Lierda Science and Technology Group LSD4WF2MD05106 Wi-Fi Module User Manual

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Date Submitted	2015-11-06 00:00:00
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Lierda Science & Technology Ltd
                                                     LSDSCIENCE&TECHNOLOGYCO.,LTD. 
LSD4WF-2MD05106(XXXY)
Low Power Wi-Fi Module User Manual
Model ：LSD4WF-2MD05106
Name ：Wi-Fi Module
Revision ：v1.0
Index
1.Productoverview ..............................................................................................................................................3
1.1GeneralDescription ................................................................................................................................3
1.2Features .....................................................................................................................................................3
2.Parameters ..........................................................................................................................................................4
3.Package ................................................................................................................................................................5
4.Pindefinition ......................................................................................................................................................6
5.Behaviorofelectricity.......................................................................................................................................8
6.Typicalapplication ............................................................................................................................................8
7.Referencedesign ...............................................................................................................................................9
8.Developingtool .................................................................................................................................................9
OEM Labeling Requirements:
NOTICE:The OEM or final integrator must ensure that FCC labeling requirements are
met.This includes an additional label on the outside of the final product housing
with the following contents:
Company Name：ＸＸＸＸ
MODEL: ＹＹＹＹ
Contains Model: LSD4WF-2MD05106(XXXXY)
FCC ID:N8NLSD4WF2MD05106
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.
To
satisfy
FCC
RF
Exposure
requirements
for
this
transmission
devices,
separation distance of 20 cm or more should be maintained between the antenna of this
device and persons during operation. To ensure compliance, operation at closer than
this distance is not recommended. The antenna(s) used for this transmitter must not
be co-located or operating in conjunction with any other antenna or transmitter.
1. Product overview
1.1 General Description
LSD4WF-2MD05106 is a Wi-Fi module for any electronic device to achieve networking
capabilities. The module is fully in line with the 802.11b/g/n international standard specification, the
internal integrated high performance Wi-Fi chip make it easy to access the serial port equipment or MCU
control equipment to network, so as to realize wireless networking.
Built-in TCP/IP protocol stack, supports STA/AP/STA+AP coexistence working modes, supports
802.11b/g/n protocol, supports wireless local upgrade and OTA remote firmware upgrade.
32.8mmx23.1mmx3.2mm, using the stamp hole package, built-in board PCB antenna.
1.2 Features

Confirm with 802.11b/g/n protocol.

Built-in high performance M3 core MCU, highest frequency 166MHz, high speed data
processing ability.

USART/GPIO/SPI/PWM multiple interface.

QJoine high speed link configuration.

Support STA/AP/STA+AP coexist work mode.

Support WPA/WPA2/WEP encryption.

Support wireless, Web page and OTA remote hardware upgrading.

Support multiple net protocol communication.

Provide abundant AT

Optional built-in on board PCB antenna and external antenna interface.

Dimension 32.8mmx23.1mmx3.2mm, Stamp hole paste.

3.3V single power supply.

CE/FCC.

RoHS.
instruction set configuration.
2. Parameters
Parameters
Standard
802.11 b/g/n
Frequency
2.412GHz-2.462GHz
802.11b:+17.0±0.5dBm(@11Mbps)
Emitting power
802.11g:+15.5±0.5dBm(@54Mbps)
802.11n:+15.5±0.5dBm(@HT20,MCS7)
Wireless
Parameters
Receiving
Sensitivity
Type of
Modulation
Antenna
Working Voltage
Hardware
Parameters
Software
parameters
802.11b: -83 dBm (@1Mbps ,CCK)
802.11g: -74dBm (@54Mbps, OFDM)
802.11n: -61dBm (@HT20, MCS7)
802.11g/n OFDM(BPSK,QPSK,16QAM,64QAM)
802.11bCCK11Mbps,5.5Mbps,QPSK2Mbps,BPS
K 1Mbps
Built-in On board PCB antenna 2dBi
3.3V
3.0V~3.6V
Working Current
Quiescent Current ~20mA
Emitting peak Current ~200mA
Working
Temperature
-20℃~ 85℃
Hardware
Interface
USART/GPIO/SPI/PWM
Dimension
32.8mmx23.1mmx3.2mm
Wireless network
type
STA/AP/STA+AP
Security
Mechanism
WEP/WPA-PSK/WPA2-PSK
Encryption
WEP/AES/TKIP
Hardware
upgrading
Local wireless upgrading/ Web page
upgrading/ Remote upgrading
Network Protocol
IPv4, TCP/UDP/FTP/HTTP
User
Configuration
QJoine Configuration AT+instruction Web
page
Pic1-1
LSD4WF-2MD05106 Basic Parameters
3. Package
Pic 1-2
LSD4WF-2MD05106 Front and back
Unit mm
Pic 1-3 LSD4WF-2MD05106 module package dimension
4. Pin definition
Pic 1-4 LSD4WF-2MD05106 Module pin layout
PIN
Pin Definition
Function
Ground pin
GND
JTAG_CLK/GPIOE_4
JTAG_TDO/PWM2/SPI0_MOSI/GPIOE_2
JTAG_TDI/PWM1/SPI0_CLK/GPIOE_1
JTAG_TMS/PWM3/SPI0_MISO/GPIOE_3
PWM0/SPI0_CS0/GPIOE_1
NC
NC
GPIOC_4
VDD
NC
NC
NC
NC
NC
NC
GPIO
10
11
12
13
14
15
Program download port
Program download port
Program download port
Program download port
Multiplex pin
VCC
DC_3.3V
NC
NC
NC
NC
NC
NC
16
GPIOF_5
17
GND
NC
NC
NC
NC
NC
NFC_IN
NFC_IP
NC
18
19
20
21
22
23
24
25
26
GPIOB_0
27
GPIOB_1
NC
NC
NC
VDD
GND
NC
VDD
GPIOC_5
NC
NC
28
29
30
31
32
33
34
35
36
37
38
GPIOB_2
39
UART2_TX/GPIOA_4
UART2_RTS/GPIOA_2
UART2_RX/GPIOA_0
UART2_CTS/GPIOA_1
40
41
42
43
GPIOA_5
nLink
44
GPIOA_3
nReady
45
GPIOB_3
nReload
EEPROM_SEL
0:Internal NV memory select
1:External EEPROM select
Define pull-down
Ground pin
NC
NC
NC
NC
NC
NFC+
NFC‐
NC
BOOT_SCENARIO
0:booting from internal
1:booting flash
Define: pull-down
memory
GPIO
NC
NC
NC
VCC
DC_3.3V
Ground pin
NC
VCC
DC_3.3V
GPIO
NC
NC
NORMAL_MODE_SEL
0:Normal operation mode
1:Enter into debug mode
Define pull-down
UART2/IO PIN
UART2/IO PIN
UART2/IO PIN
UART2/IO PIN
WIFI LED
“0” WIFI no Connection
“1”WIFI Connection
Module startup instructions
“0: start
“1”no start
Restore factory settings
NC
Reset
GND
46
47
48
NC
Reset pin
Ground pin
Table 1-1
LSD4WF-2MD05106 Module pin definition
5. Behavior of electricity
Parameters
Working voltage
Minimum
Typical value
Maximum
Unit
3.0
3.3
3.6
Standby current
15
mA
Static current
26
mA
TX current
160
mA
RX current
65
mA
Table1-2
LSD4WF-2MD05106 behavior of electricity
6. Typical application
Pic1-5 LSD4WF-2MD05106 Typical circuit connection
Pin
State
Remark
nlink
Output (connected to LED)
Check the network state of module or indication
for batch upgrade or configuration
nReload
Input, valid in low level
Connect button to chip pin for factory setting
restoring
nReset
Input, valid in low level
Reset pin
USART_TX/USAR
T_RX
Serial port transceiver port
Serial port transceiver port
Table 1-3 Connection introduction of cardinal pin
7. Reference design
PCB onboard antenna is built in LSD4WF-2MD05106 module, users should using onboard antenna
design need to be cautious that
1, No components or GND on antenna area of user board
2, Keep antenna away from metal, stay over 10mm away from surrounding higher components.
3, Antenna can’t be covered by metal case and it should be over 10mm away from plastic casing.
During specific design, users can consult the Lierda technical engineer to assist in the place of the
module and related Layout.
8. Developing tool
Lierda would provide a complete set of LSD4WF-2MD05106 development kit for customers to get
familiar with the application and development of the module. Users can configure and debug the
parameters of the LSD4WF-2MD05106 module through the USB interface and the function test. This
development board can directly get power from the USB interface, it also support lithium battery and DC
5~18V DC current supply, convenient for the user.
Pic 1-6 Developing board (front)
Pic 1-7 Developing board (back)
External interface introduction, table: 1-4
Function
External
interface
Item
Description
USB2TTL
UART to USB debugging port, can be used for
power supply
USB DEBUG
USB2.0 debugging interface(reserved)
DC5-18V
5~18V DC input
COM1
RS232 interface
RS485
RS485 interface
JMP1
Preserve
JMP2
Preserve
JMP3
4Pin USB and RS232 debugging choosing port, left
choose USB
JPM6
3Pin RS485 and RS232 debugging choosing port,
no wire jumper choose RS232
EXT_PORT
LSD4WF-2MD05106 GPIO interface expand
JTAG
JTAG data debugging interface
Battery
Lithium battery supply interface
Power
3.3V power indication
Sleep_ON
Module standby indication
On Module is in standby mode
Off Module is working
LED
indication
light
nReady
Module start or updating ready indication
On Module started up
Off Module not started
Blink Remote updating, blink frequency in
proportion to download speed
10
Button
nLink
Module connection indication
On Wi-Fi connected
Off Wi-Fi unconnected
WPS
Function reserve
nReset
Reset
Sleep_RQ
Function reserve
nReload
Press button for over 4 seconds to restore to factory
settings.
Table 1-4 External interface introduction of LSD4WF-2MD05106developing board
11

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