Quectel UG96 Supplement

UG96 Hardware Design
UMTS/HSPA Module Series
Rev. UG96_Hardware_Design_V1.6
Date: 2018-08-13
Status: Released
www.quectel.com

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About the Document
History
Revision
Date
Author
Description
1.0
2015-02-28
Tony GAO/
Cat WANG
Initial
1.1
2015-10-23
Felix YIN
1. Updated PCM interface information in Table 2.
2. Updated Figure 1.
3. Updated PCM application in Chapter 3.13.
4. Updated ESD values in Chapter 5.7.
1.2
2015-12-08
Felix YIN
1. Updated GPRS/EDGE data features-class33 in
Table 2.
2. Updated PCM timing in Chapter 3.13.
3. Updated current consumption values in
Chapter 5.4.
4. Updated GPRS multi-slot class in Chapter 10.
1.3
2017-05-24
Eden LIU
1. Updated notes of PCM and I2C interfaces in
Chapter 3.13.
2. Updated recommended footprint and stencil in
Chapter 6.
1.4
2017-12-21
Yeoman CHEN
Modified TVS parasitic capacitance which should be
less than 15pF for better performance in Chapter
3.11.
1.5
2018-01-12
Yeoman CHEN
Modified baking time and temperature of the
module in Chapter 7.1.
1.6
2018-08-13
Yeoman CHEN
1. Modified power down current consumption of
the module in Chapter 5.4.
2. Updated the reflow soldering thermal profile in
Chapter 7.2.

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Contents
About the Document...................................................................................................................................2
Contents.......................................................................................................................................................3
Table Index...................................................................................................................................................5
Figure Index.................................................................................................................................................6
1Introduction..........................................................................................................................................8
1.1. Safety Information......................................................................................................................9
2Product Concept................................................................................................................................10
2.1. General Description.................................................................................................................10
2.2. Key Features ........................................................................................................................... 11
2.3. Functional Diagram .................................................................................................................13
2.4. Evaluation Board .....................................................................................................................14
3Application Interfaces .......................................................................................................................15
3.1. General Description.................................................................................................................15
3.2. Pin Assignment........................................................................................................................16
3.3. Pin Description.........................................................................................................................17
3.4. Operating Modes.....................................................................................................................22
3.5. Power Saving...........................................................................................................................23
3.5.1. Sleep Mode....................................................................................................................23
3.5.1.1. UARTApplication.................................................................................................23
3.5.1.2. USBApplication with Suspend Function .............................................................24
3.5.1.3. USBApplication without Suspend Function........................................................25
3.5.2. Minimum Functionality Mode.........................................................................................26
3.6. Power Supply...........................................................................................................................26
3.6.1. Power Supply Pins.........................................................................................................26
3.6.2. Decrease Voltage Drop..................................................................................................27
3.6.3. Reference Design for Power Supply..............................................................................28
3.6.4. Monitor the Power Supply..............................................................................................29
3.7. Turn on and off Scenarios .......................................................................................................29
3.7.1. Turn on Module Using the PWRKEY.............................................................................29
3.7.2. Turn off Module..............................................................................................................30
3.7.2.1. Turn off Module UsingAT Command...................................................................31
3.7.2.2. Emergency Shutdown..........................................................................................31
3.7.2.3. Automatic Shutdown............................................................................................33
3.8. Reset the Module.....................................................................................................................34
3.9. RTC Interface ..........................................................................................................................35
3.10. UART Interface........................................................................................................................36
3.11. (U)SIM Interface ......................................................................................................................39
3.12. USB Interface ..........................................................................................................................41
3.13. PCM and I2C Interfaces..........................................................................................................43
3.14. Network Status Indication........................................................................................................46

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3.15. STATUS...................................................................................................................................47
4Antenna Interface...............................................................................................................................48
4.1. GSM/UMTS Antenna Interface................................................................................................48
4.1.1. Pin Definition..................................................................................................................48
4.1.2. Operating Frequency .....................................................................................................48
4.1.3. Reference Design of RF Antenna Interface...................................................................49
4.1.4. Reference Design of RF Layout.....................................................................................49
4.2. Antenna Installation.................................................................................................................51
4.2.1. Antenna Requirements ..................................................................................................51
4.2.2. Recommended RF Connector for Antenna Installation.................................................52
5Electrical, Reliability and Radio Characteristics............................................................................54
5.1. Absolute Maximum Ratings.....................................................................................................54
5.2. Power Supply Ratings.............................................................................................................54
5.3. Operation and Storage Temperatures.....................................................................................55
5.4. Current Consumption ..............................................................................................................55
5.5. RF Output Power.....................................................................................................................58
5.6. RF Receiving Sensitivity..........................................................................................................59
5.7. Electrostatic Discharge............................................................................................................60
6Mechanical Dimensions....................................................................................................................61
6.1. Mechanical Dimensions of the Module....................................................................................61
6.2. Recommended Footprint Design.............................................................................................63
6.3. Top and Bottom Views of the Module......................................................................................64
7Storage, Manufacturing and Packaging..........................................................................................65
7.1. Storage.....................................................................................................................................65
7.2. Manufacturing and Soldering ..................................................................................................66
7.3. Packaging................................................................................................................................67
8Appendix A References.....................................................................................................................69
9Appendix B GPRS Coding Schemes ...............................................................................................73
10 Appendix C GPRS Multi-slot Classes..............................................................................................74
11 Appendix D EDGE Modulation and Coding Schemes ...................................................................76

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Table Index
TABLE 1: FREQUENCY BANDS OF UG96 MODULE...................................................................................... 10
TABLE 2: KEY FEATURES OF UG96 MODULE ...............................................................................................11
TABLE 3: I/O PARAMETERS DEFINITION....................................................................................................... 17
TABLE 4: PIN DESCRIPTION........................................................................................................................... 17
TABLE 5: OVERVIEW OF OPERATING MODES............................................................................................. 22
TABLE 6: VBAT AND GND PINS....................................................................................................................... 26
TABLE 7: PIN DEFINITION OF PWRKEY ........................................................................................................ 29
TABLE 8: PIN DEFINITION OF PWRDWN_N .................................................................................................. 32
TABLE 9: PIN DEFINITION OF RESET_N ....................................................................................................... 34
TABLE 10: PIN DEFINITION OF MAIN UART INTERFACE............................................................................. 37
TABLE 11: LOGIC LEVELS OF DIGITAL I/O .................................................................................................... 37
TABLE 12: PIN DEFINITION OF (U)SIM INTERFACE ..................................................................................... 39
TABLE 13: PIN DEFINITION OF USB INTERFACE ......................................................................................... 42
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES....................................................................... 44
TABLE 15: PIN DEFINITION OF NETLIGHT.................................................................................................... 46
TABLE 16: WORKING STATE OF NETLIGHT.................................................................................................. 46
TABLE 17: PIN DEFINITION OF STATUS ........................................................................................................ 47
TABLE 18: PIN DEFINITION OF RF ANTENNA............................................................................................... 48
TABLE 19: MODULE OPERATING FREQUENCIES........................................................................................ 48
TABLE 20: ANTENNA CABLE REQUIREMENTS............................................................................................. 51
TABLE 21: ANTENNA REQUIREMENTS.......................................................................................................... 52
TABLE 22: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 54
TABLE 23: POWER SUPPLY RATINGS........................................................................................................... 54
TABLE 24: OPERATION AND STORAGE TEMPERATURES.......................................................................... 55
TABLE 25: CURRENT CONSUMPTION........................................................................................................... 56
TABLE 26: RF OUTPUT POWER ..................................................................................................................... 59
TABLE 27: CONDUCTED RF RECEIVING SENSITIVITY................................................................................ 59
TABLE 28: ELECTROSTATIC DISCHARGE CHARACTERISTICS ................................................................. 60
TABLE 29: REEL PACKING .............................................................................................................................. 68
TABLE 30: RELATED DOCUMENTS................................................................................................................ 69
TABLE 31: TERMS AND ABBREVIATIONS...................................................................................................... 69
TABLE 32: DESCRIPTION OF DIFFERENT CODING SCHEMES.................................................................. 73
TABLE 33: GPRS MULTI-SLOT CLASSES ...................................................................................................... 74
TABLE 34: EDGE MODULATION AND CODING SCHEMES........................................................................... 76

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Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 14
FIGURE 2: PIN ASSIGNMENT (TOP VIEW).................................................................................................... 16
FIGURE 3: SLEEP MODE APPLICATION VIA UART....................................................................................... 24
FIGURE 4: USB APPLICATION WITH SUSPEND FUNCTION........................................................................ 25
FIGURE 5: SLEEP MODE APPLICATION WITHOUT SUSPEND FUNCTION................................................ 25
FIGURE 6: VOLTAGE DROP DURING BURST TRANSMISSION ................................................................... 27
FIGURE 7: STAR STRUCTURE OF THE POWER SUPPLY............................................................................ 28
FIGURE 8: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 28
FIGURE 9: TURN ON THE MODULE USING DRIVING CIRCUIT................................................................... 29
FIGURE 10: TURN ON THE MODULE USING KEYSTROKE ......................................................................... 30
FIGURE 11: TIMING OF TURNING ON MODULE ........................................................................................... 30
FIGURE 12: TIMING OF TURNING OFF THROUGH AT COMMAND ............................................................. 31
FIGURE 13: TURN OFF THE MODULE USING DRIVING CIRCUIT............................................................... 32
FIGURE 14: TURN OFF THE MODULE USING KEYSTROKE........................................................................ 32
FIGURE 15: TIMING OF EMERGENCY SHUTDOWN..................................................................................... 33
FIGURE 16: REFERENCE CIRCUIT OF RESET_N BY USING DRIVING CIRCUIT ...................................... 34
FIGURE 17: REFERENCE CIRCUIT OF RESET_N BY USING BUTTON ...................................................... 35
FIGURE 18: TIMING OF RESETTING MODULE ............................................................................................. 35
FIGURE 19: RTC SUPPLY FROM CAPACITOR .............................................................................................. 36
FIGURE 20: REFERENCE CIRCUIT OF LOGIC LEVEL TRANSLATOR......................................................... 38
FIGURE 21: REFERENCE CIRCUIT WITH TRANSISTOR CIRCUIT.............................................................. 38
FIGURE 22: RS232 LEVEL MATCH CIRCUIT.................................................................................................. 39
FIGURE 23: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH AN 8-PIN (U)SIM CARD CONNECTOR
................................................................................................................................................................... 40
FIGURE 24: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH A 6-PIN (U)SIM CARD CONNECTOR. 41
FIGURE 25: REFERENCE CIRCUIT OF USB INTERFACE ............................................................................ 42
FIGURE 26: TEST POINTS OF FIRMWARE UPGRADE................................................................................. 43
FIGURE 27: PCM MASTER MODE TIMING..................................................................................................... 44
FIGURE 28: REFERENCE CIRCUIT OF PCM MASTER MODE APPLICATION WITH AUDIO CODEC........ 45
FIGURE 29: REFERENCE CIRCUIT OF PCM SLAVE MODE APPLICATION WITH AUDIO CODEC............ 45
FIGURE 30: REFERENCE CIRCUIT OF THE NETWORK STATUS INDICATOR........................................... 46
FIGURE 31: REFERENCE CIRCUIT OF STATUS ........................................................................................... 47
FIGURE 32: REFERENCE CIRCUIT OF RF ANTENNA INTERFACE............................................................. 49
FIGURE 33: MICROSTRIP LINE DESIGN ON A 2-LAYER PCB...................................................................... 50
FIGURE 34: COPLANAR WAVEGUIDE LINE DESIGN ON A 2-LAYER PCB.................................................. 50
FIGURE 35: COPLANAR WAVEGUIDE LINE DESIGN ON A 4-LAYER PCB (LAYER 3 AS REFERENCE
GROUND).................................................................................................................................................. 50
FIGURE 36: COPLANAR WAVEGUIDE LINE DESIGN ON A 4-LAYER PCB (LAYER 4 AS REFERENCE
GROUND).................................................................................................................................................. 51
FIGURE 37: DIMENSIONS OF THE U.FL-R-SMT CONNECTOR (UNIT: MM)................................................ 52
FIGURE 38: MECHANICALS OF U.FL-LP CONNECTORS............................................................................. 53

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FIGURE 39: SPACE FACTOR OF MATED CONNECTOR (UNIT: MM) ........................................................... 53
FIGURE 40: MODULE TOP AND SIDE DIMENSIONS..................................................................................... 61
FIGURE 41: MODULE BOTTOM DIMENSIONS (TOP VIEW) ......................................................................... 62
FIGURE 42: RECOMMENDED FOOTPRINT (TOP VIEW).............................................................................. 63
FIGURE 43: TOP VIEW OF THE MODULE...................................................................................................... 64
FIGURE 44: BOTTOM VIEW OF THE MODULE.............................................................................................. 64
FIGURE 45: REFLOW SOLDERING THERMAL PROFILE.............................................................................. 66
FIGURE 46: TAPE DIMENSIONS..................................................................................................................... 67
FIGURE 47: REEL DIMENSIONS..................................................................................................................... 68

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1Introduction
This document defines the UG96 module and describes its air interface and hardware interface which are
connected with customers’ applications.
This document can help customers quickly understand module interface specifications, electrical and
mechanical details, as well as other related information of UG96 module. Associated with application note
and user guide, customers can use UG96 module to design and set up mobile applications easily.

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1.1. Safety Information
The following safety precautions must be observed during all phases of operation, such as usage, service
or repair of any cellular terminal or mobile incorporating UG96 module. Manufacturers of the cellular
terminal should send the following safety information to users and operating personnel and incorporate
these guidelines into all manuals supplied with the product. If not so, Quectel assumes no liability for
customers’ failure to comply with these precautions.
Full attention must be given to driving at all times in order to reduce the risk of an
accident. Using a mobile while driving (even with a handsfree kit) causes
distraction and can lead to an accident. Please comply with laws and regulations
restricting the use of wireless devices while driving.
Switch off the cellular terminal or mobile before boarding an aircraft. The operation
of wireless appliances in an aircraft is forbidden to prevent interference with
communication systems. If the device offers an Airplane Mode, then it should be
enabled prior to boarding an aircraft. Please consult the airline staff for more
restrictions on the use of wireless devices on boarding the aircraft.
Wireless devices may cause interference on sensitive medical equipment, so
please be aware of the restrictions on the use of wireless devices when in
hospitals, clinics or other healthcare facilities.
Cellular terminals or mobiles operating over radio signals and cellular network
cannot be guaranteed to connect in all possible conditions (for example, with
unpaid bills or with an invalid (U)SIM card). When emergent help is needed in such
conditions, please remember using emergency call. In order to make or receive a
call, the cellular terminal or mobile must be switched on in a service area with
adequate cellular signal strength.
The cellular terminal or mobile contains a transmitter and receiver. When it is ON, it
receives and transmits radio frequency signals. RF interference can occur if it is
used close to TV set, radio, computer or other electric equipment.
In locations with potentially explosive atmospheres, obey all posted signs to turn
off wireless devices such as your phone or other cellular terminals. Areas with
potentially explosive atmospheres include fueling areas, below decks on boats,
fuel or chemical transfer or storage facilities, areas where the air contains
chemicals or particles such as grain, dust or metal powders, etc.

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2Product Concept
2.1. General Description
UG96 module is an embedded 3G wireless communication module, supports GSM/GPRS/EDGE and
UMTS/HSDPA/HSUPA networks. It can also provide voice functionality1) for customers’ specific
applications. UG96 offers a maximum data rate of 7.2Mbps on downlink and 5.76Mbps on uplink in HSPA
mode. GPRS supports the coding schemes CS-1, CS-2, CS-3 and CS-4. EDGE supports CS1-4 and
MCS1-9 coding schemes. The following table shows the frequency bands of UG96 module.
Table 1: Frequency Bands of UG96 Module
Module
GSM
850
EGSM
900
DCS
1800
PCS
1900
UMTS
800
UMTS
850
UMTS
900
UMTS
1900
UMTS
2100
UG96
√
√
√
√
√
√
√
√
√
1) UG96 module includes Data-only and Telematics versions. Data-only version does not support voice
function while Telematics version supports it.
More details about GPRS/EDGE multi-slot configuration and coding schemes, please refer to Appendix
B, C and D.
With a compact profile of 26.5mm ×22.5mm ×2.2mm, UG96 can meet almost all requirements for M2M
applications such as wireless POS, metering, telematics, security, industry PDA/PC and tablet, etc.
UG96 is an SMD type module, which can be embedded in application through its 102 LGA pads.
UG96 is integrated with internet service protocols like TCP, UDP and PPP. Extended AT commands have
been developed for customers to use these internet service protocols easily.
NOTE

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2.2. Key Features
The following table describes the detailed features of UG96 module.
Table 2: Key Features of UG96 Module
Feature
Details
Power Supply
Supply voltage: 3.3V~4.3V
Typical supply voltage: 3.8V
Frequency Bands
GSM 4-band: 850/900/1800/1900MHz
UMTS 5-band: 800/850/900/1900/2100MHz
Transmission Data
HSDPA category 8: Max 7.2Mbps
HSUPA category 6: Max 5.76Mbps
UMTS: Max 384kbps (DL)/Max 384kbps (UL)
EDGE: Max 296kbps (DL)/Max 236.8kbps (UL)
GPRS: Max 107kbps (DL)/Max 85.6kbps (UL)
CSD: 14.4kbps
Transmitting Power
Class 4 (33dBm±2dB) for GSM850 and EGSM900
Class 1 (30dBm±2dB) for DCS1800 and PCS1900
Class E2 (27dBm±3dB) for GSM850 and EGSM900 8-PSK
Class E2 (26dBm±3dB) for DCS1800 and PCS1900 8-PSK
Class 3 (24dBm+1.7/-3.7dB) for UMTS 800/850/900/1900/2100
HSPA/UMTS Features
Compliant with 3GPP Release 7
WCDMAdata rate is corresponded with 3GPP R99/R4
384kbps on downlink and 384kbps on uplink
Support both QPSK and 16-QAM modulation
GSM/GPRS/EDGE
Data Features
GPRS:
Support GPRS multi-slot class 33
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Maximum of four Rx time slots per frame
EDGE:
Support EDGE multi-slot class 33
Support GMSK and 8-PSK for different MCS (Modulation and Coding
Scheme)
Downlink coding schemes: CS 1-4 and MCS 1-9
Uplink coding schemes: CS 1-4 and MCS 1-9
CSD:
CSD transmission rates: 14.4kbps non-transparent
Support Unstructured Supplementary Services Data (USSD)
Internet Protocol Features
Support TCP/UDP/PPP/MMS/HTTP/HTTPS/SMTP/SMTPS/FTP/NTP/
NITZ/PING/SSL protocols

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Support the protocols PAP (Password Authentication Protocol) and
CHAP (Challenge Handshake Authentication Protocol) usually used
for PPP connections
SMS
Text and PDU mode
Point-to-point MO and MT
SMS cell broadcast
SMS storage: (U)SIM card by default
(U)SIM Interface
Support (U)SIM card: 1.8V, 3.0V
PCM Interface
Used for audio function with external codec
Support 16/32-bit modes with short frame synchronization
Support master and slave modes
UART Interface
Support one UART interface
⚫7-wire on UART interface, without DSR
⚫Support RTS and CTS hardware flow control
⚫Baud rate: 300bps to 921600bps
⚫Default autobauding: 4800bps to 115200bps
⚫Used for data transmission, AT command communication and
firmware upgrade
⚫Multiplexing function
USB Interface
Compliant with USB 1.1/2.0 specification (slave only), the data transfer
rate can reach up to 480Mbps
Used for AT command communication, data transmission, software
debugging and firmware upgrade
Support USB drivers for Windows XP, Windows Vista,
Windows 7/8/8.1/10, Linux 2.6/3.x/4.1, Android 4.x/5.x/6.0
AT Commands
Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT
commands
Real Time Clock
Supported
Network Indication
One pin NETLIGHT to indicate network status
Antenna Interface
GSM/UMTS antenna, 50Ω
Physical Characteristics
Size: (22.5±0.15)mm × (26.5±0.15)mm × (2.2±0.2)mm
Package: LGA
Weight: approx. 3.1g
Temperature Range
Operation temperature range: -35°C ~ +75°C 1)
Extended temperature range: -40°C ~ +85°C 2)
Storage temperature range: -40°C ~ +90°C
Firmware Upgrade
USB interface or UART interface
RoHS
All hardware components are fully compliant with EU RoHS directive

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1. 1) Within operating temperature range, the module is 3GPP compliant.
2. 2) Within extended temperature range, the module remains the ability to establish and maintain a
voice, SMS, data transmission, emergency call, etc. There is no unrecoverable malfunction. There
are also no effects on radio spectrum and no harm to radio network. Only one or more parameters
like Pout might reduce in their value and exceed the specified tolerances. When the temperature
returns to normal operating temperature levels, the module will meet 3GPP specifications again.
2.3. Functional Diagram
The following figure shows a block diagram of UG96 and illustrates the major functional parts.
⚫RF transceiver
⚫Baseband
⚫DDR+NAND flash
⚫Radio frequency
⚫Peripheral interfaces
—UART interface
—(U)SIM interface
—USB interface
—PCM interface
—I2C interface
—Status indication
—Power control interface
NOTES

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PWRKEY
RESET_N
32KHz
PMU
Baseband
MCP
RF_ANT
(U)SIM
STATUS
UART
VBAT_BB
USB
VBAT_RF
B1
VDD_EXT
VRTC
Nand+DDR
PWRDWN_N
RF
Transceiver
NETLIGHT
26MHz
XO
B2/PCS1900
GSM TX LB
Duplexer
PCM
PMU
Reset
I2C
PA
ASM
B5/B6/GSM850
B8/GSM900
DC/DC
B1
B2
B5/B6
B8
PM_HPM_L
GSM TX HB
DCS1800
Figure 1: Functional Diagram
2.4. Evaluation Board
In order to help customers, develop applications conveniently with UG96, Quectel supplies an evaluation
board (UMTS&LTE EVB), RS-232 to USB cable, USB data cable, power adapter, earphone, antenna and
other peripherals to control or test the module. For details, please refer to document [2].

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3Application Interfaces
3.1. General Description
UG96 is equipped with 62-pin 1.1mm pitch SMT pads plus 40-pin ground/reserved pads that can be
connected to customers’cellular application platforms. Sub-interfaces included in these pads are
described in detail in the following chapters:
⚫Power supply
⚫RTC interface
⚫UART interface
⚫(U)SIM interface
⚫USB interface
⚫PCM and I2C interfaces
⚫Status indication

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3.2. Pin Assignment
The following figure shows the pin assignment of UG96 module.
RESERVED
PCM_SYNC
PCM_CLK
PCM_DIN
PCM_DOUT
RESERVED
RESERVED
PWRKEY
PWRDWN_N
RESET_N
RESERVED
1
2
3
4
5
6
7
11
12
13
14
15
16
17
18
50 51 52 53 54
55
58 59 60 61 62
USB_DM
AP_READY
STATUS
NETLIGHT
RESERVED
RESERVED
RESERVED
CLK_OUT
RESERVED
RESERVED
RESERVED
VDD_EXT
DTR
GND
USIM_CLK
USIM_DATA
USIM_RST
USIM_VDD
RI
DCD
CTS
TXD
RXD
VBAT_BB
VBAT_BB
USIM_GND
GND
RESERVED
31 30 29 28 27 26 23 22 21 20 19
10
9
USB_DP
USB_VBUS
RESERVED
GND
RESERVED
RESERVED
RTS
I2C_SCL
I2C_SDA
8
49
48
47
46
45
44
43
40
41
42
39
38
37
36
35
34
33
32
24 57
56
GND
GND
RF_ANT
GND GND
RESERVED
VBAT_RF
VBAT_RF
GND
GND
RESERVED
VRTC
GND
USIM_PRESENCE
63
64
65
66
67
68
83
84
85
86
87
88
98
97
96
95
94
93
78
77
76
75
74
73
91 92
89 90
71 72
69 70
80 79
82 81
100 99
102 101
POWER USB UART (U)SIM OTHERS
GND RESERVED PCM ANT
25
Figure 2: Pin Assignment (Top View)
1. Keep all RESERVED and unused pins unconnected.
2. GND pads should be connected to ground in the design.
NOTES

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3.3. Pin Description
The following tables show the pin definition of UG96 module.
Table 3: I/O Parameters Definition
Type
Description
IO
Bidirectional
DI
Digital input
DO
Digital output
PI
Power input
PO
Power output
AI
Analog input
AO
Analog output
OD
Open drain
Table 4: Pin Description
Power Supply
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VBAT_BB
32, 33
PI
Power supply for
module’s baseband
part
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
It must be able to
provide sufficient
current in a transmitting
burst which typically
rises to 2.0A.
VBAT_RF
52, 53
PI
Power supply for
module’s RF part
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
VRTC
51
PI/
PO
Power supply for
internal RTC circuit
Vnorm=1.8V when
VBAT≥3.3V
VI=1V~1.9V at
IINmax=2uA when
VBAT is not applied.
If unused, keep it open.
VDD_EXT
29
PO
Provide 1.8V for
external circuit
Vnorm=1.8V
IOmax=20mA
Power supply for
external GPIO’s pull up
circuits.

UMTS/HSPA Module Series
UG96 Hardware Design
UG96_Hardware_Design 18 / 76
If unused, keep it open.
GND
3, 31, 48,
50, 54, 55,
58, 59, 61,
62, 67~74,
79~82,
89~91,
100~102
Ground
Turn On/Off
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
PWRKEY
15
DI
Turn on the module
RPU≈200KΩ
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
Pull-up to VRTC
internally.
Active low.
PWRDWN_N
16
DI
Turn off the module
RPU≈4.7KΩ
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
Pull-up to VRTC
internally.
Active low.
If unused, keep it
open.
RESET_N
17
DI
Reset signal of the
module
RPU≈200KΩ
VIHmax=2.1V
VIHmin=1.3V
VILmax=0.5V
Pull-up to VRTC
internally.
Active low.
If unused, keep it
open.
Status Indication
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
STATUS
20
DO
Indicate the module
operating status
VOHmin=1.3V
VOLmax=0.5V
1.8V power domain.
If unused, keep it
open.
NETLIGHT
21
DO
Indicate the module
network status
VOHmin=1.3V
VOLmax=0.5V
1.8V power domain.
If unused, keep it
open.
USB Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
USB_VBUS
8
PI
USB detection
Vmax=5.25V
Vmin=2.5V
Vnorm=5.0V
USB_DP
9
IO
USB differential data
Compliant with USB
Require differential

UMTS/HSPA Module Series
UG96 Hardware Design
UG96_Hardware_Design 19 / 76
bus (+)
2.0 standard
specification.
impedance of 90Ω.
USB_DM
10
IO
USB differential data
bus (-)
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90Ω.
(U)SIM Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
USIM_GND
47
Specified ground for
(U)SIM card
USIM_VDD
43
PO
Power supply for
(U)SIM card
For 1.8V (U)SIM:
Vmax=1.85V
Vmin=1.75V
For 3.0V (U)SIM:
Vmax=2.9V
Vmin=2.8V
Either 1.8V or 3.0V is
supported by the
module automatically.
USIM_DATA
45
IO
Data signal of
(U)SIM card
For 1.8V (U)SIM:
VILmax=0.35V
VIHmin=1.25V
VOLmax=0.25V
VOHmin=1.25V
For 3.0V (U)SIM:
VILmax=0.5V
VIHmin=2.05V
VOLmax=0.25V
VOHmin=2.05V
Pull-up to USIM_VDD
with 4.7K resistor
internally.
USIM_CLK
46
DO
Clock signal of
(U)SIM card
For 1.8V (U)SIM:
VOLmax=0.25V
VOHmin=1.25V
For 3.0V (U)SIM:
VOLmax=0.25V
VOHmin=2.05V
USIM_RST
44
DO
Reset signal of
(U)SIM card
For 1.8V (U)SIM:
VOLmax=0.25V
VOHmin=1.25V
For 3.0V (U)SIM:
VOLmax=0.3V
VOHmin=2.05V