Fibocom NL668-EAU-MiniPCIe-10 User manual

FIBOCOM
NL668-EAU&EU-MiniPCIe-10 Hardware
User Manual
Version: V1.0.6
Date: 2019-05-06

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Applicability type
No. Product Model Description
1 NL668-EAU-00-MiniPCIe-10 MCP is 4+2, support MAIN_ANT, DIV_ANT, GNSS_ANT,
no CODEC
2 NL668-EU-01-MiniPCIe-10 Based on NL668-EAU-00-MiniPCIe-10,delete B28
3 NL668-EU-00-MiniPCIe-10 Based on NL668-EU-01-MiniPCIe-10, don’t support TDD
4 NL668-EU-03-MiniPCIe-10 Based on NL668-EU-01-MiniPCIe-10, change MCP to
2+1

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Copyright
Copyright ©2019 Fibocom Wireless Inc.All rights reserved.
Without the prior written permission of the copyright holder, any company or individual is prohibited to
excerpt, copy any part of or the entire document, or transmit the document in any form.
Attention
The document is subject to update from time to time owing to the product version upgrade or other
reasons. Unless otherwise specified, the document only serves as the user guide.All the statements,
information and suggestions contained in the document do not constitute any explicit or implicit
guarantee.
Trademark
The trademark is registered and owned by Fibocom Wireless Inc.

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Versions
Version Author Assessor Approver Update Date Description
V1.0.0 2018-04-24 Initial version
V1.0.1 2018-05-28
Add test data, add
description of sleep mode,
etc.
V1.0.2 2018-06-07
Replace physical and
structural images and
modify GNSS data
V1.0.3 Gu Zhaoqiang Tu Min Tu Min 2018-08-16
Update LPG description
and reference design；
Update maximum working
current is 3A;
Update ESR< 100 m Ω
V1.0.4 Gaoying Tumin Tumin 2019-03-30
Add Figure and Table title
change common style,
Update RF parameters,
add
NL668-EU-MiniPCIe-10
part, update NET_MODE
description
V1.0.5 Gaoying Tumin Tumin 2019-04-29
Update pin distribution
diagram, Correct some
description
V1.0.6 Gaotianhuan
Heruzhi
Tumin
Lixiyi
Tumin
Lixiyi 2019-05-06
Add
NL668-EU-03-MiniPCIe-10
product description

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Contents
Contents.............................................................................................................................. 5
Figure Index........................................................................................................................ 7
Table Index.......................................................................................................................... 8
1Foreword..................................................................................................................... 10
1.1 Introduction.................................................................................................................10
1.2 Safety Instruction........................................................................................................10
1.3 Reference Standards..................................................................................................11
1.4 Related Document......................................................................................................11
2Product Overview....................................................................................................... 12
2.1 Product Introduction ...................................................................................................12
2.2 Product Specifications................................................................................................12
2.3 Hardware Diagram .....................................................................................................13
3Application Interface.................................................................................................. 15
3.1 PCI express Mini Card Interface.................................................................................15
3.1.1 Pin Distribution..............................................................................................................15
3.1.2 Pin Definition.................................................................................................................15
3.2 Power.........................................................................................................................18
3.2.1 Power supply.................................................................................................................19
3.2.2 1.8V Output...................................................................................................................20
3.2.3 Power Consumption......................................................................................................20
3.3 Control Signal.............................................................................................................22
3.3.1 Module Reset................................................................................................................22
3.4 USB Interface.............................................................................................................23
3.4.1 USB Interface Definition................................................................................................24
3.5 (U)SIM Interface.........................................................................................................24
3.5.1 (U)SIM Pin.....................................................................................................................24
3.5.2 (U)SIM Interface Circuit ................................................................................................24
3.5.3 (U)SIM Hot Plug............................................................................................................26
3.5.4 (U)SIM Design Requirements.......................................................................................27
3.6 UART Interface...........................................................................................................27
3.6.1 UART Interface Definition .............................................................................................27
3.6.2 UART Interface Application...........................................................................................28
3.7 Status Indicator ..........................................................................................................29

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3.7.1 NET_MODE Signal.......................................................................................................29
3.8 Low Power Consumption Mode..................................................................................30
3.8.1 Flight Mode....................................................................................................................30
3.8.2 Sleep Mode...................................................................................................................30
3.9 Digital Audio Interface PCM........................................................................................33
3.9.1 Support Models ..........................................................................................................33
3.9.2 PCM Interface Definition...............................................................................................33
3.9.3 PCM interface description.............................................................................................33
3.9.4 PCM Signal Description................................................................................................34
4Antenna Interface....................................................................................................... 36
4.1 Operating band...........................................................................................................36
4.2 Transmission Power...................................................................................................36
4.3 Receiving Sensitivity...................................................................................................37
4.4 GNSS Receiver..........................................................................................................38
4.5 Antenna Installation....................................................................................................38
4.5.1 Antenna RF Connector.................................................................................................38
4.6 Antenna Design..........................................................................................................40
4.6.1 Antenna Design Requirement.......................................................................................40
4.6.2 Antenna reference design.............................................................................................42
5Electrical Characteristics .......................................................................................... 44
5.1 Limiting Voltage Range...............................................................................................44
5.2 Environment Temperature Range...............................................................................44
5.3 Electrical Characteristics of the Interface in Operating Status.....................................44
5.4 Environmental Reliability Requirements .....................................................................45
5.4.1 ESD Characteristics......................................................................................................45
6Structure Specification.............................................................................................. 47
6.1 Product Appearance...................................................................................................47
6.2 Structure Dimension...................................................................................................48
6.3 Packaging...................................................................................................................49
6.3.1 Tray Packaging Process...............................................................................................49
6.3.2 Tray Dimension.............................................................................................................50
Appendix A GPRS and EGPRS Encoding Scheme........................................................ 52
Appendix B Terms and Acronyms .................................................................................. 54

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Figure Index
Figure 2-1 Hardware Diagram............................................................................................................14
Figure 3-1 Pin Distribution Diagram ...................................................................................................15
Figure 3-2 Power Design....................................................................................................................19
Figure 3-3 Power Limit........................................................................................................................20
Figure 3-4 OC/OD Reset Reference Circuit.......................................................................................22
Figure 3-5 Button Reset Reference Circuit.........................................................................................23
Figure 3-6 RESET_N Control Timing .................................................................................................23
Figure 3-7 (U)SIM Card Slot Diagram SIM016-8P-220P ...................................................................25
Figure 3-8 (U)SIM Interface with Card Detection Reference Design.................................................25
Figure 3-9 (U)SIM Interface without Card Detection Reference Design............................................26
Figure 3-10 UART Signal Connection 1.............................................................................................28
Figure 3-11 UART Signal Connection 2..............................................................................................29
Figure 3-12 NET_MODE Reference Design ......................................................................................30
Figure 3-13 PCM_SYNC Timing.........................................................................................................34
Figure 3-14 PCM_CODEC to MiniPCIe Timing..................................................................................34
Figure 3-15 MiniPCIe to PCM_CODEC Timing..................................................................................34
Figure 4-1 RF Connector Dimension..................................................................................................39
Figure 4-2 Coaxial Cable RF connector Plugs into RF Receptacle...................................................40
Figure 4-3 Main Antenna Requirements.............................................................................................42
Figure 6-1 NL668-EAU-MiniPCIe-10 Module ProductAppearance (Top)..........................................47
Figure 6-2 NL668-EU-MiniPCIe-10 Module ProductAppearance (Top)............................................47
Figure 6-3 Structure Dimension (Unit: mm)........................................................................................48
Figure 6-4 67910-0002 Connector .....................................................................................................49
Figure 6-5 Tray Packaging Process ...................................................................................................50
Figure 6-6 Tray Dimension (Unit: mm) ...............................................................................................51

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Table Index
Table 2-1 Product Specifications.........................................................................................................13
Table 3-1 Pin Definition.......................................................................................................................18
Table 3-2 Power Interfaces.................................................................................................................19
Table 3-3 Power Filter Capacitor Design............................................................................................19
Table 3-4 VDD_EXT Logic Level Definition........................................................................................20
Table 3-5 Power Consumption............................................................................................................21
Table 3-6 Reset Control Signal...........................................................................................................22
Table 3-7 Module Reset......................................................................................................................22
Table 3-8 USB Interface......................................................................................................................24
Table 3-9 (U)SIM Pin...........................................................................................................................24
Table 3-10 (U)SIM Card Hot Plug Function........................................................................................26
Table 3-11 USIM_PRESENCE Effective Level SwitchAT Command................................................27
Table 3-12 Main Serial Port ................................................................................................................28
Table 3-13 Debug Serial Port..............................................................................................................28
Table 3-14 Status Indication................................................................................................................29
Table 3-15 Status Indicator Description..............................................................................................30
Table 3-16 Flight Mode .......................................................................................................................30
Table 3-17 Ways to Enter the Flight Mode .........................................................................................30
Table 3-18 Support Models.................................................................................................................33
Table 3-19 PCM Interface Definition...................................................................................................33
Table 3-20 PCM Interface Description................................................................................................33
Table 3-21 CODEC Timing Parameters
..............................................................................................35
Table 4-1 Antenna Operating Band ....................................................................................................36
Table 4-2 Transmission Power............................................................................................................37
Table 4-3 Receiving Sensitivity...........................................................................................................37
Table 4-4 GNSS Receiver...................................................................................................................38
Table 5-1 Limiting Voltage Range.......................................................................................................44
Table 5-2 Environment Temperature Range.......................................................................................44
Table 5-3 Electrical Characteristics of the Interface in Operating Status...........................................45
Table 5-4 Environmental Reliability Requirements.............................................................................45
Table 5-5 ESDAllowable Discharge Range.......................................................................................46
Table A- 0-1 GPRS encoding scheme................................................................................................52
Table A-0-2 Multilevel Multislot Allocation...........................................................................................53

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Table B-0-1 Terms and Acronyms.......................................................................................................56

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1 Foreword
1.1 Introduction
This document describes the electrical characteristics, RF performance, structure size, application
environment, etc. of NL668-EAU/EU-MiniPCIe-10 module. With the assistance of the document and other
instructions, the developers can quickly understand the hardware functions of the
NL668-EAU/EU-MiniPCIe-10 module and develop products.
1.2 Safety Instruction
By following the safety guidelines below, you can ensure your personal safety and help protect the
product and work environment from potential damage. Product manufacturers need to communicate the
following safety instructions to end users. In case of failure to comply with these safety rules, Fibocom will
not be responsible for the consequences caused by the user’s misuse.
Road safety first! When you drive, do not use the hand held devices even if it has a
hand-free feature. Please stop and call!
Please turn off the mobile device before boarding. The wireless feature of the
mobile device is not allowed on the aircraft to prevent interference with the aircraft
communication system. Ignoring this note may result in flight safety issue or even
breaking the law.
When in a hospital or health care facility, please be aware of restrictions on the use
of mobile devices. Radio frequency interference may cause medical equipment to
malfunction, so it may be necessary to turn off the mobile device.
The mobile device does not guarantee that an effective connection can be made
under any circumstances, for example, when there is no prepayment for the
mobile device or the SIM is invalid. When you encounter the above situation in an
emergency, remember to use an emergency call, while keeping your device turned
on and in areas where signal is strong.

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Your mobile device receives and transmits RF signals when it is powered on.
Radio interference occurs when it is near televisions, radios, computers, or other
electronic devices.
Keep the mobile device away from flammable gases. Turn off the mobile device
when near gas stations, oil depots, chemical plants or explosive workplaces.
There is a safety hazard in operating electronic equipment in any potentially
explosive environment.
1.3 Reference Standards
This design of the product complies with the following standards:
3GPP TS 51.010-1 V10.5.0: Mobile Station (MS) conformance specification; Part 1: Conformance
specification
3GPP TS 34.121-1 V10.8.0: User Equipment (UE) conformance specification; Radio transmission
and reception (FDD); Part 1: Conformance specification
3GPP TS 34.122 V10.1.0: Technical Specification Group RadioAccess Network; Radio transmission
and reception (TDD)
3GPP TS 36.521-1 V10.6.0: User Equipment (UE) conformance specification; Radio transmission
and reception; Part 1: Conformance testing
3GPP TS 21.111 V10.0.0: USIM and IC card requirements
3GPP TS 51.011 V4.15.0: Specification of the Subscriber Identity Module -Mobile Equipment
(SIM-ME) interface
3GPP TS 31.102 V10.11.0: Characteristics of the Universal Subscriber Identity Module (USIM)
application
3GPP TS 31.11 V10.16.0: Universal Subscriber Identity Module (USIM)Application Toolkit (USAT)
3GPP TS 36.124 V10.3.0: Electro Magnetic Compatibility (EMC) requirements for mobile terminals
and ancillary equipment
3GPP TS 27.007 V10.0.8:AT command set for User Equipment (UE)
3GPP TS 27.005 V10.0.1: Use of Data Terminal Equipment - Data Circuit terminating Equipment
(DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)
1.4 Related Document
FIBOCOM_EVK-GT8230-NL User Manual
FIBOCOM_RF Antenna Application Design Instruction
FIBOCOM_NL668AT Command Manual

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2 Product Overview
2.1 Product Introduction
NL668-EAU/EU-MiniPCIe-10 series wireless module is a broadband wireless terminal product suitable for
TDD-LTE/FDD-LTE/WCDMA/GSM.
2.2 Product Specifications
Specification
Operating frequency
NL668-EAU
LTE FDD: Band 1,3,5,7,8,20,28
LTE TDD: Band 38,40,41
WCDMA/HSPA+: Band 1,5,8
GSM/GPRS/EDGE: 850/900/1800MHz
NL668-EU-01/03
LTE FDD: Band 1,3,5,7,8,20
LTE TDD: Band 38,40,41
WCDMA: Band 1,5,8
GSM/GPRS/EDGE: 850/900/1800MHz
NL668-EU-00
LTE FDD: Band 1,3,5,7,8,20
WCDMA: Band 1,5,8
GSM/GPRS/EDGE: 850/900/1800MHz
Data transmission
LTE FDD Rel.9 150Mbps DL/50Mbps UL (Cat 4); LTE Downlink MIMO 2x2,
4x2（support part of R10）
LTE TDD Rel.9 130Mbps DL/30.5Mbps UL (Cat 4); LTE Downlink MIMO
2x2, 4x2（support part of R10）
WCDMA Rel.8 WCDMA:384 kbps DL/384 kbps UL
DC-HSDPA+:42Mbps (Cat 24)/HSUPA:5.76Mbps (Cat 6)
GPRS/EDGE
Rel.5
GPRS: 107kbps/85.6kbps UL (multi-slot class 33)
EDGE(E-GPRS):296kbps DL/236.8kbps UL
(multi-slot class 33)
Power 3.3V～4.3V (3.8V recommended)
Temperature Normal: -30°C～+75°C
Extended: -40°C～+85°C

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Storage: -40°C～+85°C
Power consumption
Bottom current: <2mA
Sleep mode: ≤3mA (USB sleep)
Idle mode: <20mA (USB sleep); <29mA (USB wake up)
Physical
characteristics
Package: PCI express Mini Card interface 52Pin
Size: (50.8±0.15) mm×(29.85±0.15)mm×(3.4±0.2)mm
Weight: <9.5g
Interface
Antenna Antenna: Main x 1, GNSS x 1, DIV x 1
Functional Interface
(U)SIM 3V/1.8V
USB 2.0 x 1
UART x 2, PCM, WAKEUP_IN/OUT, W_DISABLE#
System Indicator
Software
Protocol Stack Embedded TCP/IP and UDP/IP protocol stack
AT Command 3GPP TS 27.007 and 27.005, and proprietary FIBOCOM AT
Firmware update USB (UART does not support DOWNLOAD)
Voice service SRLTE, VoLTE, HR, FR, EFR, AMR, DTMF, Caller ID, Call Transfer, Call Hold,
Call Waiting and Multi-Talk, etc.
SMS point-to-point MO, MT; cell broadcast; support Text and PDU modes
MMS service Need AP to realize MMS protocol
Table 2-1 Product Specifications
Note:
When the temperature is beyond the normal operating temperature range (-30 °C to + 75 °C),
the RF performance of the module may slightly exceed the 3GPP specifications.
2.3 Hardware Diagram
Figure 2-1 hardware diagram shows the main functions of the MiniPCIe module.
1-way (U)SIM card interface
1-way USB2.0 interface
Sleep&wake up control
Flight mode

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LED status indication function
External reset function
3 RF antenna interfaces(optional)
PCM digital audio interface
Figure 2-1 Hardware Diagram

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3 Application Interface
3.1 PCI express Mini Card Interface
NL668-EAU&EU-MiniPCIe-10 module adopts PCI express Mini Card interface, with a total of 52 pins.
3.1.1Pin Distribution
Figure 3-1 Pin Distribution Diagram
3.1.2Pin Definition
The pin definitions are shown in the following table.
Pin
Pin Name
I/O
Level
Description
1 MIC_P I Bias voltage 2.7V, bias resistor
2.2K Reserved
2 VBAT PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V Module power supply
3 MIC_N I - Reserved

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Pin
Pin Name
I/O
Level
Description
4 GND G Ground
5 SPK_P O Reserved
6 NC - - NC
7 SPK_N O - Reserved
8 USIM_VDD PO
For 1.8V USIM:
Vmax=1.9V
Vmin=1.7V
For 3.0V USIM:
Vmax=3.05V
Vmin=2.7V
IOmax=50mA
(U)SIM power
9
GND
G
-
Ground
10 USIM_DATA IO
For 1.8V (U)SIM:
VILmax=0.6V
VIHmin=1.2V
VOLmax=0.45V
VOHmin=1.35V
For3.0V (U)SIM:
VILmax=1.0V
VIHmin=1.95V
VOLmax=0.45V
VOHmin=2.55V
(U)SIM data signal
11 VDD_EXT PO 1.8V Module digital level, 1.8V output,
80mA
12 USIM_CLK O
For 1.8V (U)SIM:
VOLmax=0.45V
VOHmin=1.35V
For3.0V (U)SIM:
VOLmax=0.45V
VOHmin=2.55V
(U)SIM clock signal
13
NC
-
-
NC
14 USIM_RST O
For 1.8V (U)SIM:
VOLmax=0.45V
VOHmin=1.35V
For 3.0V (U)SIM:
VOLmax=0.45V
VOHmin=2.55V
(U)SIM reset signal
15 GND G - Ground
16
NC
-
-
NC
17 NC - - NC
18
GND
G
-
Ground
19 WAKEUP_IN I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
External device wakeup module

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Pin
Pin Name
I/O
Level
Description
VIHmax=2.0V
20 W_DISABLE# I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
Module flight mode control
21 GND G - Ground
22 RESET_N I
VIHmax=2.0V
VIHmin=1.3V
VILmax=0.5V
Module reset signal
23 UART_RXD I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
Serial port receive data
24 VBAT PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V Module power supply
25 UART_RTS O
V
OL
max=0.45V
V
OH
min=1.35V
Request transmission
26 GND G - Ground
27
GND
G
-
Ground
28 DBG_UART_RX I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
DEBUG serial port receive data
29 GND G - Ground
30 UART_CTS I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
Clear transmission
31 UART_TXD O
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
Serial port data transmission
32 WAKEUP_OUT O 1.8V Module wake up external device
33 NC - - NC
34
GND
G
Ground
35 GND G Ground
36 USB_DM IO USB signal DM
37 GND G Ground
38 USB_DP IO USB signal -
39 VBAT PI
Vmax=4.3V
Module power supply

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Pin
Pin Name
I/O
Level
Description
Vmin=3.3V
Vnorm=3.8V
40 GND G - Ground
41 VBAT PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V Module power supply
42
NET_MODE
O
OC
Indicator signal
43 GND G - Ground
44
USIM_PRESENCE
I
1.8V
(U)SIM hot plug detection
45 PCM_CLK IO
VOLmax=0.45V
VOHmin=1.35V
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
PCM clock signal
46 DBG_UART_TX O
V
OL
max=0.45V
VOHmin=1.35V
DEBUG serial port transmission
47 PCM_OUT O
V
OL
max=0.45V
V
OH
min=1.35V
PCM data transmission
48
NC
-
-
Reserved
49 PCM_IN I
V
IL
min=-0.3V
VILmax=0.6V
VIHmin=1.2V
V
IH
max=2.0V
PCM data reception
50
GND
G
-
Ground
51 PCM_SYNC O
V
OL
max=0.45V
VOHmin=1.35V
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
V
IH
max=2.0V
PCM synchronization signal
52 VBAT PI
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Module power supply
Table 3-1 Pin Definition
Note:
Keep the unused pins floating.
3.2 Power
The power interfaces of module are shown in the following table.
Pin Name
I/O
Pin
Description
VBAT I 2,24,39,41,52 Module power supply, 3.3V ~ 4.3V,

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Pin Name
I/O
Pin
Description
nominal value 3.8V
VDD_EXT O 11 Voltage Output, 1.8V, 80mA
GND
-
4,9,15,18,21,26,27,29,34,35,37,40,43,50
Ground
Table 3-2 Power Interfaces
3.2.1Power supply
module needs to be powered by the VBAT pin. The power design is shown in Figure 3-2.
Figure 3-2 Power Design
Module power filter capacitor design is shown in the following table.
Recommended
capacitor
Application Description
220uF x 2 Regulating capacitor
Reduce power fluctuations during module operation,
requiring low ESR capacitor
LDO or DCDC power requires not less than
440uF capacitor
Battery power can be properly reduced to 100 ~
220uF capacitor
1uF,100nF Digital signal noise Filter clock and digital signal interference
39pF,33pF
700, 850/900 MHz
Filter low band radio frequency interference
18pF,8.2pF,6.8pF 1700/1800/1900,2100/2300,
2500/2600MHz Filter middle/high band radio frequency interference
Table 3-3 Power Filter Capacitor Design
The power stability ensures the normal operation of module. The design requires special attention to the
power ripple below 300mV(the circuit ESR < 100mΩ). When the module is operating in GSM mode (Burst

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transmit), the maximum operating current can reach 3A, and the power voltage needs to be at least 3.3V.
Otherwise, the module may power off or restart. The power limit is shown in Figure 3-3.
Burst transmit Burst transmit
min:3.3V
VBAT Ripple≤300mV
Drop
VBAT≥3.3V
Figure 3-3 Power Limit
3.2.21.8V Output
Module outputs a 1.8V voltage through the VDD_EXT for use of the internal digital circuit of the module.
The voltage is the logic level voltage of the module and can be used to indicate that the module is on or off,
or for external low current (<80mA) circuit. If it is not in use, keep it in floating status. The logic level of
VDD_EXT is defined as follows.
Parameter Minimum Typical Maximum Unit
VDD_EXT 1.71 1.8 1.89 V
Table 3-4 VDD_EXT Logic Level Definition
3.2.3Power Consumption
The power consumption of module in the case of 3.8V power supply is shown in the following table.
(Please send at+syscmd=start_pcm stop command to close codec founction)
Parameter Mode Condition
Average Current
Typ. (mA)
Ioff
Power off
Power supply, module power off
0.018
ISleep
GSM
MFRMS 2(USB Sleep)
≤2.6
MFRMS 5(USB Sleep)
≤2.6
MFRMS 9(USB Sleep)
≤2.6
WCDMA
DRX=6(USB Sleep)
≤3
DRX=7(USB Sleep)
≤3
DRX=8(USB Sleep)
≤3
DRX=9(USB Sleep)
≤3
LTE FDD
Paging cycle #64 frames (USB Sleep)
≤3
Paging cycle #128 frames (USB Sleep)
≤3
Paging cycle #256 frames (USB Sleep)
≤3