mA peak RX, 10.5 mA peak TX (0 dBm)

ARM® Cortex™-M0 32 bit processor, 256 kB flash memory, 16 kB RAM.
• 150 μA/MHz running from RAM
• Serial Wire Debug (SWD)
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• 275 μA/MHz running from flash memory
Ultra low current consumption , Flexible Power Management
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
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• RSSI (1 dB resolution)
• Supply voltage range 1.8 V to 3.6 V
• 2.5 μs wake-up using 16 MHz RCOSC
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• 0.4 μA @ 3 V OFF mode
• 0.5 μA @ 3 V in OFF mode + 1 region RAM retention
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
• 2.3 μA @ 3 V ON mode, all blocks IDLE
Flexible real-time counter and Two 16 bit and one 24 bit timers with counter mode

AES Coprocessor, Random Number Generator ,Watchdog Timer ,Temperature sensor

Rich set of Peripheral: ADC, SPI, 2-wire , and UART. Programmable Peripheral Interconnect(PPI)

Internal RC Oscillator 32.768 kHz(± 250 ppm).

Configurable I/O mapping (I/O signals can use any pin, Simple layout of external application)

Ultra small size(smaller than CR2032 coin battery), about 15mmx15mmx2.5mm with Antenna.
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
Typical Applications:
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- 2.4 GHz Bluetooth low energy systems
- Proprietary 2.4 GHz systems
- Sports and leisure equipment
- Mobile phone accessories
- Health Care and Medical
- Consumer Electronics, Game pads
- Human Interface Devices, Remote control
- Building environment control / monitoring
- RFID, Security Applications
Name
P0.08
P0.09
P0.12
SWDIO
SWCLK
P0.17
P0.18
P0.19
GND
VDD
P0.25
P0.26
P0.27
P0.28
P0.29
Description
I/O
I/O
I/O
Debug and flash programming I/O
Debug and flash programming I/O
I/O
I/O
I/O
Power Ground
Power Suply（1.9～3.6V）
I/O
I/O
I/O
I/O
I/O
Note
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Pin No.
10
11
12
13
14
15
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Pin Description of Module（Top View）:
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








ADC IN 0
ADC IN 1
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
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Block diagram:
HW debug and flash programming of Module :
Pin
Flash Program interface
Debug and flash programming I/O
SWCLK
Debug and flash programming I/O
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SWDIO
This is the hardware debug and flash programming of module, J-Link Lite support, pleas refer
www.segger.com.
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
Performance Data:
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Transmitter specification:
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Receiver specification:
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Radio current consumption:
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
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CPU current consumption:
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Power management:
For more detail information, please refer nRF51822 datasheet.
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PCB Layout（TOP VIEW）:
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
unit: mil
PIN Description
NO
PIN
INPUT\
OUTPUT
Description
EN
TX
UART TX
RX
UART RX
—
—
Not used
—
—
Not used
Input signal to wake up MCU (Optional)
0：Means module’s sending data to MCU , Master’s ready to receive
data from Module
1：Means no data sending to MCU, or Module data sending Finished
RTS
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CTS
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Enabled Pins，External Pull up：
Falling Edge：Module starts Broadcasting, and connect with device
Raising Edge：No matter what status of the module, the module will
enter into deep sleep mode. （420 nA）
Data output request to wake up module
0：Means MCU will send data out, and Module is waiting for the data
from MCU
1：Means no data sending to module, or MCU data sending finished
FLOW_CTR
UART Flow Control：
0：UART can send data to module
1：Module is busy, UART can’t send data to Module
Note：TO Prevent UART data from losing, suggest to check the pin
status before MCU sending data, waiting for a falling edge , then send
data out ( wait for no longer than a broadcasting or an interval ) , see
the Chart 3-1 for reference.
GND
—
Power Ground
10
VCC
—
Power Supply’
Positive（3 ~ 3.6V）
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
12
BAUD_0
13
BAUD_1
CNITV_0
15
CNITV_1
Set Connection Interval（Under Simple Mode），Internal Pull down：
CNITV_0, CNITV_1：
00: 20ms
01: 100ms
10: 500ms
11: 1000ms
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Set Baud Rate（Under Simple Mode），Internal Pull down：
BAUD_0, BAUD_1：
00: 9600
01: 19200
10: 38400
11: 115200
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CFG_MODE
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Select Parameter configuration mode, interval pull up
0：Simple mode：
Input level to set Baud Rate through BAUD_0、BAUD_
Input level to set Connection Interval through CNITV_0、CNITV_1
1：AT command mode：
Sending AT command through UART to set Baud Rate and
Connection Interval 。
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Pls note that ;
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1. This User Manual is a guide for OEM /Integrators , is Limited for OEM/Integrator installations
Only.
2. The OEM integrator is responsible for ensuring that the end-user has no manual instruction
to remove or install module
3. Separate approval is required for all other operating configurations, including portable
configurations with respect to Part 2.1093 and different antenna configurations
4. The authorized antennas per Part 15.204 (including antenna specification).
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
Warning:
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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.
changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Please notice that if the FCC identification number 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 FCC ID: 2AA72-DTR6818” any similar wording that expresses the
same meaning may be used.
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between the radiator & your body. This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
The module is limited to OEM installation ONLY.
The OEM integrator is responsible for ensuring that the end-user has no manual instruction to
remove or install module.
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The antenna must employ a ‘‘unique’’ antenna coupler as mentioned below form the module manufacturer
(at all connections between the module and the antenna, including the cable).
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
Important Notice:



Reserves the right to make corrections, modifications, and/or improvements to the product and/or
its specifications at any time without notice.
Assumes no liability for the user’s product and/or applications.
Products are not authorized for use in safety-critical applications, including but not limited to
life-support applications.
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ATTENTION!
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Electrostatic Sensitive Device
Observe Precaution for handling.
COPYRIGHT ©2015 ALL RIGHTS RESERVED LANKE XUNTONG TECHNOLOGY CO.,LTD
TEL: +86 755 26674742 +86 755 26675941 E-mail: nrf@freqchina.com
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