Zhejiang Lierda Internet of Things technology NB05-01 NB-IoT Module(LTE) User Manual NB05 01 rev2x

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NB05-01Module Manual
Record of Revision
Product name
NB-IoT Module(LTE)
Product Model
NB05-01
Date of Compiling
20170405
Compiled
by
Revised
No.
Text Document
Revision
Version
by
Checked
Revision Log
Mark
第 2 页 共 17 页
by
Date
Shen
V1.0.1704
Weifeng
25
Contents
1. Overview.............................................................................................................................................4
2. The introduction of the Module.......................................................................................................4
3. The Main Features............................................................................................................................4
4. Functional Diagram...........................................................................................................................5
5. Functions.............................................................................................................................................5
5.1 Overview ............................................................................................................................ 5
6. Pin definition.......................................................................................................................................6
6.1
Description of pins ....................................................................................................... 6
6.2 Operating mode ................................................................................................................ 8
6.3 Power supply & power saving technology .................................................................... 9
6.4 UART Joggle ................................................................................................................... 11
6.5
USIM card interface .................................................................................................. 12
6.6
RI time series state (under development) .............................................................. 13
6.7
Network Status Indication(under development) .................................................... 13
6.8
RF Circuit Design ...................................................................................................... 14
6.9
RF Output Power ....................................................................................................... 14
6.10 Antenna Requirements ............................................................................................. 15
7. Electrical Characteristics, Reliability and Wireless Characteristics....................................15
8. Appearance and Structure...........................................................................................................16
9. Contact Us.......................................................................................................................................16
第 3 页 共 17 页
1. Overview
This article defines the Lierda NB-IoT module, and describes its hardware interface, application
methods, etc.
This article can help you quickly understand the standard of module interface, as well as the
electrical and mechanical characteristics. Combined with other relevant documents, you can
quickly learn how to use the NB-IoT module.
This document NBXX-01 on behalf of NB05-01, NB08-01 collectively referred to these two
models.
2. The introduction of the Module
The purpose of the NBXX-01 module is to use the NB-IoT broadcast protocol (3GPP NB-IoT
Rel-13) with mobile network operator communications infrastructure equipment. The band used
by the NB-IoT module below.
NBXX-01 series modules used in the band:
Mode
NB05-01
NB08-01
H-FDD
B5(850MHZ)
B8(900MHZ)
The NBXX-01 module dimensions of 20mm × 16mm × 2.2mm, the module can meet almost all
the requirements of the Internet of Things applications, including vehicles and personal tracking,
security systems, wireless POS, industrial PDA, smart metering, remote maintenance and
control, Smart city and more.
NBXX-01 module is LCC package, is a SMD type module, it can be easily embedded in the
application circuit.
NBXX-01 module is designed with energy-saving technology, ultra-low power consumption in
sleep mode.
This module is fully in line with the EU RoHS directive.
3. The Main Features
The following describes the detailed function and the key features of the Lierda NBXX-01
module：
Feature
Implementation
Power Supply
Supply voltage:3.1 V ~ 4.2 V
Power Saving
Sleep Current:＜5uA
Transmitting Power
23dBm±2dBm
Sensitivity
-128dBm±1dBm
Temperature Range
Operation temperature range：-30°C ~ + 85°C
USIM/ESIM Interfaces
USIM，3.0V
UART Interfaces
Main Port ： Used for command communication and data
transfer, currently supports a 9600 baud rate
Physical Characteristics
Size:20±0.15×16±0.15×2.2±0.3mm
Fimware
Fimware upgrade via UART Port
upgrade
Antenna Interface
50 Ohm Impedance Control
第 4 页 共 17 页
Typical Supply voltage :3.6 V
4. Functional Diagram
The block diagram below shows the main features of the NBXX-01: radio frequency, power
management, peripheral interface.
Figure 1 Module feature Illustration
5. Functions
5.1 Overview
The NB-IoT Module has 42 SMT pins in total, this chapter below will give more information:
Power Supply
Gate-Limit Interface
UART Interface
USIM Interface
ADC Interface
RFID Interface
NETLIGHT
第 5 页 共 17 页
6. Pin definition
Figure 2 NBXX-01 Module Pins Illustration
6.1 Description of pins
The definition and description of Module NBXX-01`s pins is below:
Pin description：
Power Supply pins：
Name
Number
Attribute
Description
DC characteristics
VBAT
39,40
PI
Main Power
Module
VBAT=3.1V~4
.2V
Vmax=4.2V
Vmin=3.1V
Vnorm=3.6V
VDD_EXT
PO
Provide 3
Voltage for
external
circuit
Vnorm=3.0V
IOmax=20mA
GND
1,2,13~19,
21,38,41~42
Ground
第 6 页 共 17 页
Remarks
If this will never be
needed, keep open. If
this will be used, we
recommend adding a
2.2 ~ 4.7 uF bypass
capacitor
SWD Interface
SWD_IO
36
IO
Serial line
data signal
VOLmax=0.4V
VOHmin=2.4V
VILmin=-0.3V
VILmax=0.6V
VIHmin=2.1V
VIHmax=3.3V
SWD_CLK
37
DI
Serial line
clock signal
VOLmax=0.4V
VOHmin=2.4V
22
DI
Reset the
module
RPU≈78kΩ
VIHmax=3.3V
VIHmin=2.1V
VILmax=0.6V
This interface is
designed to firmware
programming. Using
this interface to
program firmware will
reset the IEMI No. It
requires UART
Update Program to
protect IMEI No.
during program/
Update.
Reset Pin
RESET
Internal Up-adjust，low
voltage when active.
Simulate I/O Interface
RIO<1>
AIO
Simulation
Not Active yet. Keep
clear.
AIO<0>
32
AIO
Simulation
Not Active yet. Keep
clear.
27
DO
Network
status
indicator
33
AI
General
Simulation-Di
gital Signal
transform
Network status indicate port
NETLIGHT
VOLmax=0.4V
VOHmin=2.4V
Not Active yet. Keep
clear.
ADC Interface
ADC
Not Active yet. Keep
clear.
Main UART Communication Interface
RXD
23
DI
Receive data.
VILmax=0.6V
VIHmin=2.1V
VIHmax=3.3V
Keep Voltage under
3.0V, If not Active yet.
Keep clear.
TXD
24
DO
Send data.
VOLmax=0.4V
VOHmin=2.4V
Keep Voltage under
3.0V, If not Active yet.
Keep clear.
RI
34
DO
Signal
Indicate
VOLmax=0.4V
VOHmin=2.4V
Keep Voltage under
3.0V, If not Active yet.
Keep clear.
DI
Receive data.
VILmax=0.6V
VIHmin=2.1V
If not Active yet. Keep
clear.
Emulation Port
DBG_RXD
25
第 7 页 共 17 页
VIHmax=3.3V
DBG_TXD
26
DO
Send data.
VOLmax=0.4V
VOHmin=2.4V
If not Active yet. Keep
clear.
All signals go through
USIM Interface should
be ESD protected by
TSD diode.
USIM Interface
USIM_VDD
31
DO
Provide power
supply for
USIM Card
Vnorm=3.0V
USIM_RST
30
DO
USIM Reset
terminal
VOLmax=0.4V
VOHmin=2.4V
USIM_DAT
28
IO
USIM Data
terminal
VOLmax=0.4V
VOHmin=2.4V
VILmin=-0.3V
VILmax=0.6V
VIHmin=2.1V
VIHmax=3.3V
USIM_CLK
29
DO
USIM clock
terminal
VOLmax=0.4V
VOHmin=2.4V
USIM_GND
35
USIM ground
Share ground
RF antenna
interface
Impedance is 50Ω
RF Interface
RF_ANT
20
IO
Reserved pins
GPIO11
IO
If not Active yet. Keep
clear.
NC
3~5,8，
10~12
Reserved
Not connect to any
other pins (Temp)
6.2 Operating mode
The NBXX-01 module has three modes of operation to determine the different levels of low
power consumption based on usage scenarios. Under normal operating conditions are divided
into:
Active mode
The module is active; all functions are normally available for
data transmission and reception; the module can switch to Idle
mode or PSM mode in this mode.
Idle
The module is in a light sleep state, the module is in a network
connection state and can accept paging messages. In this
mode, the module can be switched to active mode or PSM
mode.
PSM
Module only RTC work, the module is in the network is not
connected, no longer accept paging messages. When DTE
(Data Terminal Equipment) actively send data or timer T3412
(periodic update) timeout, the module will be awakened.
第 8 页 共 17 页
6.3
3 Powerr supply & powe
er saving
g techno
ology
The
e NBXX-01 module's
pow
wer supply range
is 3.1 V to 4.2 V, making
sure
e that the inp
put voltage
does not drop below
3.1V. If the supplyy voltage is lo
ower than 3..1 V, the module will be abnormal.
The
e performancce of the module
depe
ends largely
y on the pow
wer supply, so the des
sign of the
pow
wer supply module
is verry importantt, in which th
he power supply currentt of at least 0.5A.
For better perfo
ormance, it is recommended to place a 100u
uF tantalum
m capacitor and three
cera
amic capacittors 100nf, 100pf
and 22
2pf near VB
BAT. The refe
erence circu
uit is shown below。
Figure 3 Refe
erence desig
gn for powerr supply
The
e maximum consumption
n of moduless under PSM
M is 5uA.PS
SM, the main
n purpose is to reduce
mod
dule power consumption
n and extend battery po
ower supply time. The ffollowing figu
ure shows
the power consumption dia
agram of modules in diffe
erent modess.
TX
电
流
RX
Idle
Idle
PSM
模块不
不活动定时器
TAU
T3412
T3324
The
e process of
o module in
nto the PSM
M as follow
ws: to make
e a connecttion or trac
cking area
update and nettwork (TAU)), module will
w apply to the requestt message, the networrk terminal
第 9 页 共 17 页
resp
ponse message back to
o the configu
uration of the
e T3324 num
merical timerr module, an
nd start up
time
er. When the
e T3324 time
er expires, module
will enter
the PSM. module ffor emergency service
for networking
o public datta network in
or
nitialization, cannot apply for entry iinto the PSM
M.
Whe
en the modu
ule is in the PSM
mode, the network
k activities will
w be closed
d, including the
t search
for the
t cell messsage, the cell reelection, etc. But the T3412 timer will (associated witth periodic
TAU
U updates) continue
to work.
The
ere are two ways
for mod
dules to quitt PSM mode
e: one way iss DTE sendss the data ac
ctively, the
othe
er is when th
he T3412 tim
mer goes out, the TAU starts,
the mo
odule exits P
PSM.
Pow
wer supply mode:
This module
can automatically start workking by powe
er supply to the VBAT
pin, and the seq
quence diag
gram is as fo
ollows:
Figure
e 4 power on sequence
Pow
wer off mod
de: This mo
odule can automatically
y stop workking by discconnecting the
power
supply of the VB
BAT pin. The
ese sequencce diagram is as followss:
Fig
gure 5 Turn off the pow
wer supply sequence
NBX
XX-01 modu
ule reset: the
e module ca
an reset to a low level of
o reset pin ffor a certain time. The
reco
ommended circuit
can output
a low level throug
gh registers or
o mechaniccal switches
s.
第 10 页 共 17
1 页
Figure 6 Reset circuit (left MCU IO driver, rig
ght button d
driver)
6.4
4 UART Joggle
The
e NBXX-01 module
has two UART ports:
main port
p and deb
bug port.
Main communiccation port:
TXD
D: send the data
and linkk to the botttom MCU
RXD
D: accept the
e the data, link with the bottom MCU
RI: indicate
the signal side, link to the bottom
MCU
The
e main comm
munication port
is transsmitted through the AT command, and the ba
aud rate is
9600bps.
Deb
bug port:
DBG
G_TXD: sen
nd data to the COM portt of the host computer
DBG
G_RXD: receive data fro
om the COM
M port of the upper comp
puter
The
e debug port can be ussed to view the system
m log through the PC so
oftware UE Log View
softw
ware, and th
he baud rate
e is 921600b
bps.
Mot herboard
(DTE)
Ser ial port
Mo
odule (DCE)
Main
port
TXD
TXD
RXD
RXD
RI
RI
GND
GND
Figure7 Se
erial circuit reference
de
esign
第 11 页 共 17
1 页
Mod
dule (DCE)
Main
port
PC
C (DTE)
Ser
rial port
DBG TXD
TXD
DBG RXD
RXD
GND
GND
Figure 8 Debugg
ging serial circuit
referen
nce design
Seriial port application desig
gn: the desig
gn of 3.3V system
is as follows:
Moth
herboard
(DTE)
Seri
ial port
Mo
odule (DCE)
Main port
TXD
RXD
RI
1K
RXD
1K
TXD
1K
RI
GND
1K
GND
Figure9
9 Reference
e design of serial
voltage
e matching circuit
6.5
5 USIM card intterface
NBX
XX-01's ESIM and USIM
M interface supports
3 GPP
specification, which
h is suitable for routine
application toolls. On the module, the
ere is a US
SIM interfacce monitorin
ng circuit, which
only
supports 3 V US
SIM card. 6 pin USIM ca
ard circuit is
s designed as
a follows,
Figure 10 USIM
card circuit design
n reference
(1) In
I order to im
mprove the reliability an
nd availabilitty of the USIM card in th
he applicatio
on. Please
follo
ow the stand
dard design in the USIM
M circuit design.
(2) The
T USIM slot
s is as clo
ose to the module
as po
ossible, and
d the length of the walk
k line is as
mucch less than 200mm as possible.
(3) The
T USIM signal is far away
from th
he RF and VBAT
circuitss.
第 12 页 共 17
1 页
(4) Ensure thatt the ground
d connection
n between the
module and USIM ccard slot is short and
wide
e. The width
h of the ground wire is no less than 0.5mm, so as
a to mainta
ain the same
e potential.
USIM_VDD is added
nearr the USIM slot to add a less than
n 1uF decou
upling capac
citor.Avoid
crossstalk betwe
een USIM_D
DATA and USIM_CLK. Keep
them away
from e
each other and
a shield
them
m from the encircling
gro
ound.
(5) In
I order to offer
good ESD
protectio
on, add a TV
VS diode arrray. The TV
VS pipe is close to the
USIM card slot, ensure the USIM interfa
ace module is not dama
aged by ESD
D. In the module
and
USIM card slott between 22
2 series ressistor to res
strain stray EMI transm
mission and enhanced
ESD
D protection. Attention, the
t USIM pe
eripheral circ
cuit should close
to the USIM card connector.
(6) The RF byypass capa
acitor (33pF
F) is placed
d near the USIM slot to improve
e the EMI
suppression.
6.6
6 RI tim
me series statte (under deve
elopme
ent)
status
RI response
Stan
ndby
HIGH
SMS
When a SMS signall is received
d, RI becomes LOW, an
nd the state of LOW
becomess HIGH state
e after about 120ms
URC
Some UR
RC signals can
c start RI to keep the 120ms low level
Figure 11 RI sta
atus when re
eceiving UR
RC or SMS
6.7
7 Netw
work Sttatus Indication(unde
er devellopmen
nt)
The
e network sttatus indicattion signal can
be indic
cated by the
e LED lamp, and the piin working
state
e is listed in the lower ta
able.
Stattus
Module
Function
LOW
T module does not work or synch
The
hronize with the networkk
HIG
GH
T module synchronize
The
e with the ne
etwork
ence circuit is designed
d as follows::
The refere
第 13 页 共 17
1 页
Figure 12 Referen
nce design of
o network indicator
lam
mp
6.8
8 RF Circuit
Design
RF circuit
desig
gn reference
e is as follow
ws:
Figure
e 13 RF Cirrcuit Design
The
e NBXX-01 module
provides an ante
enna connec
cted with the
e RF pads in
n the antenn
na pads on
both
h sides of so
ome ground,, and the purpose is to provide
a be
etter ground connection for the RF
ulate the performance
partt. In addition, there is a π capacitor that
matches the circuit used to regu
of th
he radio freq
quency, it is better to pu
ut the capac
citor close to
o RF_ANT p
pin of the mo
odule. Pay
attention to the module RF pin and cha
aracteristic im
mpedance of
o RF antenn
na pin should
d be set at
50 ohms
in the design of RF PCB.
6.9
9 RF Output Power
RT Output
Pow
wer
Freq
quency
Max
900MHz
23dBm
m±2dB
850MHz
23dBm
m±2dB
第 14 页 共 17
1 页
RF Sensitivity
Frequency
Sensitivity
900MHz
-128dBm
850MHz
-128dBm
Service Frequency
Frequency
Receiving Frequency
Transmitting Frequency
900MHz
925~960MHz
880~915MHz
850MHz
869~894MHz
824~849MHz
6.10 Antenna Requirements
NB-IoT antenna requirements shows in the following table:
Parameter Type
Requirement
Frequency Range
824-960MHz
VSWR
≤2
Gain（dBi）
≥1
Maximum Input Power（W）
Input matching impedance（Ω）
50
RHCP
linear
7. Electrical Characteristics, Reliability
and Wireless Characteristics
The NBXX-01 module simulates the rated voltage parameters of the voltage and the digital
voltage as shown in the following table:
Parameter
Min.
Max.
Unit
VBAT
3.1
+4.2
Maximum current of power supply
0.3
RMS Current
0.25
Digital pin voltage
-0.3
+3.0
Analog pin voltage
-0.3
+4.2
The voltage of analog / digital pins in the
state of power loss
-0.25
+0.25
Working Temperature:
Parameter
Min.
Typ.
Max.
Unit
Operating Temperature Range (OTR)
-30
+25
+85
℃
Storage Temperature Range
-40
+125
℃
第 15 页 共 17 页
8. Appearance and Structure
Figure 14 Appearance Size
Figure 15 Encapsulation Dimension Figure and Unit (mm)
9. Contact Us
Company Address:Lierda IOT Technology Park, Wenyi West Road No. 1326, Hangzhou
Contact Number:0571-88800000;
Contact Email:NBIoT_support@lierda.com
Official Website:Http://www.lierda.com
The NB05-01 module is designed to comply with FCC statement.FCC ID is 2AOFDNB05-01.
第 16 页 共 17 页
FCC RF Exposure Requirements
This device complies with FCC RF radiation exposure limits set forth for an uncontrolled environment.
The antenna(s) used for this transmitter must not be co‐located or operating in conjunction with any
other antenna or transmitter and must be installed to provide a separation distance of at least 20cm
from all persons.
FCC Regulations
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.
This device 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 protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications.
第 17 页 共 17 页

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